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submitted by QueletteBasta9 to CopyOp [link] [comments]

Facebook Connect / Quest 2 - Speculations Megathread

EDIT: MAJOR UPDATE AT BOTTOM
Welcome to the "Speculations" mega thread for the device possibly upcoming in the Oculus Quest line-up. This thread will be a compilation of leaks, speculation & rumors updated as new information comes out.
Let's have some fun and go over some of the leaks, rumors, speculation all upcoming before Facebook Connect, we'll have a full mega thread going during Connect, but this should be a great thread for remembrance afterward.
Facebook Connect is happening September 16th at 10 AM PST, more information can be found here.

Leaks
In March, Facebook’s public Developer Documentation website started displaying a new device called ‘Del Mar’, with a ‘First Access’ program for developers.
In May, we got the speculated specs, based off the May Bloomberg Report (Original Paywall Link)
• “at least 90Hz” refresh rate
• 10% to 15% smaller than the current Quest
• around 20% lighter
• “the removal of the fabric from the sides and replacing it with more plastic”
• “changing the materials used in the straps to be more elastic than the rubber and velcro currently used”
• “a redesigned controller that is more comfortable and fixes a problem with the existing controller”

On top of that, the "Jedi Controller" drivers leaked, which are now assumed to be V3 Touch Controllers for the upcoming device.
The IMUs seem significantly improved & the reference to a 60Hz (vs 30hz) also seems to imply improved tracking.
It's also said to perhaps have improved haptics & analog finger sensing instead of binary/digital.
Now as of more recent months, we had the below leaks.
Render (1), (2)
Walking Cat seems to believe the device is called "Quest 2", unfortunately since then, his twitter has been taken down.
Real-life pre-release model photos
Possible IPD Adjustment
From these photos and details we can discern that:
Further features speculation based on firmware digging (thanks Reggy04 from the VR Discord for quite a few of these), as well as other sources, all linked.

Additional Sources: 1/2/3/4
Headset Codenames
We've seen a few codenames going around at this point, Reggy04 provided this screenshot that shows the following new codenames.
Pricing Rumors
So far, the most prevalent pricing we've seen is 299 for 64gb, and 399 for 256GB
These were shown by a Walmart page for Point Reyes with a release date of September 16 and a Target price leak with a street date of October 13th

Speculation
What is this headset?
Speculation so far is this headset is a Quest S or Quest 2
OR
This is a flat-out cheaper-to-manufacture, small upgrade to the Oculus Quest to keep up with demand and to iterate the design slowly.
Again, This is all speculation, nothing is confirmed or set in stone.
What do you think this is and what we'll see at FB Connect? Let's talk!
Rather chat live? Join us on the VR Discord
EDIT: MAJOR UPDATE - Leaked Videos.
6GB of RAM, XR2 Platform, "almost 4k display" (nearly 2k per eye) Source
I am mirroring all the videos in case they get pulled down.
Mirrors: Oculus Hand Tracking , Oculus Casting, Health and Safety, Quest 2 Instructions, Inside the Upgrade
submitted by charliefrench2oo8 to OculusQuest [link] [comments]

Allow me to explain how traditional game "patching" as on consoles and even PC by game developers is not always required for games to run better on Stadia over time... Stadia engineers can do it on their own to ever improve the visual quality of individual library titles.

I've been mulling over how to write this post without it getting too wordy and just turn people away from the topic... but I feel it's important for people to consider in regards to investing in game purchases on Stadia. Even though a years-old game is ported to Stadia by a 3rd party publisher, it is not abandoned by that developer after game engine code changes are required... at that point the Stadia team can take over tweaking the performance of the game as the Linux OS Kernel / Vulkan API / eventually hardware undergo improvements over time.
I've seen heated comments/reactions in these parts when people start noticing older games suddenly looking or performing better... even though there is no sign of a game patch from the developer or announcement that such a thing has happened. (FFXV.) I'm hear to explain how this is totally possible.
(Disclaimer: I've been a gaming platform tester for 13 years, a platform based from GenToo Linux Kernel. This year I have just branched directly into OS Kernel / Package testing itself.)
A software package / game is made up of not only game code and pretty graphics. Another fairly big piece of the puzzle is configuration files. Especially in the Linux world. Another thing about Linux is it never sits still. It's open source and ever growing and improving through constant iteration by engineers around the world. This includes the Vulkan API itself. Stadia's platform and Vulkan API has likely undergone dozens if not hundreds of iterations in the past year alone. It is CONSTANTLY improving, even if ever so slightly.
For comparison, a gaming console is a completely sealed environment. Not only does the hardware never change, but the OS and base Platform has very little wiggle room for improvement. Most significant improvements will happen within the first few years of a new console's life. But often the gains from that never spill over into the games themselves... but rather the Platform's UI interface and menu's, such as adding new features outside of the game. For things to change about a game at all, a patch MUST be delivered to the console. There is no other option, because the config files of individual games can't be touched in any other way.
On PC you often have access to these config files (at the devoloper's discretion of what they choose to expose of course). Many people know of how you can start digging into these settings and adjust number values and flip on/off flags to affect your game. But these configuration files have default values set by the developers that are expected to never really be touched by the players... so even when they do want to change something for the benefit of everyone, they need to issue a game patch.
Now on a Cloud platform such as Stadia, when a game is delivered by a developer to the platform, of course their game engine code (binaries) cannot be altered by anyone but the game developer themselves as usual... so if there is bugs in code, or game engine code improvements that can be done, the developer must deploy a game patch to make these changes, as we have seen and people would expect. However the configuration files which define how the game performs on the platform's hardware are completely exposed... and this is what the Stadia team most likely has FULL control over. So if the Vulkan API gets some improvements or code optimizations, and they can squeeze a little bit more performance out of the game, the Stadia team can go into these config files and adjust things accordingly.
Not only configurations but also the graphical assets themselves (media) can be swapped with more high-rez assets as well. Its also very possible that the publishers/devs provide Stadia with multiple different versions of quality of their media. Some higher rez textures that can be swapped in if the platform is optimized enough to handle them, etc.
Why would the Stadia team take on the management of all the games in such a way? Because it's absolutely in their best interest too. This is also a big favor towards the game publisher as well... Stadia does work to improve the game ultimately generating better reception and sales of these games producing revenue for both Stadia and the publisher.
Cloud platforms are a new animal in the gaming world. How the games are maintained over time can be done very differently than what we are used to with console and PC.
So naturally this turned into a wall of text but I couldn't do it any other way... some things simply need to be explained as clearly as possible to get across.
ltdr: As Stadia platform / Vulkan API improve constantly over time, Stadia engineers can tweak the configurations of ANY game to make them look/run better without the developers needing to be involved and patch the games.
submitted by Z3M0G to Stadia [link] [comments]

Some minor, but really neat secrets of the Game Gear Micro.

https://game.watch.impress.co.jp/docs/interview/1277947.html
This comes from an interview with Yousuke Okunari from Sega and M2 staff members in a Game Watch article. The interview's in Japanese, but the really interesting stuff can be easily read via Google Translate. The most interesting stuff:
Other random details:
For what's essentially a novelty toy that isn't leaving Japan, M2 sure did go above and beyond here, as far as emulation and features are concerned.
submitted by LookAReauBoat to SEGA [link] [comments]

Red Hat OpenShift Container Platform Instruction Manual for Windows Powershell

Introduction to the manual
This manual is made to guide you step by step in setting up an OpenShift cloud environment on your own device. It will tell you what needs to be done, when it needs to be done, what you will be doing and why you will be doing it, all in one convenient manual that is made for Windows users. Although if you'd want to try it on Linux or MacOS we did add the commands necesary to get the CodeReady Containers to run on your operating system. Be warned however there are some system requirements that are necessary to run the CodeReady Containers that we will be using. These requirements are specified within chapter Minimum system requirements.
This manual is written for everyone with an interest in the Red Hat OpenShift Container Platform and has at least a basic understanding of the command line within PowerShell on Windows. Even though it is possible to use most of the manual for Linux or MacOS we will focus on how to do this within Windows.
If you follow this manual you will be able to do the following items by yourself:
● Installing the CodeReady Containers
● Updating OpenShift
● Configuring a CodeReady Container
● Configuring the DNS
● Accessing the OpenShift cluster
● Deploying the Mediawiki application
What is the OpenShift Container platform?
Red Hat OpenShift is a cloud development Platform as a Service (PaaS). It enables developers to develop and deploy their applications on a cloud infrastructure. It is based on the Kubernetes platform and is widely used by developers and IT operations worldwide. The OpenShift Container platform makes use of CodeReady Containers. CodeReady Containers are pre-configured containers that can be used for developing and testing purposes. There are also CodeReady Workspaces, these workspaces are used to provide any member of the development or IT team with a consistent, secure, and zero-configuration development environment.
The OpenShift Container Platform is widely used because it helps the programmers and developers make their application faster because of CodeReady Containers and CodeReady Workspaces and it also allows them to test their application in the same environment. One of the advantages provided by OpenShift is the efficient container orchestration. This allows for faster container provisioning, deploying and management. It does this by streamlining and automating the automation process.
What knowledge is required or recommended to proceed with the installation?
To be able to follow this manual some knowledge is mandatory, because most of the commands are done within the Command Line interface it is necessary to know how it works and how you can browse through files/folders. If you either don’t have this basic knowledge or have trouble with the basic Command Line Interface commands from PowerShell, then a cheat sheet might offer some help. We recommend the following cheat sheet for windows:
Https://www.sans.org/security-resources/sec560/windows\_command\_line\_sheet\_v1.pdf
Another option is to read through the operating system’s documentation or introduction guides. Though the documentation can be overwhelming by the sheer amount of commands.
Microsoft: https://docs.microsoft.com/en-us/windows-serveadministration/windows-commands/windows-commands
MacOS
Https://www.makeuseof.com/tag/mac-terminal-commands-cheat-sheet/
Linux
https://ubuntu.com/tutorials/command-line-for-beginners#2-a-brief-history-lesson https://www.guru99.com/linux-commands-cheat-sheet.html
http://cc.iiti.ac.in/docs/linuxcommands.pdf
Aside from the required knowledge there are also some things that can be helpful to know just to make the use of OpenShift a bit simpler. This consists of some general knowledge on PaaS like Dockers and Kubernetes.
Docker https://www.docker.com/
Kubernetes https://kubernetes.io/

System requirements

Minimum System requirements

The minimum system requirements for the Red Hat OpenShift CodeReady Containers has the following minimum hardware:
Hardware requirements
Code Ready Containers requires the following system resources:
● 4 virtual CPU’s
● 9 GB of free random-access memory
● 35 GB of storage space
● Physical CPU with Hyper-V (intel) or SVM mode (AMD) this has to be enabled in the bios
Software requirements
The minimum system requirements for the Red Hat OpenShift CodeReady Containers has the following minimum operating system requirements:
Microsoft Windows
On Microsoft Windows, the Red Hat OpenShift CodeReady Containers requires the Windows 10 Pro Fall Creators Update (version 1709) or newer. CodeReady Containers does not work on earlier versions or other editions of Microsoft Windows. Microsoft Windows 10 Home Edition is not supported.
macOS
On macOS, the Red Hat OpenShift CodeReady Containers requires macOS 10.12 Sierra or newer.
Linux
On Linux, the Red Hat OpenShift CodeReady Containers is only supported on Red Hat Enterprise Linux/CentOS 7.5 or newer and on the latest two stable Fedora releases.
When using Red Hat Enterprise Linux, the machine running CodeReady Containers must be registered with the Red Hat Customer Portal.
Ubuntu 18.04 LTS or newer and Debian 10 or newer are not officially supported and may require manual set up of the host machine.

Required additional software packages for Linux

The CodeReady Containers on Linux require the libvirt and Network Manager packages to run. Consult the following table to find the command used to install these packages for your Linux distribution:
Table 1.1 Package installation commands by distribution
Linux Distribution Installation command
Fedora Sudo dnf install NetworkManager
Red Hat Enterprise Linux/CentOS Su -c 'yum install NetworkManager'
Debian/Ubuntu Sudo apt install qemu-kvm libvirt-daemonlibvirt-daemon-system network-manage

Installation

Getting started with the installation

To install CodeReady Containers a few steps must be undertaken. Because an OpenShift account is necessary to use the application this will be the first step. An account can be made on “https://www.openshift.com/”, where you need to press login and after that select the option “Create one now”
After making an account the next step is to download the latest release of CodeReady Containers and the pulled secret on “https://cloud.redhat.com/openshift/install/crc/installer-provisioned”. Make sure to download the version corresponding to your platform and/or operating system. After downloading the right version, the contents have to be extracted from the archive to a location in your $PATH. The pulled secret should be saved because it is needed later.
The command line interface has to be opened before we can continue with the installation. For windows we will use PowerShell. All the commands we use during the installation procedure of this guide are going to be done in this command line interface unless stated otherwise. To be able to run the commands within the command line interface, use the command line interface to go to the location in your $PATH where you extracted the CodeReady zip.
If you have installed an outdated version and you wish to update, then you can delete the existing CodeReady Containers virtual machine with the $crc delete command. After deleting the container, you must replace the old crc binary with a newly downloaded binary of the latest release.
C:\Users\[username]\$PATH>crc delete 
When you have done the previous steps please confirm that the correct and up to date crc binary is in use by checking it with the $crc version command, this should provide you with the version that is currently installed.
C:\Users\[username]\$PATH>crc version 
To set up the host operating system for the CodeReady Containers virtual machine you have to run the $crc setup command. After running crc setup, crc start will create a minimal OpenShift 4 cluster in the folder where the executable is located.
C:\Users\[username]>crc setup 

Setting up CodeReady Containers

Now we need to set up the new CodeReady Containers release with the $crc setup command. This command will perform the operations necessary to run the CodeReady Containers and create the ~/.crc directory if it did not previously exist. In the process you have to supply your pulled secret, once this process is completed you have to reboot your system. When the system has restarted you can start the new CodeReady Containers virtual machine with the $crc start command. The $crc start command starts the CodeReady virtual machine and OpenShift cluster.
You cannot change the configuration of an existing CodeReady Containers virtual machine. So if you have a CodeReady Containers virtual machine and you want to make configuration changes you need to delete the virtual machine with the $crc delete command and create a new virtual machine and start that one with the configuration changes. Take note that deleting the virtual machine will also delete the data stored in the CodeReady Containers. So, to prevent data loss we recommend you save the data you wish to keep. Also keep in mind that it is not necessary to change the default configuration to start OpenShift.
C:\Users\[username]\$PATH>crc setup 
Before starting the machine, you need to keep in mind that it is not possible to make any changes to the virtual machine. For this tutorial however it is not necessary to change the configuration, if you don’t want to make any changes please continue by starting the machine with the crc start command.
C:\Users\[username]\$PATH>crc start 
\ it is possible that you will get a Nameserver error later on, if this is the case please start it with* crc start -n 1.1.1.1

Configuration

It is not is not necessary to change the default configuration and continue with this tutorial, this chapter is here for those that wish to do so and know what they are doing. However, for MacOS and Linux it is necessary to change the dns settings.

Configuring the CodeReady Containers

To start the configuration of the CodeReady Containers use the command crc config. This command allows you to configure the crc binary and the CodeReady virtual machine. The command has some requirements before it’s able to configure. This requirement is a subcommand, the available subcommands for this binary and virtual machine are:
get, this command allows you to see the values of a configurable property
set/unset, this command can be used for 2 things. To display the names of, or to set and/or unset values of several options and parameters. These parameters being:
○ Shell options
○ Shell attributes
○ Positional parameters
view, this command starts the configuration in read-only mode.
These commands need to operate on named configurable properties. To list all the available properties, you can run the command $crc config --help.
Throughout this manual we will use the $crc config command a few times to change some properties needed for the configuration.
There is also the possibility to use the crc config command to configure the behavior of the checks that’s done by the $crc start end $crc setup commands. By default, the startup checks will stop with the process if their conditions are not met. To bypass this potential issue, you can set the value of a property that starts with skip-check or warn-check to true to skip the check or warning instead of ending up with an error.
C:\Users\[username]\$PATH>crc config get C:\Users\[username]\$PATH>crc config set C:\Users\[username]\$PATH>crc config unset C:\Users\[username]\$PATH>crc config view C:\Users\[username]\$PATH>crc config --help 

Configuring the Virtual Machine

You can use the CPUs and memory properties to configure the default number of vCPU’s and amount of memory available for the virtual machine.
To increase the number of vCPU’s available to the virtual machine use the $crc config set CPUs . Keep in mind that the default number for the CPU’s is 4 and the number of vCPU’s you wish to assign must be equal or greater than the default value.
To increase the memory available to the virtual machine, use the $crc config set memory . Keep in mind that the default number for the memory is 9216 Mebibytes and the amount of memory you wish to assign must be equal or greater than the default value.
C:\Users\[username]\$PATH>crc config set CPUs  C:\Users\[username]\$PATH>crc config set memory > 

Configuring the DNS

Window / General DNS setup

There are two domain names used by the OpenShift cluster that are managed by the CodeReady Containers, these are:
crc.testing, this is the domain for the core OpenShift services.
apps-crc.testing, this is the domain used for accessing OpenShift applications that are deployed on the cluster.
Configuring the DNS settings in Windows is done by executing the crc setup. This command automatically adjusts the DNS configuration on the system. When executing crc start additional checks to verify the configuration will be executed.

macOS DNS setup

MacOS expects the following DNS configuration for the CodeReady Containers
● The CodeReady Containers creates a file that instructs the macOS to forward all DNS requests for the testing domain to the CodeReady Containers virtual machine. This file is created at /etc/resolvetesting.
● The oc binary requires the following CodeReady Containers entry to function properly, api.crc.testing adds an entry to /etc/hosts pointing at the VM IPaddress.

Linux DNS setup

CodeReady containers expect a slightly different DNS configuration. CodeReady Container expects the NetworkManager to manage networking. On Linux the NetworkManager uses dnsmasq through a configuration file, namely /etc/NetworkManageconf.d/crc-nm-dnsmasq.conf.
To set it up properly the dnsmasq instance has to forward the requests for crc.testing and apps-crc.testing domains to “192.168.130.11”. In the /etc/NetworkManageconf.d/crc-nm-dnsmasq.conf this will look like the following:
● Server=/crc. Testing/192.168.130.11
● Server=/apps-crc. Testing/192.168.130.11

Accessing the Openshift Cluster

Accessing the Openshift web console

To gain access to the OpenShift cluster running in the CodeReady virtual machine you need to make sure that the virtual machine is running before continuing with this chapter. The OpenShift clusters can be accessed through the OpenShift web console or the client binary(oc).
First you need to execute the $crc console command, this command will open your web browser and direct a tab to the web console. After that, you need to select the htpasswd_provider option in the OpenShift web console and log in as a developer user with the output provided by the crc start command.
It is also possible to view the password for kubeadmin and developer users by running the $crc console --credentials command. While you can access the cluster through the kubeadmin and developer users, it should be noted that the kubeadmin user should only be used for administrative tasks such as user management and the developer user for creating projects or OpenShift applications and the deployment of these applications.
C:\Users\[username]\$PATH>crc console C:\Users\[username]\$PATH>crc console --credentials 

Accessing the OpenShift cluster with oc

To gain access to the OpenShift cluster with the use of the oc command you need to complete several steps.
Step 1.
Execute the $crc oc-env command to print the command needed to add the cached oc binary to your PATH:
C:\Users\[username]\$PATH>crc oc-env 
Step 2.
Execute the printed command. The output will look something like the following:
PS C:\Users\OpenShift> crc oc-env $Env:PATH = "CC:\Users\OpenShift\.crc\bin\oc;$Env:PATH" # Run this command to configure your shell: # & crc oc-env | Invoke-Expression 
This means we have to execute* the command that the output gives us, in this case that is:
C:\Users\[username]\$PATH>crc oc-env | Invoke-Expression 
\this has to be executed every time you start; a solution is to move the oc binary to the same path as the crc binary*
To test if this step went correctly execute the following command, if it returns without errors oc is set up properly
C:\Users\[username]\$PATH>.\oc 
Step 3
Now you need to login as a developer user, this can be done using the following command:
$oc login -u developer https://api.crc.testing:6443
Keep in mind that the $crc start will provide you with the password that is needed to login with the developer user.
C:\Users\[username]\$PATH>oc login -u developer https://api.crc.testing:6443 
Step 4
The oc can now be used to interact with your OpenShift cluster. If you for instance want to verify if the OpenShift cluster Operators are available, you can execute the command
$oc get co 
Keep in mind that by default the CodeReady Containers disables the functions provided by the commands $machine-config and $monitoringOperators.
C:\Users\[username]\$PATH>oc get co 

Demonstration

Now that you are able to access the cluster, we will take you on a tour through some of the possibilities within OpenShift Container Platform.
We will start by creating a project. Within this project we will import an image, and with this image we are going to build an application. After building the application we will explain how upscaling and downscaling can be used within the created application.
As the next step we will show the user how to make changes in the network route. We also show how monitoring can be used within the platform, however within the current version of CodeReady Containers this has been disabled.
Lastly, we will show the user how to use user management within the platform.

Creating a project

To be able to create a project within the console you have to login on the cluster. If you have not yet done this, this can be done by running the command crc console in the command line and logging in with the login data from before.
When you are logged in as admin, switch to Developer. If you're logged in as a developer, you don't have to switch. Switching between users can be done with the dropdown menu top left.
Now that you are properly logged in press the dropdown menu shown in the image below, from there click on create a project.
https://preview.redd.it/ytax8qocitv51.png?width=658&format=png&auto=webp&s=72d143733f545cf8731a3cca7cafa58c6507ace2
When you press the correct button, the following image will pop up. Here you can give your project a name and description. We chose to name it CodeReady with a displayname CodeReady Container.
https://preview.redd.it/vtaxadwditv51.png?width=594&format=png&auto=webp&s=e3b004bab39fb3b732d96198ed55fdd99259f210

Importing image

The Containers in OpenShift Container Platform are based on OCI or Docker formatted images. An image is a binary that contains everything needed to run a container as well as the metadata of the requirements needed for the container.
Within the OpenShift Container Platform it’s possible to obtain images in a number of ways. There is an integrated Docker registry that offers the possibility to download new images “on the fly”. In addition, OpenShift Container Platform can use third party registries such as:
- Https://hub.docker.com/
- Https://catalog.redhat.com/software/containers/search
Within this manual we are going to import an image from the Red Hat container catalog. In this example we’ll be using MediaWiki.
Search for the application in https://catalog.redhat.com/software/containers/search

https://preview.redd.it/c4mrbs0fitv51.png?width=672&format=png&auto=webp&s=f708f0542b53a9abf779be2d91d89cf09e9d2895
Navigate to “Get this image”
Follow the steps to “create a registry service account”, after that you can copy the YAML.
https://preview.redd.it/b4rrklqfitv51.png?width=1323&format=png&auto=webp&s=7a2eb14a3a1ba273b166e03e1410f06fd9ee1968
After the YAML has been copied we will go to the topology view and click on the YAML button
https://preview.redd.it/k3qzu8dgitv51.png?width=869&format=png&auto=webp&s=b1fefec67703d0a905b00765f0047fe7c6c0735b
Then we have to paste in the YAML, put in the name, namespace and your pull secret name (which you created through your registry account) and click on create.
https://preview.redd.it/iz48kltgitv51.png?width=781&format=png&auto=webp&s=4effc12e07bd294f64a326928804d9a931e4d2bd
Run the import command within powershell
$oc import-image openshift4/mediawiki --from=registry.redhat.io/openshift4/mediawiki --confirm imagestream.image.openshift.io/mediawiki imported 

Creating and managing an application

There are a few ways to create and manage applications. Within this demonstration we’ll show how to create an application from the previously imported image.

Creating the application

To create an image with the previously imported image go back to the console and topology. From here on select container image.
https://preview.redd.it/6506ea4iitv51.png?width=869&format=png&auto=webp&s=c0231d70bb16c76cd131e6b71256e93550cc8b37
For the option image you'll want to select the “image stream tag from internal registry” option. Give the application a name and then create the deployment.
https://preview.redd.it/tk72idniitv51.png?width=813&format=png&auto=webp&s=a4e662cf7b96604d84df9d04ab9b90b5436c803c
If everything went right during the creating process you should see the following, this means that the application is successfully running.
https://preview.redd.it/ovv9l85jitv51.png?width=901&format=png&auto=webp&s=f78f350207add0b8a979b6da931ff29ffa30128c

Scaling the application

In OpenShift there is a feature called autoscaling. There are two types of application scaling, namely vertical scaling, and horizontal scaling. Vertical scaling is adding only more CPU and hard disk and is no longer supported by OpenShift. Horizontal scaling is increasing the number of machines.
One of the ways to scale an application is by increasing the number of pods. This can be done by going to a pod within the view as seen in the previous step. By either pressing the up or down arrow more pods of the same application can be added. This is similar to horizontal scaling and can result in better performance when there are a lot of active users at the same time.
https://preview.redd.it/s6i1vbcrltv51.png?width=602&format=png&auto=webp&s=e62cbeeed116ba8c55704d61a990fc0d8f3cfaa1
In the picture above we see the number of nodes and pods and how many resources those nodes and pods are using. This is something to keep in mind if you want to scale up your application, the more you scale it up, the more resources it will take up.

https://preview.redd.it/quh037wmitv51.png?width=194&format=png&auto=webp&s=5e326647b223f3918c259b1602afa1b5fbbeea94

Network

Since OpenShift Container platform is built on Kubernetes it might be interesting to know some theory about its networking. Kubernetes, on which the OpenShift Container platform is built, ensures that the Pods within OpenShift can communicate with each other via the network and assigns them their own IP address. This makes all containers within the Pod behave as if they were on the same host. By giving each pod its own IP address, pods can be treated as physical hosts or virtual machines in terms of port mapping, networking, naming, service discovery, load balancing, application configuration and migration. To run multiple services such as front-end and back-end services, OpenShift Container Platform has a built-in DNS.
One of the changes that can be made to the networking of a Pod is the Route. We’ll show you how this can be done in this demonstration.
The Route is not the only thing that can be changed and or configured. Two other options that might be interesting but will not be demonstrated in this manual are:
- Ingress controller, Within OpenShift it is possible to set your own certificate. A user must have a certificate / key pair in PEM-encoded files, with the certificate signed by a trusted authority.
- Network policies, by default all pods in a project are accessible from other pods and network locations. To isolate one or more pods in a project, it is possible to create Network Policy objects in that project to indicate the allowed incoming connections. Project administrators can create and delete Network Policy objects within their own project.
There is a search function within the Container Platform. We’ll use this to search for the network routes and show how to add a new route.
https://preview.redd.it/8jkyhk8pitv51.png?width=769&format=png&auto=webp&s=9a8762df5bbae3d8a7c92db96b8cb70605a3d6da
You can add items that you use a lot to the navigation
https://preview.redd.it/t32sownqitv51.png?width=1598&format=png&auto=webp&s=6aab6f17bc9f871c591173493722eeae585a9232
For this example, we will add Routes to navigation.
https://preview.redd.it/pm3j7ljritv51.png?width=291&format=png&auto=webp&s=bc6fbda061afdd0780bbc72555d809b84a130b5b
Now that we’ve added Routes to the navigation, we can start the creation of the Route by clicking on “Create route”.
https://preview.redd.it/5lgecq0titv51.png?width=1603&format=png&auto=webp&s=d548789daaa6a8c7312a419393795b52da0e9f75
Fill in the name, select the service and the target port from the drop-down menu and click on Create.
https://preview.redd.it/qczgjc2uitv51.png?width=778&format=png&auto=webp&s=563f73f0dc548e3b5b2319ca97339e8f7b06c9d6
As you can see, we’ve successfully added the new route to our application.
https://preview.redd.it/gxfanp2vitv51.png?width=1588&format=png&auto=webp&s=1aae813d7ad0025f91013d884fcf62c5e7d109f1
Storage
OpenShift makes use of Persistent Storage, this type of storage uses persistent volume claims(PVC). PVC’s allow the developer to make persistent volumes without needing any knowledge about the underlying infrastructure.
Within this storage there are a few configuration options:
It is however important to know how to manually reclaim the persistent volumes, since if you delete PV the associated data will not be automatically deleted with it and therefore you cannot reassign the storage to another PV yet.
To manually reclaim the PV, you need to follow the following steps:
Step 1: Delete the PV, this can be done by executing the following command
$oc delete  
Step 2: Now you need to clean up the data on the associated storage asset
Step 3: Now you can delete the associated storage asset or if you with to reuse the same storage asset you can now create a PV with the storage asset definition.
It is also possible to directly change the reclaim policy within OpenShift, to do this you would need to follow the following steps:
Step 1: Get a list of the PVs in your cluster
$oc get pv 
This will give you a list of all the PV’s in your cluster and will display their following attributes: Name, Capacity, Accesmodes, Reclaimpolicy, Statusclaim, Storageclass, Reason and Age.
Step 2: Now choose the PV you wish to change and execute one of the following command’s, depending on your preferred policy:
$oc patch pv  -p '{"spec":{"persistentVolumeReclaimPolicy":"Retain"}}' 
In this example the reclaim policy will be changed to Retain.
$oc patch pv  -p '{"spec":{"persistentVolumeReclaimPolicy":"Recycle"}}' 
In this example the reclaim policy will be changed to Recycle.
$oc patch pv  -p '{"spec":{"persistentVolumeReclaimPolicy":"Delete"}}' 
In this example the reclaim policy will be changed to Delete.

Step 3: After this you can check the PV to verify the change by executing this command again:
$oc get pv 

Monitoring

Within Red Hat OpenShift there is the possibility to monitor the data that has been created by your containers, applications, and pods. To do so, click on the menu option in the top left corner. Check if you are logged in as Developer and click on “Monitoring”. Normally this function is not activated within the CodeReady containers, because it uses a lot of resources (Ram and CPU) to run.
https://preview.redd.it/an0wvn6zitv51.png?width=228&format=png&auto=webp&s=51abf8cc31bd763deb457d49514f99ee81d610ec
Once you have activated “Monitoring” you can change the “Time Range” and “Refresh Interval” in the top right corner of your screen. This will change the monitoring data on your screen.
https://preview.redd.it/e0yvzsh1jtv51.png?width=493&format=png&auto=webp&s=b2c563635cfa60ea7ce2f9c146aa994df6aa1c34
Within this function you can also monitor “Events”. These events are records of important information and are useful for monitoring and troubleshooting within the OpenShift Container Platform.
https://preview.redd.it/l90vkmp3jtv51.png?width=602&format=png&auto=webp&s=4e97f14bedaec7ededcdcda96e7823f77ced24c2

User management

According to the documentation of OpenShift is a user, an entity that interacts with the OpenShift Container Platform API. These can be a developer for developing applications or an administrator for managing the cluster. Users can be assigned to groups, which set the permissions applied to all the group’s members. For example, you can give API access to a group, which gives all members of the group API access.
There are multiple ways to create a user depending on the configured identity provider. The DenyAll identity provider is the default within OpenShift Container Platform. This default denies access for all the usernames and passwords.
First, we’re going to create a new user, the way this is done depends on the identity provider, this depends on the mapping method used as part of the identity provider configuration.
for more information on what mapping methods are and how they function:
https://docs.openshift.com/enterprise/3.1/install_config/configuring_authentication.html
With the default mapping method, the steps will be as following
$oc create user  
Next up, we’ll create an OpenShift Container Platform Identity. Use the name of the identity provider and the name that uniquely represents this identity in the scope of the identity provider:
$oc create identity : 
The is the name of the identity provider in the master configuration. For example, the following commands create an Identity with identity provider ldap_provider and the identity provider username mediawiki_s.
$oc create identity ldap_provider:mediawiki_s 
Create a useidentity mapping for the created user and identity:
$oc create useridentitymapping :  
For example, the following command maps the identity to the user:
$oc create useridentitymapping ldap_provider:mediawiki_s mediawiki 
Now were going to assign a role to this new user, this can be done by executing the following command:
$oc create clusterrolebinding  \ --clusterrole= --user= 
There is a --clusterrole option that can be used to give the user a specific role, like a cluster user with admin privileges. The cluster admin has access to all files and is able to manage the access level of other users.
Below is an example of the admin clusterrole command:
$oc create clusterrolebinding registry-controller \ --clusterrole=cluster-admin --user=admin 

What did you achieve?

If you followed all the steps within this manual you now should have a functioning Mediawiki Application running on your own CodeReady Containers. During the installation of this application on CodeReady Containers you have learned how to do the following things:
● Installing the CodeReady Containers
● Updating OpenShift
● Configuring a CodeReady Container
● Configuring the DNS
● Accessing the OpenShift cluster
● Deploying an application
● Creating new users
With these skills you’ll be able to set up your own Container Platform environment and host applications of your choosing.

Troubleshooting

Nameserver
There is the possibility that your CodeReady container can't connect to the internet due to a Nameserver error. When this is encountered a working fix for us was to stop the machine and then start the CRC machine with the following command:
C:\Users\[username]\$PATH>crc start -n 1.1.1.1 
Hyper-V admin
Should you run into a problem with Hyper-V it might be because your user is not an admin and therefore can’t access the Hyper-V admin user group.
  1. Click Start > Control Panel > Administration Tools > Computer Management. The Computer Management window opens.
  2. Click System Tools > Local Users and Groups > Groups. The list of groups opens.
  3. Double-click the Hyper-V Administrators group. The Hyper-V Administrators Properties window opens.
  4. Click Add. The Select Users or Groups window opens.
  5. In the Enter the object names to select field, enter the user account name to whom you want to assign permissions, and then click OK.
  6. Click Apply, and then click OK.

Terms and definitions

These terms and definitions will be expanded upon, below you can see an example of how this is going to look like together with a few terms that will require definitions.
Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications. Openshift is based on Kubernetes.
Clusters are a collection of multiple nodes which communicate with each other to perform a set of operations.
Containers are the basic units of OpenShift applications. These container technologies are lightweight mechanisms for isolating running processes so that they are limited to interacting with only their designated resources.
CodeReady Container is a minimal, preconfigured cluster that is used for development and testing purposes.
CodeReady Workspaces uses Kubernetes and containers to provide any member of the development or IT team with a consistent, secure, and zero-configuration development environment.

Sources

  1. https://www.ibm.com/support/knowledgecenteen/SSMKFH/com.ibm.apmaas.doc/install/hyperv_config_add_nonadmin_user_hyperv_usergroup.html
  2. https://access.redhat.com/documentation/en-us/openshift_container_platform/4.5/
  3. https://docs.openshift.com/container-platform/3.11/admin_guide/manage_users.html
submitted by Groep6HHS to openshift [link] [comments]

C++ Lesson 0 - Development Environment

Ok, so for my first "tutorial", I’m going to teach you how to set up your development environment. I’ll run through the installations of compilers and editors for Linux, macOS and Windows platforms, but first I want to start with my setup as that is what I recommend. I use a Raspberry Pi 4 that I can remote into to compile and develop code on. It is a very capable machine if you ditch Raspberry OS and instead use Ubuntu. If you guys want, I can make another post telling you how to set one up and configure it for remote access.
Windows:
As sad as it is, windows dominate 80% of the market share when it comes to computer operating systems. It’s actually kind of stupid how such buggy software can be so popular but that’s just my opinion. Setting up your environment on Windows is actually remarkably easy. There is this IDE called Code::Blocks. Simply go to this link:
http://sourceforge.net/projects/codeblocks/files/Binaries/20.03/Windows/codeblocks-20.03mingw-setup.exe
download the installer and run it. Then you’re done. You can start writing code straight away. For these series I will be working with the Unix command line. So when I compile the code using the command line, you can simply click the “build and run” option from the IDE and it will automatically compile and run your code.
Linux:
If you’re a Linux user, you probably already know how to set up your environment, but just in case you don’t know I will run through it now. The first thing you want to do is update you repos and upgrade them. So, enter the following two commands:
sudo apt-get update
sudo apt-get upgrade
Please note that the sudo commands is essentially asking the terminal for root privileges. You need to enter your password in order to execute the commands. Now we need to install g++. This is done with:
sudo apt-get install g++
when prompted to, press ‘y’ and hit enter.
Let the command execute and GCC will be installed. Now, as I mentioned, I will be using the command line. If you want to just copy and past the commands I use to compile and run the code, you will need to be in the same working directory as me. To create this directory, enter the following command:
sudo mkdir ~/cpp_code
This will create a folder called ‘cpp_code’ is the home directory. This is base folder for out tutorial series and each lesson will have their own folder.
Your editor. Simple. Use whatever text editor you want. I know some purists out there will demand that using a command line text editor is the only way to code. Poppycock. Why over complicate matters unnecessarily. Every operating system has a text editor installed and that will suffice when writing C++ code. You just have to make sure that all the files are saved with the extension ‘.cpp’.
macOS:
Finally, all you Mac users out there. Thankfully, macOS is built upon unix, which means quite a few of the commands are the same as the Linux system. The first thing we have to do, however, is install a package manager. Homebrew is by far the best and is the one I use. To install it, execute the following command:
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/masteinstall.sh)"
You will be asked to enter your password and then the installation will start. Once this has been completed, you can use the command ‘brew’ to install applications through the command line. So now you can install ‘gcc’ using the following command:
sudo brew install gcc
And then you’re done. Now use the same commands as the Linux users to set up the development folders. Now, your editor. You can simply use the text editor built into the macOS system to write your code. Just make sure you save all the files with the ‘.cpp’ extension.
And we’re done. Your systems should now be able to write, compile and run C++ code. This was my first ever tutorial so I would greatly appreciate any feedback on what I did right and wrong and how I could improve. Also, please ask as many questions as possible. Thank you.
submitted by Armature89 to ProgrammingBuddies [link] [comments]

How to generate (relative) secure paper wallets and spend them (Newbies)

How to generate (relative) secure paper walletsEveryone is invited to suggest improvements, make it easier, more robust, provide alternativers, comment on what they like or not, and also critizice it.
Also, this is a disclaimer: I'm new to all of this. First, I didn't buy a hardware wallet because they are not produce in my country and I couldnt' trust they are not tampered. So the other way was to generate it myself. (Not your keys not your money) I've instructed myself several weeks reading various ways of generating wallets (including Glacier). As of now, I think this is THE BEST METHOD for a non-technical person which is high security and low cost and not that much lenghty.
FAQs:Why I didn't use Coleman's BIP 39 mnemonic method? Basically, I dont know how to audit the code. As a downside, we will have to really write down accurately our keys having in mind that a mistype is fatal. Also, we should keep in mind that destruction of the key is fatal as well. The user has to secure the key from losing the keys, theft and destruction.
Lets start
You'll need:
Notes: We will be following https://www.swansontec.com/bitcoin-dice.html guidelines. We will be creating our own random key instead of downloading BitAddress javascript for safety reasons. Following this guideline lets you audit the code that will create the public address and bitcoin address. Its simple, short and you can always test the code by inputting a known private keys to tell if the bitcoin address generated is legit or not. This process is done offline, so your private key never touches the internet.
Steps
1. Download the bitcoin-bash-tools and dice2key scripts from Github, latest Ubuntu distribution, and LiLi, A software to install Ubuntu on our flash drive (easier than what is proposed on Swansontec)

2. Install the live environment in a CD or USB, and paste the tools we are going to use inside of it (they are going to be located in file://cdrom)

  • Open up LiLi and insert your flash drive.

  • Make sure you’ve selected the correct drive (click refresh if drive isn’t showing).
  • Choose “ISO/IMG/ZIP” and select the Ubuntu ISO file you’ve downloaded in the previous step.
  • Make sure only “Format the key in FAT32” is selected.
  • Click the lightning bolt to start the format and installation process
  • [https://99bitcoins.com/bitcoin-wallet/pape\](https://99bitcoins.com/bitcoin-wallet/pape)

    3. Open the Ubuntu environment in a offline computer that will never touch the internet again (there is some malware that infect the BIOS so doing it in your regular computer is not safe to my understanding)

    Restart your computer. Clicking F12 or F1 during the boot-up process will allow you to choose to run your operating system from your flash drive or CD. After the Ubuntu operating system loads you will choose the “try Ubuntu” option.
    4. Roll the dice 100 times and convert into a 32-byte hexadecimal number by using dice2key

    To generate a Bitcoin private key using normal, run the following command to convert the dice rolls into a 32-byte hexadecimal number:source dice2key (100 six-sided dice rolls)

    5. Run newBitcoinKey 0x + your private key and it will give you your: public address, bitcoin address and WIF.Save the Private Key and Bitcoin Address. Check several times that you handwritten it correctly. You can check by re entering the code in the console from your paper. (I recommend writing down the Private Key which is in HEX and not the WIF since this one is key sensitive and you can lose it, or write it wrong. Also, out of the private key you can get the WIF which will let you transfer your funds). If you lose your key, you lose your funds. Be careful.
    If auditing the code for this is not enough for you, you can also test the code by inputting a known private keys to tell if the bitcoin address generated is legit or not.
    I recommend you generate several keys and addresses as this process is not super easy to do. Remember that you should never reuse your paper wallets (meaning that you should empty all of the funds from this one adress if you are making a payment). As such, a couple of addresses come handy.
    At this point, there should be no way for information to leak out of the live CD environment. The live CD doesn't store anything on the hard disk, and there is no network connection. Everything that happens from now on will be lost when the computer is rebooted.
    Now, start the "Terminal" program, and type the following command:
    source ~/bitcoin.shThis will load the address-calculation script. Now, use the script to find the Bitcoin address for your private key:
    newBitcoinKey 0x(your dice digits)Replace the part that says "(your dice digits)" with 64 digits found by rolling your pair of hexadecimal dice 32 times. Be sure there is no space between the "0x" and your digits. When all is said and done, your terminal window should look like this:
    [email protected]:~$ source ~/[email protected]:~$ newBitcoinKey 0x8010b1bb119ad37d4b65a1022a314897b1b3614b345974332cb1b9582cf03536---secret exponent: 0x8010B1BB119AD37D4B65A1022A314897B1B3614B345974332CB1B9582CF03536public key: X: 09BA8621AEFD3B6BA4CA6D11A4746E8DF8D35D9B51B383338F627BA7FC732731 Y: 8C3A6EC6ACD33C36328B8FB4349B31671BCD3A192316EA4F6236EE1AE4A7D8C9compressed: WIF: L1WepftUBemj6H4XQovkiW1ARVjxMqaw4oj2kmkYqdG1xTnBcHfC bitcoin address: 1HV3WWx56qD6U5yWYZoLc7WbJPV3zAL6Hiuncompressed: WIF: 5JngqQmHagNTknnCshzVUysLMWAjT23FWs1TgNU5wyFH5SB3hrP bitcoin address: [email protected]:~$The script produces two public addresses from the same private key. The "compressed" address format produces smaller transaction sizes (which means lower transaction fees), but it's newer and not as well-supported as the original "uncompressed" format. Choose which format you like, and write down the "WIF" and "bitcoin address" on a piece of paper. The "WIF" is just the private key, converted to a slightly shorter format that Bitcoin wallet apps prefer.
    Double-check your paper, and reboot your computer. Aside from the copy on the piece of paper, the reboot should destroy all traces of the private key. Since the paper now holds the only copy of the private key, do not lose it, or you will lose the ability to spend any funds sent to the address!
    Conclusion
    With this method you are creating an airgapped environment that will never touch the internet. Also, we are checking that the code we use its not tampered. If this is followed strictly I see virtually no chances of your keys being hacked.
    How to spend your funds from a securely generated paper wallet.
    Almost all tutorials seen online, will let you import or sweep you private keys into the desktop wallet or mobile wallet which are hot wallets. In the meantime, you are exposed and all of your work to secure the cold storage is being thrown away. This method will let you sign the transaction offline (you will not expose your private key in an online system).
    You'll need:
    The source of this method is taken from CryptoGuide from Youtube https://www.youtube.com/watch?v=-9kf9LMnJpI&t=86s . Basically you can follow his video as it is foolproof. Please check that Electrum distribution is signed.
    The summarized steps are:
    Download Electrum on both devices and check its signed for safey.Disconnect your phone from the internet (flight mode= All connections off) and input your private key in ElectrumGenerate the transaction in your desktop and export it via QR (never leave unspent BTC or you will lose them)In your phone, open Electrum > Send > QR (this will import the transaction) and scan the desktop exported transactionSign the transaction in your phone.Export the signed transaction in QRLoad the signed transaction in the desktop Electrum and broadcast it to the network.Wait until 3 confirmations to connect your phone to the internet again.
    Ideas for improvement:
    So thats it. I hope someone can find this helpful or help in creating a better method. If you like, you can donate at 1Che7FG93vDsbes6NPBhYuz29wQoW7qFUH
    submitted by Heron-Express to Bitcoin [link] [comments]

    ./play.it 2.12: API, GUI and video games

    ./play.it 2.12: API, GUI and video games

    ./play.it is a free/libre software that builds native packages for several Linux distributions from DRM-free installers for a collection of commercial games. These packages can then be installed using the standard distribution-provided tools (APT, pacman, emerge, etc.).
    A more complete description of ./play.it has already been posted in linux_gaming a couple months ago: ./play.it, an easy way to install commercial games on GNU/Linux
    It's already been one year since version 2.11 was released, in January 2019. We will only briefly review the changelog of version 2.12 and focus on the different points of ./play.it that kept us busy during all this time, and of which coding was only a small part.

    What’s new with 2.12?

    Though not the focus of this article, it would be a pity not to present all the added features of this brand new version. ;)
    Compared to the usual updates, 2.12 is a major one, especially since for two years, we slowed down the addition of new features. Some patches took dust since the end of 2018 before finally be integrated in this update!
    The list of changes for this 2.12 release can be found on our forge. Here is a full copy for convenience:

    Development migration

    History

    As many free/libre projects, ./play.it development started on some random sector of a creaking hard drive, and unsurprisingly, a whole part of its history (everything predating version 1.13.15 released on Mars 30th, 2016) disappeared into the limbs because some unwise operation destroyed the only copy of the repository… Lesson learned, what's not shared don't stay long, and so was born the first public Git repository of the project. The easing of collaborative work was only accidentally achieved by this quest for eternity, but wasn't the original motivation for making the repository publicly available.
    Following this decision, ./play.it source code has been hosted successively by many shared forge platforms:

    Dedicated forge

    As development progressed, ./play.it began to increase its need for resources, dividing its code into several repositories to improve the workflow of the different aspects of the projects, adding continuous integration tests and their constraints, etc. A furious desire to understand the nooks and crannies behind a forge platform was the last deciding factor towards hosting a dedicated forge.
    So it happened, we deployed a forge platform on a dedicated server, hugely benefiting from the tremendous work achieved by the GitLab's package Debian Maintainers team. In return, we tried to contribute our findings in improving this software packaging.
    That was not expected, but this migration happened just a little time before the announcement “Déframasoftisons Internet !” (French article) about the planned end of Framagit.
    This dedicated instance used to be hosted on a VPS rented from Digital Ocean until the second half of July 2020, and since then has been moved to another VPS, rented from Hetzner. The specifications are similar, as well as the service, but thanks to this migration our hosting costs have been cut in half. Keeping in mind that this is paid by a single person, so any little donation helps a lot on this front. ;)
    To the surprise of our system administrator, this last migration took only a couple hours with no service interruption reported by our users.

    Forge access

    This new forge can be found at forge.dotslashplay.it. Registrations are open to the public, but we ask you to not abuse this, the main restriction being that we do not wish to host projects unrelated to ./play.it. Of course exceptions are made for our active contributors, who are allowed to host some personal projects there.
    So, if you wish to use this forge to host your own work, you first need to make some significant contributions to ./play.it.

    API

    The collection of supported games growing endlessly, we have started the development of a public API allowing access to lots of information related to ./play.it.
    This API, which is not yet stabilized, is simply an interface to a versioned database containing all the ./play.it scripts, handled archives, games installable through the project. Relations are, of course, handled between those items, enabling its use for requests like : « What packages are required on my system to install Cæsar Ⅲ ? » or « What are the free (as in beer) games handled via DOSBox ? ».
    Originally developed as support for the new, in-development, Web site (we'll talk about it later on), this API should facilitate the development of tools around ./play.it. For example, it'll be useful for whomever would like to build a complete video game handling software (downloading, installation, starting, etc.) using ./play.it as one of its building bricks.
    For those curious about the technical side, it's an API based on Lumeneffectuant that makes requests on a MariaDB database, all self-hosted on a Debian Sid. Not only is the code of the API versioned on our forge, but also the structure and content of the databases, which will allow those who desired it to install a local version easily.

    New website

    Based on the aforementioned API, a new website is under development and will replace our current website based on DokuWiki.
    Indeed, if the lack of database and the plain text files structure of DokuWiki seemed at first attractive, as ./play.it supported only a handful of games (link in French), this feature became more inconvenient as the library of ./play.it supported games grew.
    We shall make an in-depth presentation of this website for the 2.13 release of ./play.it, but a public demo of the development version from our forge is already available.
    If you feel like providing an helping hand on this task, some priority tasks have been identified to allow opening a new Web site able to replace the current one. And for those interested in technical details, this web Site was developed in PHP using the framework Laravel. The current in-development version is hosted for now on the same Debian Sid than the API.

    GUI

    A regular comment that is done about the project is that, if the purpose is to make installing games accessible to everyone without technical skills, having to run scripts in the terminal remains somewhat intimidating. Our answer until now has been that while the project itself doesn't aim to providing a graphical interface (KISS principle "Keep it simple, stupid"), still and always), but that it would be relatively easy to, later on, develop a graphical front-end to it.
    Well, it happens that is now reality. Around the time of our latest publication, one of our contributors, using the API we just talked about, developed a small prototype that is usable enough to warrant a little shout out. :-)
    In practice, it is some small Python 3 code (an HCI completely in POSIX shell is for a later date :-°), using GTK 3 (and still a VTE terminal to display the commands issued, but the user shouldn't have to input anything in it, except perhaps the root password to install some packages). This allowed to verify that, as we used to say, it would be relatively easy, since a script of less than 500 lines of code (written quickly over a week-end) was enough to do the job !
    Of course, this graphical interface project stays independent from the main project, and is maintained in a specific repository. It seems interesting to us to promote it in order to ease the use of ./play.it, but this doesn't prevent any other similar projects to be born, for example using a different language or graphical toolkit (we, globally, don't have any particular affinity towards Python or GTK).
    The use of this HCI needs three steps : first, a list of available games is displayed, coming directly from our API. You just need to select in the list (optionally using the search bar) the game you want to install. Then it switches to a second display, which list the required files. If several alternatives are available, the user can select the one he wants to use. All those files must be in the same directory, the address bar on the top enabling to select which one to use (click on the open button on the top opens a filesystem navigation window). Once all those files available (if they can be downloaded, the software will do it automatically), you can move ahead to the third step, which is just watching ./play.it do its job :-) Once done, a simple click on the button on the bottom will run the game (even if, from this step, the game is fully integrated on your system as usual, you no longer need this tool to run it).
    To download potentially missing files, the HCI will use, depending on what's available on the system, either wget, curl or aria2c (this last one also handling torrents), of which the output will be displayed in the terminal of the third phase, just before running the scripts. For privilege escalation to install packages, sudo will be used preferentially if available (with the option to use a third-party application for password input, if the corresponding environment variable is set, which is more user-friendly), else su will be used.
    Of course, any suggestion for an improvement will be received with pleasure.

    New games

    Of course, such an announcement would not be complete without a list of the games that got added to our collection since the 2.11 release… So here you go:
    If your favourite game is not supported by ./play.it yet, you should ask for it in the dedicated tracker on our forge. The only requirement to be a valid request is that there exists a version of the game that is not burdened by DRM.

    What’s next?

    Our team being inexhaustible, work on the future 2.13 version has already begun…
    A few major objectives of this next version are :
    If your desired features aren't on this list, don't hesitate to signal it us, in the comments of this news release. ;)

    Links

    submitted by vv224 to linux_gaming [link] [comments]

    Version Control in Game Development: 10 Vague Reasons to Use It

    Version Control in Game Development: 10 Vague Reasons to Use It
    Whether you’re a AAA development shop or an indie programmer, building a game will surely take more than just a couple of weekends. Many things can happen between the inception of the game and the time it will be released. To track and manage these changes, developers use version (source) control. Let's talk about version control, branching, and how to select the best version control system.

    https://preview.redd.it/br064yidj0z51.jpg?width=2190&format=pjpg&auto=webp&s=16b91701114c2e185a7e33bde1bebf2634cb396e
    The software development process is a long and arduous road. Changes might be introduced to the game mechanics, the admin part of the game, or practically anywhere, especially, if you develop a GaaS product.
    These changes need to be tracked. Indeed, you don’t want to simply copy the entire folder of the game project and save it under a different name (like mycoolgame_v02). You will need version management. That’s what version control systems are for.

    What is version control?

    Version control is the practice of tracking and managing changes to the code base. Version control systems provide a running history of how the code changes. Using version control tools also helps to resolve conflicts when merging contributions from multiple sources.

    What is source control?

    Source control and version control are practically interchangeable, but to put a fine point to it, version control is a more general term. Source control systems typically manage mostly textual data — source control typically means source code or program code. On the other hand, version control refers not only to the source code but also to the other assets of the game app, like images, audio, and video resources.

    Branching

    When you think of a branch, you’d typically picture a fork-like structure. Initially, there’s only one path, but then the paths diverge. That’s essentially what a branch is in source control lingo.
    As you build your game app and expose it to testers, QA, and other stakeholders, they will give input that may force you to introduce changes to the game’s source. Most of the time, the changes will be small, but the changes will sometimes be massive. These large changes are inflection points to the development process. This is typically where you decide to branch.
    The purpose of branching in version control is to achieve code isolation. You’re branching probably because the new branch represents the next version of the game, or it could be something smaller, like “let’s fix bug number 12345”. Whatever branching method you choose, you’ll need a version control.

    https://preview.redd.it/693agxrej0z51.png?width=640&format=png&auto=webp&s=1a9672b8137f9a53968d6b4159269559b67db644

    Why use version control in game projects?

    #1 - Code backup

    Source control, especially a remote repository, is a backup for your code. Indeed, you don’t want your hard drive to be a single point of failure. Do you? What happens to 10 months of coding work if the drive gets fried? What if your server dies? Do you have an automated backup?

    #2 - Better team collaboration

    Share the code with other contributors and still be in sync with each other. If you’re not using source control, how will you work with other developers? Do you really want to use Dropbox or Google Drive to share source codes? How will you track each other’s changes? Version control systems take care of synching and resolving conflicts or differences with codes from multiple contributors.

    #3 - Roll back to the previous version

    Version control systems are a retreat strategy. Have you ever made breaking changes to the code and realized what a colossal mistake it was? If you ever want to go back, it’s a cinch to do that in a version control system.

    #4 - Experiments with zero risks

    It makes experimentation easy. Do you want to try something radical, but you don’t want to clutter or pollute your codebase? Branch. If the idea doesn’t pan out, just leave the branch and go back to the trunk

    #5 - Full audit trail

    Provides an audit trail for the codebase. You can go back to previous versions of the code to find out when and where the bugs first crept in.

    #6 - Better release management

    Monitor the progress of the code. You can see how much work is being done, by who, where, and when.

    #7 - Code comparison and analysis

    You can compare versions of your code. When you learn how to use diffing techniques, you can compare versions of your code in a side-by-side fashion.

    #8 - Manage different versions of the game

    Maintain multiple versions of your product. Branching strategies should help you maintain different versions of your game/product. It is a common practice for the developers to have at least a production version (free from bugs, well-tested) and a work-in-progress development version.

    #9 - Scaling the game projects and companies

    Are you an indie developer? Or you are employed by one of the game giants - Ubisoft, Tencent or King? Whatever project you are involved into at the moment, you may come to the point when you’ll need to deal with more teammates, run more tests, and fix more bugs. Version control software is an indispensable part of your game growth.

    #10 - Facilitate the continuous game updates

    Thinking about the previous point, how often do you plan to release your game updates? Do you plan to do it once a year, monthly or weekly?
    The more frequently you update your game, the more likely you’ll need to do the feature branching or release branching to minimize bugs and achieve flawless user experience. Not to mention if you select the games-as-a-service model.

    What to consider when selecting version control systems

    If you’re about to start a project and deciding which version control system to use, you might want to consider the following.
    1. Ability to support game projects. Some version control platforms are better suited for application development where most of the assets are textual (source codes), and some are better at handling binaryfiles (audio, video, image assets). Make sure your source control system can handle both.
    2. User experience. The source control platform must be supported by tools. If the platform is a CLI-only (command-line interface), it might be popular amongst developers, but non-dev people (artists, designers) might have difficulty using it. The tools have to be friendly to everybody.
    3. Ecosystem of tools and integrations. Does your CI/CD platform support it? Can Jenkins pull from this repo? Your version control system must play nice with the CI/CD apps in the age of continuous integration. Other questions to ask might be;
    • Can you hook it up with Unreal/Unity?
    • Do our IDEs support it?
    • Is it easy to connect it with Trello? Jira?
    1. Hosted or on-premise. Are there companies offering a hosted solution for this version control system? Or do you have to provision a server yourself and find a data center where to park it? Hosting an in-premise source control system has advantages. Still, it also carries lots of baggage like IT personnel cost, capital cost, depreciation cost, etc. In contrast, a hosted solution lets you avoid all those in exchange for a fee.
    2. Single file versioning ability. Can you check out only a single file, or do you have to download everything? Some version control systems force developers to download all the updates from a central server before you can share or see any change. This might be sensible for application code, but it may not make sense for a game app where some of the assets are large binary files.
    3. Access control. Does the system let you control who has access to what? How granular is the control? Can you assign rights down to the file level? Can you assign read but not write privileges to users for particular files?
    Some common version control systems are better at handling some of the things we stated above, and some are better at managing others. You may need to do a comparison matrix to select amongst the version control options.

    If you ask an application developer for recommendation, I’m almost sure they’ll tell you Git, Subversion, or CVS. These are heavy favorites of app devs. They’re open-source software and great at handling textual data, but they may be ill-suited for a game development project because of the way they handle BLOBS or binary files (which a game app has lots of).
    If you ask a game developer, you’ll get a different recommendation; game development projects have very different version control needs than application development projects. Should it be an independent software or a built-in feature in your database or CMS platform?
    How many people are involved in game development? How many databases? How are localization and content delivery done?
    Gridly features the built-in version control, which enables branching of the content datasets, tweak them in isolation and merge back to the master branch. Sign up for free and make your first branch.
    submitted by LocalizeDirectAB to u/LocalizeDirectAB [link] [comments]

    Forex Signals Reddit: top providers review (part 1)

    Forex Signals Reddit: top providers review (part 1)

    Forex Signals - TOP Best Services. Checked!

    To invest in the financial markets, we must acquire good tools that help us carry out our operations in the best possible way. In this sense, we always talk about the importance of brokers, however, signal systems must also be taken into account.
    The platforms that offer signals to invest in forex provide us with alerts that will help us in a significant way to be able to carry out successful operations.
    For this reason, we are going to tell you about the importance of these alerts in relation to the trading we carry out, because, without a doubt, this type of system will provide us with very good information to invest at the right time and in the best assets in the different markets. financial
    Within this context, we will focus on Forex signals, since it is the most important market in the world, since in it, multiple transactions are carried out on a daily basis, hence the importance of having an alert system that offers us all the necessary data to invest in currencies.
    Also, as we all already know, cryptocurrencies have become a very popular alternative to investing in traditional currencies. Therefore, some trading services/tools have emerged that help us to carry out successful operations in this particular market.
    In the following points, we will detail everything you need to know to start operating in the financial markets using trading signals: what are signals, how do they work, because they are a very powerful help, etc. Let's go there!

    What are Forex Trading Signals?

    https://preview.redd.it/vjdnt1qrpny51.jpg?width=640&format=pjpg&auto=webp&s=bc541fc996701e5b4dd940abed610b59456a5625
    Before explaining the importance of Forex signals, let's start by making a small note so that we know what exactly these alerts are.
    Thus, we will know that the signals on the currency market are received by traders to know all the information that concerns Forex, both for assets and for the market itself.
    These alerts allow us to know the movements that occur in the Forex market and the changes that occur in the different currency pairs. But the great advantage that this type of system gives us is that they provide us with the necessary information, to know when is the right time to carry out our investments.
    In other words, through these signals, we will know the opportunities that are presented in the market and we will be able to carry out operations that can become quite profitable.
    Profitability is precisely another of the fundamental aspects that must be taken into account when we talk about Forex signals since the vast majority of these alerts offer fairly reliable data on assets. Similarly, these signals can also provide us with recommendations or advice to make our operations more successful.

    »Purpose: predict movements to carry out Profitable Operations

    In short, Forex signal systems aim to predict the behavior that the different assets that are in the market will present and this is achieved thanks to new technologies, the creation of specialized software, and of course, the work of financial experts.
    In addition, it must also be borne in mind that the reliability of these alerts largely lies in the fact that they are prepared by financial professionals. So they turn out to be a perfect tool so that our investments can bring us a greater number of benefits.

    The best signal services today

    We are going to tell you about the 3 main alert system services that we currently have on the market. There are many more, but I can assure these are not scams and are reliable. Of course, not 100% of trades will be a winner, so please make sure you apply proper money management and risk management system.

    1. 1000pipbuilder (top choice)

    Fast track your success and follow the high-performance Forex signals from 1000pip Builder. These Forex signals are rated 5 stars on Investing.com, so you can follow every signal with confidence. All signals are sent by a professional trader with over 10 years investment experience. This is a unique opportunity to see with your own eyes how a professional Forex trader trades the markets.
    The 1000pip Builder Membership is ordinarily a signal service for Forex trading. You will get all the facts you need to successfully comply with the trading signals, set your stop loss and take earnings as well as additional techniques and techniques!
    You will get easy to use trading indicators for Forex Trades, including your entry, stop loss and take profit. Overall, the earnings target per months is 350 Pips, depending on your funding this can be a high profit per month! (In fact, there is by no means a guarantee, but the past months had been all between 600 – 1000 Pips).
    >>>Know more about 1000pipbuilder
    Your 1000pip builder membership gives you all in hand you want to start trading Forex with success. Read the directions and wait for the first signals. You can trade them inside your demo account first, so you can take a look at the performance before you make investments real money!
    Features:
    • Free Trial
    • Forex signals sent by email and SMS
    • Entry price, take profit and stop loss provided
    • Suitable for all time zones (signals sent over 24 hours)
    • MyFXBook verified performance
    • 10 years of investment experience
    • Target 300-400 pips per month
    Pricing:
    https://preview.redd.it/zjc10xx6ony51.png?width=668&format=png&auto=webp&s=9b0eac95f8b584dc0cdb62503e851d7036c0232b
    VISIT 1000ipbuilder here

    2. DDMarkets

    Digital Derivatives Markets (DDMarkets) have been providing trade alert offerings since May 2014 - fully documenting their change ideas in an open and transparent manner.
    September 2020 performance report for DD Markets.
    Their manner is simple: carry out extensive research, share their evaluation and then deliver a trading sign when triggered. Once issued, daily updates on the trade are despatched to members via email.
    It's essential to note that DDMarkets do not tolerate floating in an open drawdown in an effort to earnings at any cost - a common method used by less professional providers to 'fudge' performance statistics.
    Verified Statistics: Not independently verified.
    Price: plans from $74.40 per month.
    Year Founded: 2014
    Suitable for Beginners: Yes, (includes handy to follow trade analysis)
    VISIT
    -------

    3. JKonFX

    If you are looking or a forex signal service with a reliable (and profitable) music record you can't go previous Joel Kruger and the team at JKonFX.
    Trading performance file for JKonFX.
    Joel has delivered a reputable +59.18% journal performance for 2016, imparting real-time technical and fundamental insights, in an extremely obvious manner, to their 30,000+ subscriber base. Considered a low-frequency trader, alerts are only a small phase of the overall JKonFX subscription. If you're searching for hundreds of signals, you may want to consider other options.
    Verified Statistics: Not independently verified.
    Price: plans from $30 per month.
    Year Founded: 2014
    Suitable for Beginners: Yes, (includes convenient to follow videos updates).
    VISIT

    The importance of signals to invest in Forex

    Once we have known what Forex signals are, we must comment on the importance of these alerts in relation to our operations.
    As we have already told you in the previous paragraph, having a system of signals to be able to invest is quite advantageous, since, through these alerts, we will obtain quality information so that our operations end up being a true success.

    »Use of signals for beginners and experts

    In this sense, we have to say that one of the main advantages of Forex signals is that they can be used by both beginners and trading professionals.
    As many as others can benefit from using a trading signal system because the more information and resources we have in our hands. The greater probability of success we will have. Let's see how beginners and experts can take advantage of alerts:
    • Beginners: for inexperienced these alerts become even more important since they will thus have an additional tool that will guide them to carry out all operations in the Forex market.
    • Professionals: In the same way, professionals are also recommended to make use of these alerts, so they have adequate information to continue bringing their investments to fruition.
    Now that we know that both beginners and experts can use forex signals to invest, let's see what other advantages they have.

    »Trading automation

    When we dedicate ourselves to working in the financial world, none of us can spend 24 hours in front of the computer waiting to perform the perfect operation, it is impossible.
    That is why Forex signals are important, because, in order to carry out our investments, all we will have to do is wait for those signals to arrive, be attentive to all the alerts we receive, and thus, operate at the right time according to the opportunities that have arisen.
    It is fantastic to have a tool like this one that makes our work easier in this regard.

    »Carry out profitable Forex operations

    These signals are also important, because the vast majority of them are usually quite profitable, for this reason, we must get an alert system that provides us with accurate information so that our operations can bring us great benefits.
    But in addition, these Forex signals have an added value and that is that they are very easy to understand, therefore, we will have a very useful tool at hand that will not be complicated and will end up being a very beneficial weapon for us.

    »Decision support analysis

    A system of currency market signals is also very important because it will help us to make our subsequent decisions.
    We cannot forget that, to carry out any type of operation in this market, previously, we must meditate well and know the exact moment when we will know that our investments are going to bring us profits .
    Therefore, all the information provided by these alerts will be a fantastic basis for future operations that we are going to carry out.

    »Trading Signals made by professionals

    Finally, we have to recall the idea that these signals are made by the best professionals. Financial experts who know perfectly how to analyze the movements that occur in the market and changes in prices.
    Hence the importance of alerts, since they are very reliable and are presented as a necessary tool to operate in Forex and that our operations are as profitable as possible.

    What should a signal provider be like?

    https://preview.redd.it/j0ne51jypny51.png?width=640&format=png&auto=webp&s=5578ff4c42bd63d5b6950fc6401a5be94b97aa7f
    As you have seen, Forex signal systems are really important for our operations to bring us many benefits. For this reason, at present, there are multiple platforms that offer us these financial services so that investing in currencies is very simple and fast.
    Before telling you about the main services that we currently have available in the market, it is recommended that you know what are the main characteristics that a good signal provider should have, so that, at the time of your choice, you are clear that you have selected one of the best systems.

    »Must send us information on the main currency pairs

    In this sense, one of the first things we have to comment on is that a good signal provider, at a minimum, must send us alerts that offer us information about the 6 main currencies, in this case, we refer to the euro, dollar, The pound, the yen, the Swiss franc, and the Canadian dollar.
    Of course, the data you provide us will be related to the pairs that make up all these currencies. Although we can also find systems that offer us information about other minorities, but as we have said, at a minimum, we must know these 6.

    »Trading tools to operate better

    Likewise, signal providers must also provide us with a large number of tools so that we can learn more about the Forex market.
    We refer, for example, to technical analysis above all, which will help us to develop our own strategies to be able to operate in this market.
    These analyzes are always prepared by professionals and study, mainly, the assets that we have available to invest.

    »Different Forex signals reception channels

    They must also make available to us different ways through which they will send us the Forex signals, the usual thing is that we can acquire them through the platform's website, or by a text message and even through our email.
    In addition, it is recommended that the signal system we choose sends us a large number of alerts throughout the day, in order to have a wide range of possibilities.

    »Free account and customer service

    Other aspects that we must take into account to choose a good signal provider is whether we have the option of receiving, for a limited time, alerts for free or the profitability of the signals they emit to us.
    Similarly, a final aspect that we must emphasize is that a good signal system must also have excellent customer service, which is available to us 24 hours a day and that we can contact them at through an email, a phone number, or a live chat, for greater immediacy.
    Well, having said all this, in our last section we are going to tell you which are the best services currently on the market. That is, the most suitable Forex signal platforms to be able to work with them and carry out good operations. In this case, we will talk about ForexPro Signals, 365 Signals and Binary Signals.

    Forex Signals Reddit: conclusion

    To be able to invest properly in the Forex market, it is convenient that we get a signal system that provides us with all the necessary information about this market. It must be remembered that Forex is a very volatile market and therefore, many movements tend to occur quickly.
    Asset prices can change in a matter of seconds, hence the importance of having a system that helps us analyze the market and thus know, what is the right time for us to start operating.
    Therefore, although there are currently many signal systems that can offer us good services, the three that we have mentioned above are the ones that are best valued by users, which is why they are the best signal providers that we can choose to carry out. our investments.
    Most of these alerts are quite profitable and in addition, these systems usually emit a large number of signals per day with full guarantees. For all this, SignalsForexPro, Signals365, or SignalsBinary are presented as fundamental tools so that we can obtain a greater number of benefits when we carry out our operations in the currency market.
    submitted by kayakero to makemoneyforexreddit [link] [comments]

    How to prevent customer cancellations

    Customer retention is a goal every business owner should be obsessed with. At the end of the day it's cheaper to retain an existing customer than it is to acquire a new one.
    But how do you ensure that your customers keep using your service?
    Are there any simple, yet effective ways to reduce or even prevent churn?
    As it turns out there's one simple strategy you can use to keep your customers around even if they're about to leave your platform. Let's explore what it is and why it works.

    Why you should obsess over customer retention

    As already stated in the introduction it's important to focus on customer retention when building a sustainable business.
    Acquiring customers can be an expensive endeavour. If you're not (yet) in a position where your product grows through Word-of-Mouth you're likely spending a good portion of your revenue on paid ads and marketing to drive traffic to your service. Only a few of your thousands of visitors will eventually try your product and convert to become a paying customer.
    Optimizing this marketing and sales funnel is a tricky and costly activity. Think about it for a minute. Who finances your learnings and tweakings of such funnel? Correct, your existing customers.
    That's why keeping your users happy and around is one of the most important business objectives.

    Why customers are churning

    If you think about it, there's really only one reason why your customers are leaving your platform:
    Your product isn't a crucial part of their life anymore
    While this sounds harsh I'd like you to think about all the services you're currently subscribing to. Now imagine that you can only keep one. What would you cancel? Probably everything except the one you can't live without.
    Of course, the preferences are different from person to person and they change over time. And that's the exact reason why people cancel their subscription with your service: Their preferences have changed and they might want to take a pause from your service or need something else entirely.

    "Churn Baby Churn"

    Now that we know why your customers churn, it's time to get into their shoes and think about ways to keep them around.
    One of the "industry" standards is to send out a survey once they're about to leave to gather feedback and convince them to stay. Some services offer coupon codes if for example the user has clicked on the "it's too expensive" option in the survey.
    Other tactics are more on the "dark patterns" side of things. Hiding buttons, asking double negative questions or using other techniques to make it nearly impossible to leave. Needless to say that customers of businesses practicing such tactics aren't the ones who spread the word on how awesome the product is. Quite the opposite.
    But let's take a step back for a minute and ask ourselves why this "should I stay or should I go" question has to be binary in the first place. Isn't there something "right in the middle"? Something where a user can stay but somehow go at the same time?

    "Wait a minute... or a month..."

    The solution to this dilemma is dead simple and obvious, yet rarely used: Make it possible to pause the subscription.
    Yes, it's that simple. Just offer a way to pause a subscription and get back to it once your users current circumstances have changed.
    Now you might think that it's a really bad idea to let users pause their subscription. They'll pause and never come back. So essentially it's a "passive churn" as they haven't left the platform yet but might never use it again. The stale user data is sitting in the database and your dashboards are still showing hockey-stick growth. Furthermore it's a huge implementation effort as pausing and resuming subscriptions isn't something considered business critical and hence wasn't implemented just yet.
    Those are all valid concerns and some of them might turn out to be true even if you have a "pause- and resume your subscription" system in place. But let's take a seconds to look at the other side of the equation.

    Why pausing is a good idea

    They very first thing that comes to mind is the COVID-19 pandemic we're currently in. A lot of business scaled back and hence had to cancel subscriptions to their favorite SaaS tools to cut costs. A common "save the customer tactic" used here was to get in touch with the business owner and offer heavy discounted year long subscription plans. That way businesses could reassess if they should really quit and leave the huge discount on the table or just go with it and double down to benefit from the sweet, discounted multi-year subscription deal.
    Letting business put their subscription on hold would be another strategy that could be used to help retain and eventually reactivate your users during this pandemic. Put yourself into your customers shoes again for a minute. Wouldn't you want to pay it back in the future if your supplier lent you a helping hand and wasn't "forcing" you out the door?
    Even if your customers pause their account you still have their E-Mail address to reach out to them and keep them informed about your product. In fact you should use this opportunity to stay in touch, ask them how they're doing and providing something of value along the way. That way you keep the communication "warm" and your business stays on "their radar". There's a higher likelihood that they think about your service when times have changed and they're about to scale things up again.
    Having a way to pause a subscription is an action that's usually taken with some level of consideration. If your customer wants to quit (s)he'll just cancel the subscription anyway. Offering a way to pause for the time-being is another option your users might just not have right now, so they're forced to make a very binary decision and therefore they just quit.
    What you should also think about is that pausing a subscription doesn't necessarily mean that you'll lose revenue for sure. There are different and very creative ways in which you can implement the pause. My gym for example simply extends my membership for the amount of months I put my membership on hold. In the summer I make use of this feature since I do my workouts outside anyways. However those 3-4 months I "save" are simply "added" to my contract. I just have a little bit more control about how and where I spend my time with sports. You can get really creative here and invent other ways for this mechanism to work if you really want to ensure that you don't lose revenue.
    A last, important point is that you can use this functionality as a competitive advantage and "marketing material". Be sure to add the fact that people can pause their subscription to your list of product benefits. Add it to the copy right next to your "Subscribe Now" button. Addressing objections and concerns right before the call-to-action is about to happen will drastically increase your conversion rates.

    Things to keep in mind when going down that path

    Now you might be excited and eager to implement this strategy in the near future but before you do so I'd like to call out a couple of things you should keep in mind when implementing it.
    First of all: Keep it simple. There's no need to jump right into code and implement this functionality end-to-end. Do it manually in the beginning. Update the database records and the subscription plans for people who want to pause their subscription by hand. Maybe you find out that very few people want to make use of this feature. What you definitely want to put in place is your new copywriting. As discussed above you should ensure that your marketing website is updated and reflects the recent change you just introduced.
    Next up you want to have an automated follow-up E-Mail sequence / Drip campaign setup for pausing customers. Keep in touch. Ask for problems they had with your software and help them succeed in whatever they're up to right now. You might want to jump on a quick call to gather some feedback as to why they paused and understand what needs to be in place for them to come back. If you do this, please ensure that you're genuinely interested in the communication. There's nothing worse for a user than composing a reply and shooting the E-Mail into the marketing void.
    A very important, yet often overlooked step is to have a tool in place which deals with "passive churn". Such a system ensures that the credit cards on file are up to date and chargeable. There could be an overlap between your users pausing their subscription and their credit cards expiring. You don't want to make them look bad because of that. You could even think about a "concierge service" which onboards them in person once they'll come back. Combine this with a quick update on all the new features / updates they missed and are not yet familiar with.
    Lastly you absolutely don't want to make it hard for your users to pause their subscription. As mentioned above, avoid dark patterns at all costs. And more importantly: Don't penalize them for pausing. Messages such as "We'll retain your data for the next 60 days" are inappropriate in the day and age of "Big Data" and access to Petabytes of storage for a nickel and dime.

    Your challenge

    I'd like to challenge you to think about adding the possibility to pause a subscription. Is it suitable for your business? Would it help you retain and reactive more customers (especially in the current situation we're in)?
    If you're about to add it, keep in mind that it doesn't have to be complicated. Start with a simple E-Mail form your users can fill out to let you know for how long they want to pause. Just make sure that you follow the best practices outlined above and that you advertise that it's now possible for your customers to pause their subscriptions.

    Conclusion

    Customer retention is one of the most important metrics every business owner should focus on. It's the existing customers who finance the Customer Acquisition Costs that are necessary to bring new users into the door.
    It's almost always cheaper to keep your existing customers happy than to lose them and acquire brand new ones.
    Unfortunately a lot of SaaS services only offer a very binary option for their subscription plans. As a user you're either in or you're out. You stay or you leave. But what if a user wants to take a pause for a few months because of current changes in life circumstances?
    Offering a way to pause a subscription is a simple, yet effective way to retain and eventually reactive your existing customers. Remember that a pause is temporary. If you follow-up with them on a continuous basis and help them succeed they'll eventually come back. Maybe even as a raving, more loyal fan of your brand.
    I hope that you enjoyed this article and I'd love to invite you to subscribe to my Newsletter if you're interested in more, action-oriented posts like this.
    Do you have any questions, feedback or comments? Feel free to reach out via E-Mail or connect with me on Twitter.
    This post was originally published on philippmuens.com
    submitted by pmuens to indiebiz [link] [comments]

    How to prevent customer cancellations

    Customer retention is a goal every business owner should be obsessed with. At the end of the day it's cheaper to retain an existing customer than it is to acquire a new one.
    But how do you ensure that your customers keep using your service?
    Are there any simple, yet effective ways to reduce or even prevent churn?
    As it turns out there's one simple strategy you can use to keep your customers around even if they're about to leave your platform. Let's explore what it is and why it works.

    Why you should obsess over customer retention

    As already stated in the introduction it's important to focus on customer retention when building a sustainable business.
    Acquiring customers can be an expensive endeavour. If you're not (yet) in a position where your product grows through Word-of-Mouth you're likely spending a good portion of your revenue on paid ads and marketing to drive traffic to your service. Only a few of your thousands of visitors will eventually try your product and convert to become a paying customer.
    Optimizing this marketing and sales funnel is a tricky and costly activity. Think about it for a minute. Who finances your learnings and tweakings of such funnel? Correct, your existing customers.
    That's why keeping your users happy and around is one of the most important business objectives.

    Why customers are churning

    If you think about it, there's really only one reason why your customers are leaving your platform:
    Your product isn't a crucial part of their life anymore
    While this sounds harsh I'd like you to think about all the services you're currently subscribing to. Now imagine that you can only keep one. What would you cancel? Probably everything except the one you can't live without.
    Of course, the preferences are different from person to person and they change over time. And that's the exact reason why people cancel their subscription with your service: Their preferences have changed and they might want to take a pause from your service or need something else entirely.

    "Churn Baby Churn"

    Now that we know why your customers churn, it's time to get into their shoes and think about ways to keep them around.
    One of the "industry" standards is to send out a survey once they're about to leave to gather feedback and convince them to stay. Some services offer coupon codes if for example the user has clicked on the "it's too expensive" option in the survey.
    Other tactics are more on the "dark patterns" side of things. Hiding buttons, asking double negative questions or using other techniques to make it nearly impossible to leave. Needless to say that customers of businesses practicing such tactics aren't the ones who spread the word on how awesome the product is. Quite the opposite.
    But let's take a step back for a minute and ask ourselves why this "should I stay or should I go" question has to be binary in the first place. Isn't there something "right in the middle"? Something where a user can stay but somehow go at the same time?

    "Wait a minute... or a month..."

    The solution to this dilemma is dead simple and obvious, yet rarely used: Make it possible to pause the subscription.
    Yes, it's that simple. Just offer a way to pause a subscription and get back to it once your users current circumstances have changed.
    Now you might think that it's a really bad idea to let users pause their subscription. They'll pause and never come back. So essentially it's a "passive churn" as they haven't left the platform yet but might never use it again. The stale user data is sitting in the database and your dashboards are still showing hockey-stick growth. Furthermore it's a huge implementation effort as pausing and resuming subscriptions isn't something considered business critical and hence wasn't implemented just yet.
    Those are all valid concerns and some of them might turn out to be true even if you have a "pause- and resume your subscription" system in place. But let's take a seconds to look at the other side of the equation.

    Why pausing is a good idea

    They very first thing that comes to mind is the COVID-19 pandemic we're currently in. A lot of business scaled back and hence had to cancel subscriptions to their favorite SaaS tools to cut costs. A common "save the customer tactic" used here was to get in touch with the business owner and offer heavy discounted year long subscription plans. That way businesses could reassess if they should really quit and leave the huge discount on the table or just go with it and double down to benefit from the sweet, discounted multi-year subscription deal.
    Letting business put their subscription on hold would be another strategy that could be used to help retain and eventually reactivate your users during this pandemic. Put yourself into your customers shoes again for a minute. Wouldn't you want to pay it back in the future if your supplier lent you a helping hand and wasn't "forcing" you out the door?
    Even if your customers pause their account you still have their E-Mail address to reach out to them and keep them informed about your product. In fact you should use this opportunity to stay in touch, ask them how they're doing and providing something of value along the way. That way you keep the communication "warm" and your business stays on "their radar". There's a higher likelihood that they think about your service when times have changed and they're about to scale things up again.
    Having a way to pause a subscription is an action that's usually taken with some level of consideration. If your customer wants to quit (s)he'll just cancel the subscription anyway. Offering a way to pause for the time-being is another option your users might just not have right now, so they're forced to make a very binary decision and therefore they just quit.
    What you should also think about is that pausing a subscription doesn't necessarily mean that you'll lose revenue for sure. There are different and very creative ways in which you can implement the pause. My gym for example simply extends my membership for the amount of months I put my membership on hold. In the summer I make use of this feature since I do my workouts outside anyways. However those 3-4 months I "save" are simply "added" to my contract. I just have a little bit more control about how and where I spend my time with sports. You can get really creative here and invent other ways for this mechanism to work if you really want to ensure that you don't lose revenue.
    A last, important point is that you can use this functionality as a competitive advantage and "marketing material". Be sure to add the fact that people can pause their subscription to your list of product benefits. Add it to the copy right next to your "Subscribe Now" button. Addressing objections and concerns right before the call-to-action is about to happen will drastically increase your conversion rates.

    Things to keep in mind when going down that path

    Now you might be excited and eager to implement this strategy in the near future but before you do so I'd like to call out a couple of things you should keep in mind when implementing it.
    First of all: Keep it simple. There's no need to jump right into code and implement this functionality end-to-end. Do it manually in the beginning. Update the database records and the subscription plans for people who want to pause their subscription by hand. Maybe you find out that very few people want to make use of this feature. What you definitely want to put in place is your new copywriting. As discussed above you should ensure that your marketing website is updated and reflects the recent change you just introduced.
    Next up you want to have an automated follow-up E-Mail sequence / Drip campaign setup for pausing customers. Keep in touch. Ask for problems they had with your software and help them succeed in whatever they're up to right now. You might want to jump on a quick call to gather some feedback as to why they paused and understand what needs to be in place for them to come back. If you do this, please ensure that you're genuinely interested in the communication. There's nothing worse for a user than composing a reply and shooting the E-Mail into the marketing void.
    A very important, yet often overlooked step is to have a tool in place which deals with "passive churn". Such a system ensures that the credit cards on file are up to date and chargeable. There could be an overlap between your users pausing their subscription and their credit cards expiring. You don't want to make them look bad because of that. You could even think about a "concierge service" which onboards them in person once they'll come back. Combine this with a quick update on all the new features / updates they missed and are not yet familiar with.
    Lastly you absolutely don't want to make it hard for your users to pause their subscription. As mentioned above, avoid dark patterns at all costs. And more importantly: Don't penalize them for pausing. Messages such as "We'll retain your data for the next 60 days" are inappropriate in the day and age of "Big Data" and access to Petabytes of storage for a nickel and dime.

    Your challenge

    I'd like to challenge you to think about adding the possibility to pause a subscription. Is it suitable for your business? Would it help you retain and reactive more customers (especially in the current situation we're in)?
    If you're about to add it, keep in mind that it doesn't have to be complicated. Start with a simple E-Mail form your users can fill out to let you know for how long they want to pause. Just make sure that you follow the best practices outlined above and that you advertise that it's now possible for your customers to pause their subscriptions.

    Conclusion

    Customer retention is one of the most important metrics every business owner should focus on. It's the existing customers who finance the Customer Acquisition Costs that are necessary to bring new users into the door.
    It's almost always cheaper to keep your existing customers happy than to lose them and acquire brand new ones.
    Unfortunately a lot of SaaS services only offer a very binary option for their subscription plans. As a user you're either in or you're out. You stay or you leave. But what if a user wants to take a pause for a few months because of current changes in life circumstances?
    Offering a way to pause a subscription is a simple, yet effective way to retain and eventually reactive your existing customers. Remember that a pause is temporary. If you follow-up with them on a continuous basis and help them succeed they'll eventually come back. Maybe even as a raving, more loyal fan of your brand.
    I hope that you enjoyed this article and I'd love to invite you to subscribe to my Newsletter if you're interested in more, action-oriented posts like this.
    Do you have any questions, feedback or comments? Feel free to reach out via E-Mail or connect with me on Twitter.
    This post was originally published on philippmuens.com
    submitted by pmuens to Entrepreneurship [link] [comments]

    Ender 3, 32bit 4.2.2 board, Marlin 2.0.6.1, SD card vs Octoprint.

    TL/DR ... you can compile your own firmware for the new 32 bit board on the Ender3,Pro and X, but its not straighforward.
    Sorry for the long convoluted title, I have went down the rabbit hole that is Marlin firmware compiling with VSCode and PlatformIO and hope this experience helps others because there is a serious lack of useful information out there. Thanks to u/Deoxarn, we have been troubleshooting this over PM extensively the past couple of days.
    It Begins
    It all started with a discussion around thermal runaway and the original Creality v0.0.5 firmware that shipped with the new 32bit boards on the Ender 3, Ender 3 Pro and Ender 3x. I am not one to usually be in a hurry to install new firmware but in this instance it seemed like a wise thing to do to ensure thermal runaway protection was enabled, which it is not on the 0.0.5 Creality stock firmware (or maybe it is, but I can't find their source code so I assume it is not). Tried Creality's 1.0.1 firmware which messes up pauses but otherwise works fine, but no source code so I am not sure what is enabled and what isn't.
    Compile Time
    So this took me to compiling my own. Download Marlin 2.x and the latest config files for Creality Ender3 Pro V1.5 (good for Ender3, Ender3Pro and Ender3X). Copy over the Configuration.h and Configuration_adv.h to the Marlin folder. Enabled Mesh Levelling as an option, change printer name to Ender 3 and ensure the stock CR-10 type of display. Entered the right board in platformio.ini and all good, compile worked with a nice bin file for 2.0.6.1. Pretty much followed ruiraptors video on youtube except for enabling mesh leveling. I won't recreate the howto here, watch his video at the link further down.
    Problems
    This is where the fun starts, after flashing I try to do a bed level and the printer gives a god awful sound when the extruder tried to move with a Homing Failed error, so I shut it off asap. I think it was the sound of the belt skipping but I am not sure. After turning off the printer and restarting, re initiating the bed level works this time. I have reinstalled the firmware at least 6 times and every time the first crack at levelling results in the awful noise. It's ok after stopping and restarting the printer. However when you save the settings they are saved to EEPROM on the SD and not the printer. You cannot remove the SD at all or you get SD init errors.
    Seems as though as long as I keep the SD in there I am fine. I was able to level the bed with mesh levelling, store the settings and then print a calibration cube. Turned the printer back on and off with the sd card in and was able to print a second calibration cube.
    Removed the SD card and tried to initiate bed leveling again and it worked. (Why? Where did it read settings?) Reinsert SD card and initiate bed level, it still worked
    Removed card and tried connecting to Octoprint. Connects fine, try to print the calibration cube and the awful skipping noise returned and the homing error. Reinsert card right away and reconnect to Octoprint to try the calibration cube and everything works again.
    Overall thoughts
    I feel a little better about having thermal runaway enabled. I seem to have Octoprint running fine as long as I keep the SD card with the saved config. Whatever happens with Octoprint down the line I know I can print with the SD card and that is good enough if it has to be.
    TH3D Firmware
    Anxious to try the firmware from TH3D which they are working on. I am hoping it resolves any further issues and gives a cleaner outcome from the get go, I will test it for sure.
    Ruiraptors compile instructions
    Credit to ruiraptor for at least providing a clear video on the process for compiling your own https://www.youtube.com/watch?v=kFRy_5lh2IQ Videos are not my favorite install instruction format, but its something and it works. Big thanks to him for that.
    Marlin
    Kudos to the Marlin folks for their great software. Any type of troubleshooting is fruitless without the code.
    Creality
    The whole process to compile your own the first time is brutal. After doing it half a dozen times you can do it in your sleep, but really Creality should have done all this before releasing the board. They should release up to date working software with their hardware, but at least its open source so that's good, you have a hope in hell of fixing it yourself as opposed to if this was some closed binary. So thanks anyway to Creality to allow us to tinker...but really release working binaries and please announce before hand when you change components in your printers.
    Finally
    Maybe I missed a crucial step somewhere that caused me all of these problems, but whatever, now I am going to try and print stuff, which is why I bought this thing in the first place :-)
    submitted by alaudet to ender3 [link] [comments]

    MAME 0.222

    MAME 0.222

    MAME 0.222, the product of our May/June development cycle, is ready today, and it’s a very exciting release. There are lots of bug fixes, including some long-standing issues with classics like Bosconian and Gaplus, and missing pan/zoom effects in games on Seta hardware. Two more Nintendo LCD games are supported: the Panorama Screen version of Popeye, and the two-player Donkey Kong 3 Micro Vs. System. New versions of supported games include a review copy of DonPachi that allows the game to be paused for photography, and a version of the adult Qix game Gals Panic for the Taiwanese market.
    Other advancements on the arcade side include audio circuitry emulation for 280-ZZZAP, and protection microcontroller emulation for Kick and Run and Captain Silver.
    The GRiD Compass series were possibly the first rugged computers in the clamshell form factor, possibly best known for their use on NASA space shuttle missions in the 1980s. The initial model, the Compass 1101, is now usable in MAME. There are lots of improvements to the Tandy Color Computer drivers in this release, with better cartridge support being a theme. Acorn BBC series drivers now support Solidisk file system ROMs. Writing to IMD floppy images (popular for CP/M computers) is now supported, and a critical bug affecting writes to HFE disk images has been fixed. Software list additions include a collection of CDs for the SGI MIPS workstations.
    There are several updates to Apple II emulation this month, including support for several accelerators, a new IWM floppy controller core, and support for using two memory cards simultaneously on the CFFA2. As usual, we’ve added the latest original software dumps and clean cracks to the software lists, including lots of educational titles.
    Finally, the memory system has been optimised, yielding performance improvements in all emulated systems, you no longer need to avoid non-ASCII characters in paths when using the chdman tool, and jedutil supports more devices.
    There were too many HyperScan RFID cards added to the software list to itemise them all here. You can read about all the updates in the whatsnew.txt file, or get the source and 64-bit Windows binary packages from the download page.

    MAME Testers Bugs Fixed

    New working machines

    New working clones

    Machines promoted to working

    Clones promoted to working

    New machines marked as NOT_WORKING

    New clones marked as NOT_WORKING

    New working software list additions

    Software list items promoted to working

    New NOT_WORKING software list additions

    submitted by cuavas to emulation [link] [comments]

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