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Friday, 15 Oct 21 - Tux Machines is a community-driven public service/news site which has been around for over a decade and a half and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Quick Roundup

Type Title Author Replies Last Postsort icon
Story 10 Best Free and Open Source Linux Comic Book Viewers Rianne Schestowitz 14/10/2021 - 9:08am
Story today's leftovers Roy Schestowitz 14/10/2021 - 9:07am
Story Kernel: Google, Red Hat, and Microsoft Roy Schestowitz 14/10/2021 - 8:48am
Story IBM/Red Hat and SUSE Leftovers Roy Schestowitz 14/10/2021 - 8:31am
Story Proprietary Software Leftovers Roy Schestowitz 14/10/2021 - 8:03am
Story Audio/Video: Ubuntu 21.10, TLLTS, and More Roy Schestowitz 14/10/2021 - 7:59am
Story Kernel and Browser Updates in PCLinuxOS Roy Schestowitz 6 14/10/2021 - 7:54am
Story today's howtos Roy Schestowitz 14/10/2021 - 7:49am
Story DragonFly 6.0.1 released Roy Schestowitz 14/10/2021 - 2:36am
Story Games: Punk Wars, Fallout 3 and More Roy Schestowitz 14/10/2021 - 2:06am

Games: Building a Retro Linux Gaming Compute, Book of Travels, and The Room

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  • Building a Retro Linux Gaming Computer - Part 7: The Arena Eternal | GamingOnLinux

    When I was growing up, one of my first exposures to Linux was my father’s stack of old Linux Journal magazines. Printed in several of these was one of many advertisements by the Linux server company Penguin Computing, this one depicting Linux mascot Tux brandishing a rocket launcher in the iconic Q3DM7 map included in the demo version of Quake III Arena. This image became so emblematic of Linux as a gaming platform that it still gets widely circulated to this day.

    When I switched to using Linux full time in the spring of 2007 one of my first accomplishments was getting that same demo to install. I remember being frustrated at not having it work on first launch, until I discovered I had to copy my system's file to the install directory, one last caveat brought on by the need to support both 3dfx as well as more generic OpenGL accelerator hardware. From that moment on, my Linux box became a gaming machine.

    It was not until later that I would discover the full effect Quake III Arena had on the Linux ecosystem by downloading and playing the numerous derivative games created from the 2005 source code release available in almost all Linux software repositories. Even with all of those other options it was the original game I always found myself coming back to, with my main listed frag count now exceeding 21,000 frags as of the time of this writing.

  • Book of Travels is a thoroughly strange take on an online RPG now in Early Access | GamingOnLinux

    Might and Delight has just released Book of Travels, an online RPG played they're calling a "TMORPG" meaning Tiny Multiplayer Online RPG and it's quite something. Note: personal purchase.

    The idea is that instead of joining a server with thousands of people, you're given a world where you might come across a few others instead but not too many. Right now the total per server is only seven people, so you're lucky if you even see anyone and in a way it makes it a bit more exciting. Compared with other online RPGs, it's a much more solitary experience and one you can quite easily relax in.

  • How to play The Room on Linux

    The Room is a puzzle game developed by Fireproof Games. In the game, the player is challenged to figure out how to open each locked room through a series of puzzles. Here’s how to play The Room on your Linux PC.

Gaming on Fedora

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Red Hat

Gaming is a beautiful hobby that many people are engaging with. Across all demographics people are busy creating their own digital farms, working together in combat, or simply socializing while maintaining a space-ship, free of impostors. All of this can be done on Fedora Linux. And while it doesn’t have a name for being flashy, looks can be deceiving. Keep reading to find out how you can play the latest video games on Fedora Linux.

With its mission statement emphasizing features and innovation, Fedora is often on the forefront of embracing new technologies, the latest Linux kernels and the latest drivers. All without sacrificing stability or reliability. Fedora won’t cripple itself in an attempt to be first, but it will certainly try to lead by example.

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Seahorse: Manage Your Passwords & Encryption Keys in Linux

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We often tend to ignore many default/pre-installed applications, especially when numerous tools and utilities are baked in.

One such helpful tool that you can use on various Linux distributions is GNOME’s Seahorse.

What do you think about using Seahorse to replace other password managers? Were you already using it to manage encryption keys? Let me know your thoughts in the comments below.

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Matrix Chat Adoption by Community in 2021

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Free Software Community is a worldwide society consisted of so many software projects, companies and other organizations. In this community you find Ubuntu, GNU and Linux, LibreOffice, Red Hat and Purism among others. This is our community. Today, we have Matrix Chat, a new public telecommunication facility accessible for everyone, a new technology born from our Community itself. With Matrix Chat, a community can provide an independent, free group chat and video calls for public to join and engage in discussion, publication, and conference. Matrix Chat has been successfully used even for international online conference with 30 thousands attendees. To foster adoption of Matrix Chat, this article lists out several important communities which adopted it so everyone can learn from them and consider to follow.

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FreedomBox: A personal server for Privacy and Security

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Over the next couple of weeks this blog will be a "living attempt" to acquaint people with the functionality and setup of a personal FreedomBox Internet server that is suitable for supporting one person or a community of people.

In addition to helping people in setting up the basic FreedomBox software, as time allows I will be expanding this blog entry to install some of the useful functionality inside of FreedomBox and additional functionality that can not really be distributed preconfigured with the distribution.

FreedomBox can be set up on a variety of hardware and operating system scenarios but a lot of people buy a single board computer such as the official FreedomBox Pioneer from Olimex, a company in Bulgaria that specializes in Open Hardware and is an official partner of FreedomBox, a 501(c)3 non-profit.

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RIP Jörg Schilling

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He is also remembered for his commitment to open source, portability,
and his work on POSIX. He was working on adapting his software to
Z/OS and introducing message catalogues just weeks before his death.

Jörg worked for the Bethold typesetting company, one of the first
European customers of SUN microsystems. It is there that his love
for UNIX and SUN OS in particular was kindled. [1]

His interest in SUN OS culminated in Schillix, one of the first
open source Solaris distributions.

We will of course also remember him for his flames.

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today's leftovers

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  • TuxCare launches open source database live patching | ZDNet

    Patching database software is often a real pain-in-the-rump. The reason? Easy. When you need to patch one, it almost always requires a reboot. That takes time, sometimes a lot of time. So, so matter when you time it, your users will not be happy. Now TuxCare has an answer: DatabaseCare. This live patching service for the most popular open-source enterprise-grade databases, MySQL, MariaDB, and PostgreSQL enables you to patch database management systems (DBMS) with no downtime.

  • Qt Sensors in Qt 6.2

    The Qt Sensors module provides access to sensor devices such as accelerometer and gyroscope. The logical architecture separates the concrete sensor types (“accelerometer”) from the platforms providing them (“Android”). This is illustrated by the Figure below:

  • Clean up your Git repository with this Linux tool | Enable Sysadmin

    Git is an amazing tool for tracking all your changes and reverting them if necessary. While Git is perfect, people are not. So, if you send something by mistake to your repo, like a build file, temporary folder, your cache, and so forth, Git will store it because it can't predict when you make mistakes.

    You can, of course, remove files with the git rm command. Git will remove the file but keep it available in case you need it later. However, if you do this often enough, you end up with what I call a bloated Git repository. It isn't enough to clean up your repo; you also need to remove sensitive files that you could accidentally send to someone.

  • Translators team: Reaching more people in their native language

    Since the founding of the organisation in 2001 the FSFE's translators team has been an important part of the FSFE. The translations made by the translators team have enabled people all across Europe to learn and read about software freedom and the FSFE's mission to empower users to control technology. Translations from English to another language enable people who are not fluent in English to read, learn, and participate in Free Software. Without the help of our translators team, this would not have been possible.

    For the last 20 years the FSFE's translators team has been working on translating the FSFE's statements, news items, activities, campaigns, and background information. The first translation for our website, which is today no longer available on the website, was made in 2001 by translating the "Volunteers welcome" text to French. Later the "Volunteers welcome" text became our contribute page. In 2004, with the move from to our own infrastructure, the then translation coordinator, Reinhard Müller, launched the first general information page about the translators team and the translation process. Since then a lot has happened.

  • Godot Engine - Please help us reach our second Patreon goal so we can hire karroffel part-time!

    Edit: When this post was written we were slightly below our second goal of $4,500 - thanks to a soon-to-be-announced Platinum sponsor, we already reached this second goal and are well on our way to the third one! More infos on our plans for this third goal soon.


    The few experienced developers in these areas are working for big companies and under strict contracts, non competes and NDAs, so it's very difficult for them to lend a hand even if they wanted.

  • A Simple OpenPGP API

    In this post I want to share how easy it is to use OpenPGP using the Stateless OpenPGP Protocol (SOP).

    I talked about the SOP specification and its purpose and benefits already in past blog posts. This time I want to give some in-depth examples of how the API can be used in your application.

    There are SOP API implementations available in different languages like Java and Rust. They have in common, that they are based around the Stateless OpenPGP Command Line Specification, so they are very similar in form and function.

    For Java-based systems, the SOP API was defined in the sop-java library. This module merely contains interface definitions. It is up to the user to choose a library that provides an implementation for those interfaces. Currently the only known implementation is pgpainless-sop based on PGPainless.

  • Linux for Starters: Your Guide to Linux – Running VirtualBox - Part 20 - LinuxLinks

    This is a series that offers a gentle introduction to Linux for newcomers.

    In computing, virtualization refers to the act of creating a virtual version of something, including virtual computer hardware platforms, storage devices, and computer network resources.

    We will walk you through setting up a virtual machine running openSUSE. The words host and guest distinguish the software running on the machine from the software that runs on the virtual machine. For the purpose of this article, the host machine is running Ubuntu, the guest machine is openSUSE.

    Software like VirtualBox allocates parts of the CPU, RAM, storage disk, and other components so that a virtual machine can use them to run properly. The virtual OS thinks that it’s running on a real system, but it runs just like any other program on your computer.

    VirtualBox has a wide variety of uses. For a newcomer to Linux it lets them test a variety of different distros without messing up their existing setup. Think of the operating system running in a safe, sandboxed environment,.

    With virtualization, you want as much RAM as possible, as you need RAM for the host operating system and the guest(s) operating systems. While 8GB is sufficient for many desktop uses, it’s insufficient for virtualization. We only recommend using VirtualBox if your machine has more than 8GB of RAM. The faster and more powerful your PC, the more that virtualization offers.

  • Largest Open-source and Linux Technology User Group in North America launches at, led by veteran internet entrepreneur Jeffrey Peterson

    On September 11, 2021, the largest Open-source and Linux Technology User Group in North America launched at, led by veteran internet entrepreneur Jeffrey Peterson.

  • Linux OS Market to Rise at 19.2% CAGR till 2027

    The global Linux Operating System market size is projected to reach USD 15.64 billion by the end of 2027. The increasing product applications across diverse industry verticals will bode well for market growth. According to a report published by Fortune Business Insights, titled “Linux Operating System Market Size, Share & Covid-19 Impact Analysis, By Distribution (Virtual Machines, Servers and Desktops), By End-use (Commercial/Enterprise and Individual), and Regional Forecast, 2020-2027,” the market was worth USD 3.89 billion in 2019 and will exhibit a CAGR of 19.2% during the forecast period, 2020-2027.

  • The Kubuntu Focus Team Announces the Third-Generation M2 Linux Mobile Workstation

    The Kubuntu Focus Team announces the availability of the third-generation M2 Linux mobile workstation with multiple performance enhancements. RTX 3080 and RTX 3070 models are in stock now. RTX 3060 models can be reserved now and ship in the first week of November.

    The thin-and-light M2 laptop is a superb choice for anyone looking for the best out-of-the-box Linux experience with the most powerful mobile hardware. Customers include ML scientists, developers, and creators. Improvements to the third generation include...

SageMath: free open-source mathematic software

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SageMath is a free open-source mathematic software for mathematicians, data scientists and statisticians.

It is built on top of many mathematic python packages.

SageMath features include animated graphs, interactive plots, portable version that works directly from USB stick, interactive Python interface, notebook, rich documentation and more.

SageMath is an ideal solution for education as it aims for high-level student.

SageMath is faster than other open-source software doing the same calculations, like Mathematica 7.

It is proven to be faster by 32% on Linux (Intel 32bit), and 40% faster on macOS. You can read more about this in SageMath benchmarks.

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Devices: RAKwireless, IBASE, Raspberry Pi, Arduino

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  • RAK introduces Raspberry Pi RP2040 based LoRaWAN core, more Wisblock modules - CNX Software

    RAKwireless has just launched the RAK11310 WisBlock LPWAN Module with Raspberry Pi RP2040 MCU and LoRaWAN connectivity, as announced after launching 14 new WisBlock modules for IoT prototyping last July.

    The RAK11310 module was introduced as part of the “Just Track It RAK Autumn Launch 2021” event together with the smallest WisBlock Base Board so far, as well as 11 new Wisblock modules which bring the total to 47 modules.

  • IBASE launches 3.5-inch SBC with AMD Ryzen Embedded V2000 processor - CNX Software

    We’ve covered plenty of AMD Ryzen Embedded V2000 SBCs in the past, but it appears IBASE IB952 might be the first 3.5-inch SBC with a Ryzen V2000 processor for the industrial and IoT markets.

    The board supports up to 64GB RAM, offers two SATA III ports for storage, dual Gigabit Ethernet networking, four display outputs with DisplayPort, eDP and LVDS interfaces, USB and serial ports, as well as expansion through two M.2 sockets.

  • Raspberry Pi Weekly Issue #372 - Meet

    We missed you the last couple of weeks so it’s a bumper issue today. Our big news is the launch of we have a super new website where we hope you’ll find it easy to get to all you need to know about Raspberry Pi computers and our other products. Continue to find free resources, coding clubs, and educational support from the Raspberry Pi Foundation at

  • Arduino Becomes Superhet With A Little Help From Friends | Hackaday

    A radio receiver is always a fun project. [Jayakody2000lk] decided that his new superheterodyne design would use an Arduino and it looks like it came out very nicely. The system has four boards. An off-the-shelf Arduino, a Si5351 clock generator board (also off-the-shelf), and two custom boards that contain the IF amplifier and mixer.

    The receiver started out in 2015 without the Arduino, and there’s a link in the post to that original design. Using the Si5351 and the Arduino replaces the original local oscillator and their have been other improvements, as well. You can see a video about the receiver below.

    Tuning is by a rotary encoder and the current software lets you tune from about 4.75 MHz to a little over 15.8 MHz. Of course, you could change to any frequency the Si5351 can handle as long as the mixer and other components can handle it. The IF frequency is the usual 455 kHz.

Kernel: ACP, EROFS, and More

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  • AMD Publishes New Linux Audio Driver Code For Yellow Carp / ACP6x Audio Co-Processor - Phoronix

    It was just with Linux 5.15 last month that AMD added a new audio driver for Van Gogh APUs sporting an ACP 5.x audio co-processor (ACP) while now a new driver has been posted for Yellow Carp / Rembrandt with it introducing new ACP 6.x audio co-processor IP.

    AMD engineers have been busy the past few months bringing up "Yellow Carp" under Linux that appears at this point to be the Linux codename for the forthcoming Ryzen 6000 series "Rembrandt" APUs. On top of all the graphics driver work and other Linux kernel driver support patches so far, new audio code came out on Monday morning.

  • EROFS File-System Adding LZMA Compression Support Via New MicroLZMA - Phoronix

    The EROFS read-only file-system is adding LZMA compression support using a new header/container format called MicroLZMA.

    This MicroLZMA format was developed in cooperation with XZ developer Lasse Collin to avoid wasting small amounts of space for headers. MicroLZMA also has possible use-cases outside of EROFS.

  • More Optimizations Has Linux Approaching 7M IOPS Per Core - Phoronix

    Linux block subsystem maintainer and IO_uring lead developer Jens Axboe continues making staggering optimizations to the kernel code to squeeze out the maximum performance potential out of his shiny new system.

    After upgrading to an AMD Ryzen 9 5950X system for development and keeping to his Intel Optane Gen2 storage, he ended September being able to achieve around 5.1M IOPS per-core for this system he uses for reference testing and evaluation of Linux block subsystem changes. That 5.1M IOPS per-core is impressive while previously he was happy hitting above 3M IOPS per-core.

M5Stack UnitV2 AI module gets USB camera and M12 camera versions

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M5Stack UnitV2 is an ultra-compact Linux AI camera powered on Sigmastar SSD202D SoC with a dual-core Cortex-A7 processor @ 1.2 GHz, and 128MB on-chip DDR3 that was launched in April 2021 with a Full HD camera featuring a 68° field-of-view.

M5Stack has now introduced two new models, one called M5Stack UnitV2 USB without any camera at all, instead relying on an external USB UVC camera, and the other named M5Stack UnitV2 M12 equipped with an M12 socket and shipping with both a normal focal length camera with an 85° FoV and wide-angle focal length with a 150° FoV.

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Top 10 Open-source Zapier/IFTTT alternatives

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Many question in the automation world comes, the most question that comes up a lot more than any question is which tool should I use to automate my processes?

The answer depends on what you are trying to do? But in general IFTTT is more for personal stuff and Zapier is more for business.

With IFTTT, we have got the Alexa devices, speakers, and light bulbs fully automated.

However, Zapier's helps you to connect your apps and automate workflows and data exchange among these apps. As an example, automate your posts to Twitter and Facebook or even automate your Instagram process (posts, likes, comments).

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Ubuntu 19.10 To 21.10: AMD Zen 2 + Radeon Performance On Linux Over Two Years

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With Ubuntu 21.10 due for release this week I've been running various Ubuntu Linux performance comparisons across a variety of hardware and overall this new release is looking to be in great shape. One of the tests I recently carried out for curiosity is seeing how the AMD Zen 2 performance has evolved now over the past two years on Linux going from Ubuntu 19.10 to Ubuntu 21.10.

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Geany 1.38 Lightweight Code Editor is Out, Removes GTK+2 Support

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Geany is a code editor which uses GTK+ toolkit. The new version, Geany 1.38, comes with increased speed when opening documents.

Every developer who spends hours in front of a computer screen writing codes, absolutely needs an editor to program. Whether we want to program a web page, an application or a program, we must use a tool that allows us to edit the code, modify it and work with it.

Geany is a powerful, stable, and lightweight code editor with certain basic features of an Integrated Development Environment (IDE). It is an open source cross platform editor that is designed specifically for programmers thanks to its built-in support for over 50 programming languages. In addition, with Geany you can perform functions such as syntax highlighting and autocompletion.

Now that a new version has been announced, let?s see what has changed in Geany.

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IBM/Red Hat Leftovers

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Red Hat
  • How automation strategy can help you retain IT talent | The Enterprisers Project

    Seasonal changes often trigger times of reflection. So does weathering the ups and downs of the COVID pandemic: We went from seeing no end in sight, to seeing the possible end of the pandemic, to “it’s complicated,” particularly with workforces distributed around the globe in different stages of quarantine.

    Many leaders and their teams have gone from in-office work to 100 percent remote work to a mix of both with hybrid work. Meanwhile, the job market has become so hot that some are calling it the Great Resignation. In the public sector, many employees who have been eligible for retirement for years are now accelerating their retirement plans.

    As time goes on, we’re seeing that a Great Resignation is really an outcome of what is being called the Great Reprioritization, in which employees are pausing to reflect and reprioritize what’s most meaningful to them personally and professionally.

    Our team members are reprioritizing based on meaning and purpose, and we need to help them on that journey if we want to keep them.

  • Digital transformation: 4 excuses to leave behind | The Enterprisers Project

    For business leaders who have ever struggled with whether or not to embrace digital transformation, the pandemic made that decision easier. Just as nobody predicted COVID-19, nobody anticipated the changes it would bring to organizations across all industries.

    Organizations that were not prepared for the sudden pause in operations and subsequent challenges – including limited in-person contact, remote working, and paper-based processes digitally – struggled to survive. Meanwhile, digital organizations were able to adapt to the changing requirements with speed and agility.

    The pandemic not only made enterprises realize the importance of planning for the unexpected, but it also made a strong case for accelerating digital transformation. It left no room for the excuses that some business leaders used to delay their technology investments.

  • Firefox 93 on POWER

    Firefox 93 is out, though because of inopportune scheduling at my workplace I haven't had much time to do much of anything other than $DAYJOB for the past week or so. (Cue Bill Lumbergh.) Chief amongst its features is AVIF image support (from the AV1 codec), additional PDF forms support, blocking HTTP downloads from HTTPS sites, new DOM/CSS/HTML support (including datetime-local), and most controversially Firefox Suggest, which I personally disabled since it gets in the way. I appreciate Mozilla trying to diversify its income streams, but I'd rather we could just donate directly to the browser's development rather than generally to Mozilla.

  • Quarkus for Spring developers: Kubernetes-native design patterns

    Want to learn more about developing applications with Quarkus? Download our free e-book Quarkus for Spring Developers, which helps Java developers familiar with Spring make a quick and easy transition.

    Microservice applications designed today are often deployed on a platform such as Kubernetes. This platform can orchestrate the deployment and management of containerized microservices. Microservices development calls for sophisticated patterns, such as health checks, fault tolerance, load balancing, distributed tracing, and remote debugging and development. Because of this, it is essential to adopt technologies and frameworks that support these patterns while also providing a great developer experience.

    This article will discuss some of these patterns and showcase why Quarkus is ideal for Kubernetes-native Java applications.

  • Get started with OpenShift Service Registry | Red Hat Developer

    Red Hat OpenShift Service Registry is a fully hosted and managed service that provides an API and schema registry for microservices. OpenShift Service Registry makes it easy for development teams to publish, discover, and reuse APIs and schemas.

    Well-defined API and schema definitions are essential to delivering robust microservice and event streaming architectures. Development teams can use a registry to manage these artifacts in various formats, including OpenAPI, AsyncAPI, Apache Avro, Protocol Buffers, and more. Data producers and consumers can then use the artifacts to validate and serialize or deserialize data.

    This article gets you started with OpenShift Service Registry. You’ll create a Quarkus-based Java application that uses the registry to manage schemas for data sent through topics in an Apache Kafka cluster. The tutorial should take less than 30 minutes, and involves the following steps...

  • Red Hat Software Collections 3.8 and Red Hat Developer Toolset 11 now in beta | Red Hat Developer

    The latest versions of Red Hat Software Collections and Red Hat Developer Toolset for Red Hat Enterprise Linux 7 are available now in beta. Red Hat Software Collections 3.8 delivers the latest stable versions of many popular open source runtime languages, web servers, and databases natively to Red Hat Enterprise Linux, the world’s leading enterprise Linux platform. These components are supported for up to five years, helping to enable a more consistent, efficient, and reliable developer experience.

  • Red Hat OpenShift and data-centric infrastructure initiatives in IOWN Global Forum

    Open5G conference was held on October 6th. NTT(Masahisa Kawashima, VP of IOWN development office and IOWN GF Technology working group chair) and Intel (Clara Li, Senior Principal Engineer and IOWN GF Technical Steering committee chair) participated the spotlight session titled Data-Centric Infrastructure initiatives and discussed future disaggregated heterogeneous computing with Red Hat (Chris Wright, Senior Vice President and Chief Technology Officer).

    NTT and Intel are two of the founders, along with Sony, of the Innovative Optical and Wireless Network Global Forum (IOWN GF). Since its inception the global forum community has grown to over 70 members, including Red Hat, DELL, Orange, Ericsson, Nokia and many others.

Second Beta for Krita 5.0

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A bit later than planned — after a year and a half of isolation meeting people spreads really bad colds — we’re releasing the second beta of Krita 5.0.0! The same warnings we gave with beta 1 still hold! There are still some showstoppers, but there we’re also over 700 fixes closer to the final release.

This release also includes a reworked GPU accelerated canvas: especially on HiDPI screens and on macOS Krita should perform much better.

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Also: Krita 5.0 Beta 2 Reworks Its GPU Accelerated Canvas

today's howtos

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  • How To Install Cacti on Debian 11 - idroot

    In this tutorial, we will show you how to install Cacti on Debian 11. For those of you who didn’t know, Cacti is one of the most popular open-source, web-based network monitoring and graphing tool that you can use to keep track of your network performance in almost real-time. You can also configure Cacti to poll SNMP devices, traffic counters, routers, servers, etc.

    This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step-by-step installation of Cacti monitoring on a Debian 11 (Bullseye).

  • How to create Monitors with DataDog

    DataDog is a famous, cross-platform service for monitoring various servers, services, databases, tools through a data analytics platform. Users can check available free space on RAM and disk or track the waiting period for web requests or CPU usage on their systems.

    These issues might seem insignificant but they end up causing issues for servers with production applications that is why alerts are created to inform the stakeholder whenever the above mentioned events happen. In this article we’ll guide you how to create monitors using the DataDog tool and will create alerts to check on RAM usage and CPU usage.

  • Stop, Start and Restart Services on Debian

    This tutorial explains how to start, stop and restart services in Debian 11 Bullseye using both systemctl and service commands.

  • How to Add a User to Sudoers on AlmaLinux
  • How to Install Nginx with Let’s Encrypt TLS/SSL on AlmaLinux 8 - LinuxCapable

    NGINX is an open-source, free HTTP server software. In addition to its HTTP server capabilities, NGINX can also function as a proxy server for e-mail (IMAP, POP3, and SMTP) and a reverse proxy and load balancer for HTTP, TCP, and UDP servers. The goal behind NGINX was to create the fastest web server around, and maintaining that excellence is still a central goal of the Nginx project. NGINX consistently beats Apache and other servers in benchmarks measuring web server performance and is now the most popular used web server according to W3Tech.

    In the tutorial, you will learn how to install Nginx on AlmaLinux 8 with a free TLS/SSL certificate from Let’s Encrypt.

  • Install FreeRADIUS with daloRADIUS on Debian 11/Debian 10 -

    daloRADIUS on the other hand is an advanced web application for managing FreeRADIUS server. It supports various database backends such as MySQL, Sqlite, PostgreSQL, MsSQL, MySQL. It provides features such as Access Control Lists, support integration with Google Maps for geo-location of hotspots/access points, graphical reporting…

  • Bash Printf Command Explained With Examples - OSTechNix

    In this article, I am going to explain the basic usage of the Bash printf command with examples in Linux. By the end of this article, you will be comfortable in using the printf command in Bash shell scripting.

  • Installing packages on Linux and Mac with Homebrew | Network World

    Ever heard of Homebrew? It’s a package manager with a very unusual feature. It allows ordinary users to install packages without using sudo, and it’s available for both macOS and Linux. While the tool on each of these systems is referred to as Homebrew, the Linux version installs as linuxbrew.

    Once installed, users can use Homebrew via the brew command to install packages very easily. Installation of Homebrew itself, however, does generally require sudo privileges and installs in /home/linuxbrew.

    The man page for the brew command calls it “The Missing Package Manager for macOS (or Linux)”.

Games: Black Geyser: Couriers of Darkness, Kathy Rain: Director's Cut, and More

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  • Party-based fantasy RPG Black Geyser: Couriers of Darkness gets a Linux version

    Not too long after the initial Early Access release that was back in August, GrapeOcean Technologies has released a Linux version of their party-based RPG Black Geyser: Couriers of Darkness.

    Inspired clearly by Baldur's Gate and Icewind Dale, the team are hoping to make their mark with challenging real time tactical combat with pause, deep lore and memorable companions, all set in a sprawling, unique fantasy world.

    "As a small team, we wanted to create a unique world that had a different tone, but one filled with everything we’ve come to expect from a cRPG: an epic story, exploration, mystery and plenty of side quests," says David Zakal, Director and Founder of GrapeOcean Technologies.

  • Kathy Rain: Director's Cut launches with Linux support on October 26 | GamingOnLinux

    Kathy Rain: Director's Cut has been confirmed by Clifftop Games and publisher Raw Fury to be releasing on October 26.

    "Kathy Rain follows a burgeoning journalist as she investigates the mysterious death of her grandfather. Set during the age of laser discs and landlines in the 1990s, Kathy is armed only with her trusty motorcycle, a notepad, and her wits. Traveling all over her hometown of Conwell Springs, Kathy will uncover a local mystery that takes her on a tumultuous journey. What secrets are the people of this town hiding? Piece together the clues and follow the leads to discover the truth!"

  • The Epic Store on Linux continues getting easier to manage with Heroic Games Launcher | GamingOnLinux

    Heroic Games Launcher has a fresh update released and it comes with some mighty fine new features, all in the name of making your Epic Store library easier to manage on Linux. All still unofficial of course, since the store doesn't support Linux directly.

    With HGL version 1.10.1 it can now install parts of games that offer a selective download, you can run games using an "alternative" executable, available DLC will be listed along with a toggle to bring them all or not and you xan actually check the download / install size before installing games now.

  • The surprisingly varied Tower Defense game Warstone TD is now available for Linux | GamingOnLinux

    With maps that advance and grow as you play through allowing you to place down more towers and change your tactics, Warstone TD from Battlecruiser Games is now available natively on Linux. The developer said that they're providing a Linux version now as "a lot people asked for it".

    One feature that makes it quite interesting is how you place your towers. Initially you're not given a lot of stones to place defence down but more can appear as the level goes on and from defeating enemies, so eventually you get a lot more space to place your towers. There's also a class system to give you new abilities, plus the mission types are varied too that enables you to use other unit types. Quite a lot to like about this one and since release in 2018 it seems to have reviewed well from users on Steam.

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More in Tux Machines

LibreOffice Leftovers

  • Michael Meeks/2021-10-15 Friday

    After Italo's keynote announcement of the new LibreOffice Technology marketing plan at the LibreOffice conference, we lost no time integrating this great way to fairly present the goodness of LibreOffice that we depend on to build Collabora Online & Collabora Office mobile into the product. With new links that can take you to our LibreOffice Technology page where we can celebrate the community & credit all the hard work done under the hood here, and of course the logo. Still a work-in-progress, and will start to appear in our products over the next weeks as/when we refresh them, but so far it looks like this for desktop & mobile [...] up-coming COOL About dialog up-coming COOL About dialog Thanks to Italo & Mike at TDF for developing the concept, and also to Pedro & Elisa, for their work on the code & logos - we'll be iterating it with them over the next days & weeks.

  • Let's do awesome things! Get support for your projects and ideas from our budget - The Document Foundation Blog

    Want to organise a local (or online) LibreOffice event? Need some merchandise to boost your project or community? Then we can help you! The Document Foundation, the non-profit behind LibreOffice, is backed by contributions from ecosystem members and volunteers, as well as donations from end-users. This helps us to maintain TDF, but we can do a lot more too. And next year, we want to do a lot of projects again!

  • Next batch of videos from the LibreOffice Conference 2021 - The Document Foundation Blog

    Here are some more videos from the LibreOffice Conference 2021! Check out the playlist, using the button in the top-right – or scroll down for links to individual videos...

  • Automated bibisect to find source of a bug - LibreOffice Development Blog

    In programming, we usually face bugs that we should fix to maintain or improve our software. In order to fix a bug, first we should find the source of the problem, and there are tools like “Automated bibisect” are available to help, specially when the bug is a regression.

Xubuntu 21.10 released!

The Xubuntu team is happy to announce the immediate release of Xubuntu 21.10. Xubuntu 21.10, codenamed Impish Indri, is a regular release and will be supported for 9 months, until June 2022. If you need a stable environment with longer support time we recommend that you use Xubuntu 20.04 LTS instead. The final release images are available as torrents and direct downloads from As the main server might be busy in the first few days after the release, we recommend using the torrents if possible. Xubuntu Core, our minimal ISO edition, is available to download from [torrent]. Find out more about Xubuntu Core here. Read more

What Happens When You Run a Command in Linux?

Most Linux users are often unaware of the internal working of the operating system. You might be running Linux commands on the shell for a long time, but have you ever wondered what's happening behind the scenes when you hit Enter? By the end, you'll have a brief understanding of how the shell processes the typed command in Linux. Read more

today's howtos

  • How To Install SuiteCRM on CentOS 8 - Unixcop

    SuiteCRM is a free open source Customer Relationship Management application for servers. It is written in PHP. Open source CRM is often used as an alternative to proprietary CRM software from major corporations such as HubSpot, Salesforce and Microsoft Dynamics CRM applications. SuiteCRM is a software fork of the popular customer relationship management (CRM) system from SugarCRM. The SuiteCRM project started when SugarCRM decided to stop development of its open-source version. In this guide, we will show you how to install SuiteCRM in your CentOS 8 Linux.

  • How to Install & Configure VNC Server on CentOS 8, Rocky Linux 8, or AlmaLinux 8 - ByteXD

    Virtual Network Computing, commonly known as VNC, is a platform-independent protocol that uses the client-server architecture to access a remote computer over a network. It enables users to access the remote computer’s graphical desktop and send mouse clicks and keyboard strokes to the remote system. Alternatives to VNC for CentOS that we have covered are xRDP and X2Go. All these technologies have similar goals, but their methods for achieving them differ. This post will give you a step-by-step tutorial for installing and configuring a VNC server on your CentOS 8, Rocky Linux 8 or AlmaLinux 8, along with how to install and use multiple popular desktop environments. Over the course of this article we’ll refer to all 3 operating systems when mentioning only CentOS 8, to avoid repeating all 3 every time. Also, the screenshots provided in this tutorial are mostly from CentOS 8. I have provided a few from Rocky Linux 8 and AlmaLinux 8, to prove that I have also tested this tutorial on them.

  • How to Install Apache Spark on Debian 11

    Apache Spark is a free, open-source, general-purpose and distributed computational framework that is created to provide faster computational results. It supports several APIs for streaming, graph processing including, Java, Python, Scala, and R. Generally, Apache Spark can be used in Hadoop clusters, but you can also install it in standalone mode. In this tutorial, we will show you how to install Apache Spark framework on Debian 11.

  • How to Install Specific Version of Package using DNF

    As part of application requirements or testing, you might need to install specific version of a package. DNF is a package manager for RPM-based Linux distributions such Fedora, RHEL, Rocky Linux, AlmaLinux, and more. In this tutorial, we learn how to install specific version of package using DNF.

  • How to Install Unity Desktop on Ubuntu 21.10 Impish Indri - LinuxCapable

    Unity Desktop Environment is a graphical shell for the GNOME desktop environment created and maintained by Canonical for Ubuntu operating systems. As time has passed and Ubuntu is now officially using GNOME as the default desktop environment, it is maintained and developed by the Unity7 Maintainers and UBports. With Ubuntu 21.10 being released, another Unity Desktop environment has occupied it. This release still uses the Unity 7 interface as the UnityX 10 is still under development. However, in further Ubuntu distribution releases, this interface will undoubtedly appear. Overall, Unity is an excellent option for its speed, alternative looks to rival any other Desktop Environment. In the following tutorial, you will learn how to install Unity on Ubuntu 21.10 with various options.

  • How to install Craft CMS on Ubuntu 20.04 LTS Focal Fossa - Linux Shout

    Just like WordPress, we have another open-source Craft CMS that is a new and innovative content management system with a large community of developers and communities worldwide. Here we learn the steps to Install Craft CMS on Ubuntu 20.04 or 18.04. It is an open-source CMS based on PHP / MySQL with the TWIG template engine, flexible in nature, and has a user-friendly interface for creating digital current and administrative tasks. Craft CMS also offers a built-in plugin store with hundreds of free and paid plugins. Whereas is robust framework allows developers to develop modules and plugins.

  • Install Guacamole for Remote Linux/Windows Access in Ubuntu [Ed: Just updated]

    As a system administrator, you may find yourself (today or in the future) working in an environment where Windows and Linux coexist. It is no secret that some big companies prefer (or have to) run some of their production services in Windows boxes and others in Linux servers.