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A spicy mix of distro news, including Rocky Linux's first milestone release, and our follow-up on the University of Minnesota’s kernel ban. Plus a major step in Apple M1 GPU support.Sponsored By:Linode: Sign up using the link on this page and receive a $100 60-day credit towards your new account. Ting: Save $25 off your first device, or $25 in service credit if you bring one!Support Linux Action NewsLinks:FAQ: CentOS Stream Updates — CentOS Stream 9 will launch in Q2 2021 as part of the RHEL 9 development process. Fedora Linux 34 is officially here! — Following the introduction of BTRFS as the default filesystem on desktop variants in Fedora Linux 33, we’ve introduced transparent compression on BTRFS filesystems. Fedora 34 Changes Gnome40 DefaultPipeWire XwaylandStandalone WaylandByDefaultForPlasma BtrfsTransparentCompression EnableSystemdOomd Remove Support For SELinux Runtime Disable UnifyGrubConfig An update on the UMN affair — None of the three patches that contained real bugs were accepted by maintainers, though the reasons for rejection were not always the bugs in question. The paper itself has been withdrawn and will not be presented in May as was planned. Owncast Streaming Application | Linode Marketplace | Linode “Full disclosure” from the University of Minnesota — The researchers at the University of Minnesota have posted a description of the work they did as part of their "hypocrite commits" project. It includes a list of the buggy commits they posted and how they were handled. Red Hat Enterprise Linux 8.4 arrives — The latest version of Red Hat's flagship Linux operating system is designed to be deployed on the computing edge. Rocky Linux 8.3 RC1 Released For This New RHEL Alternative — The first release candidate of Rocky Linux 8.3 is out, the project's inaugural release as a new binary-compatible alternative to Red Hat Enterprise Linux (RHEL). Rocky Linux 8.3 Release Candidate 1 — The intent of a release candidate is for the community to test and validate expected functionality of Rocky Linux and report any bugs if present. CentOS replacement distro AlmaLinux gets commercial support options — CloudLinux Inc has announced that it will offer commercial support for the AlmaLinux community distribution. The new support plans will include regular patches and updates for AlmaLinux's kernel and core packages, patch delivery SLAs, and 24/7 incident support. Commercial Support for AlmaLinux OS from CloudLinux — CloudLinux Inc will start providing multiple support options for AlmaLinux OS in May 2021. 8.4 Beta of AlmaLinux Released — This is a BETA release and should not be used for production installations. The provided upgrade instructions should not be used on production machines, unless you don't mind if something breaks. 😉 Ubuntu Bug Breaks EFI on 21.04 Update With Older Machines — The exact nature of the hardware likely to fail is still unclear. Canonical software engineer Dave Jones suggested modern machines would be unaffected but older machines such as a ThinkPad 420 from 2011 and a MacBook Air from 2012 were affected by the bug.elementary OS 6 Beta Available Today — Developers and testers, it’s the day you’ve been waiting for: elementary OS 6 Beta is available now! We first started talking publicly about elementary OS 6 in August of last year. New Spectre Exploits Beat All Mitigations: Fixes to Severely Degrade Performance — Researchers from two universities have discovered several new variants of Spectre exploits that affect all modern processors from AMD and Intel with micro-op caches. Existing Spectre mitigations do not protect the CPUs against potential attacks that use these vulnerabilities. PDF: I See Dead ﾂｵops: Leaking Secrets M1 Mesa Driver Upstreamed — I’ve begun a Gallium driver for the M1, implementing much of the OpenGL 2.1 and ES 2.0 specifications. With the compiler and driver together, we’re now able to run OpenGL workloads like glxgears and scenes from glmark2 on the M1 with an open-source stack. To top it off, the compiler and driver are now upstreamed in Mesa! mesa - Add asahi Gallium driver

Mike has a few stories to share, but more importantly a very hard lesson he's going to make sure you damn sure you learn. And Chris has a breakthrough after spending the weekend with WSL's GUI Linux apps.Sponsored By:Linode: Receive a $100 60-day credit towards your new account. Promo Code: linode.com/coderDatadog: Try Datadog free by starting a your 14-day trial and receive a free t-shirt once you install the agent.A Cloud Guru: A Cloud Guru now includes Cloud Playground. Azure, AWS, or GCP Sandboxes at your fingertips.Support Coder RadioLinks:10 Questions to ask in a Job Interview — Spoiler alert: “What’s the culture like here?” is definitely NOT one of them.Apple's M1 Positioning Mocks the Entire x86 Business Model — If you want to buy a MacBook Air or MacBook Pro, Apple will sell you an M1. Want a Mac Mini? You get an M1. Interested in the iMac or the new iPad Pro? You get an M1.The Initial Preview of GUI app support is now available for the Windows Subsystem for Linux — GUI app support now lets you use your favorite Linux GUI applications as well.

The new release of Fedora has more under the hood than you might know. It's a technology-packed release, and nearly all of it is coming to a distro near you. Plus the questions we think the University of Minnesota kernel ban raises, and more.Sponsored By:Linode Cloud Hosting: A special offer for all Linux Unplugged Podcast listeners and new Linode customers, visit linode.com/unplugged, and receive $100 towards your new account. MailRoute: Try out MailRoute today and get 10% off the lifetime of your account and start with a 30-day free trial, no credit card required.A Cloud Guru: By the end of this course, you will feel comfortable working with a large variety of networking tools and configurations to manage complex Linux networking implementations.Support LINUX UnpluggedLinks:Thoughts on The University of Minnesota Kernel BanSome 5.12 development statistics — By the time the 5.12 kernel was finally released, some 13,015 non-merge changesets had been pulled into the mainline repository for this development cycle. That makes 5.12 the slowest development cycle since 5.6, which was released at the end of March 2020. Still, there was plenty of work done for 5.12.Linux 5.12 Release AnnouncementAs Linux 5.12 released, Linus Torvalds warns next version will probably be rather large — "'Despite the extra week, this was actually a fairly small release overall. Judging by Linux-next, 5.13 will be making up for it."Flatpak 1.11.1 Brings Changes For Steam, Better Support For Command Line Programs — One of the changes with Flatpak 1.11.1 worth mentioning is allowing sub-sandboxes to have a different /usr and/or /app.steam-runtime-tools: pressure-vessel — pressure-vessel is a bit like a simplified version of Flatpak for Steam games.While we worry about WSLg Amazon is Positioned to Kill Server LinuxHumble Bundle is removing their pay sliders and replacing them with two preset pay splits.Looking forward to Fedora 34 — In 2021, complaints about PulseAudio are scarce indeed; the quirks have long since been ironed out and, for most people, sound just works. Obviously, it must be time to rip out the audio infrastructure and start over. That is what Fedora has done in the 34 release; PulseAudio is gone, replaced by PipeWire.How to Upgrade to Fedora 34 from Fedora 33 WorkstationCommon Fedora 34 BugsFedora Linux 34 is officially here!Fedora 34 ChangesGnome40DefaultPipeWireXwaylandStandaloneSome nice stuff not yet in stable that Fedora wantedWaylandByDefaultForPlasmaAArch64 KDE Plasma Desktop imageFedora Media Writer — Write Fedora Images to Portable MediaBtrfsTransparentCompressionbtrfs Wiki: CompressionFedora Workstation 34 feature focus: Btrfs transparent compression - Fedora Magazine — This article is going to go a little further under the hood and talk about data compression and transparent compression in btrfs. A term like that may sound scary at first, but less technical users need not be wary. This change is simple to grasp, and will help many Workstation users in several key areas.EnableSystemdOomdLINUX Unplugged 351: Lenovo Loves LinuxRemove Support For SELinux Runtime DisableUnifyGrubConfigUnplugged Core ContributorsFeedback: Running his own email for six yearsFeedback: Uses a Neat Trick with his Self Hosted EmailFeedback PIck: Modoboa, Open Source email serverPIck: zellij — A Rust and WebAssembly powered terminal workspace with batteries included.jupitergarage.com

The University of Minnesota has been banned from the Linux kernel. We'll share the history, the context, and where things stand now around the controversial research that led to the ban. Plus Ubuntu 21.04 is out, and we try WSL's new GUI Linux app support.Sponsored By:Linode: Sign up using the link on this page and receive a $100 60-day credit towards your new account. Ting: Save $25 off your first device, or $25 in service credit if you bring one!Support Linux Action NewsLinks:Intentionally buggy commits for fame—and papers [LWN.net] — A buggy patch posted to the linux-kernel mailing list in early April was apparently the last straw for Greg Kroah-Hartman as it led to the planned reversion of a whole slew of commits with one thing in common: their origin at the University of Minnesota (UMN). An open letter to the Linux community [LWN.net] — We sincerely apologize for any harm our research group did to the Linux kernel community. Our goal was to identify issues with the patching process and ways to address them, and we are very sorry that the method used in the “hypocrite commits” paper was inappropriate.Re: [PATCH] SUNRPC: Add a check for gssreleasemsg - Greg KH University duo thought it would be cool to sneak bad code into Linux as an experiment. Of course, it absolutely backfired • The Register Greg Kroah-Hartman bans University of Minnesota from Linux development for deliberately buggy patches | ZDNet Revertion of all of the umn.edu commits - Kees Cook Linus Torvalds Responds to Linux Banning University of Minnesota | Tom’s Hardware Statement from CS&E on Linux Kernel research - April 21, 2021 | Department of Computer Science and Engineering | College of Science and Engineering Security Research Ethics Review. What’s the subject, Kenneth? | by Dave Dittrich | Apr, 2021 | Medium Paper: Stealthily introducing vulnerabilities in open source software via hypocrite commits Ubuntu 21.04 Official Flavors Released, Here’s What’s New - 9to5Linux — Ubuntu 21.04 has been released and is available to download from the Ubuntu website.Ubuntu 21.04 is here | Ubuntu — Ubuntu 21.04 comes with native Microsoft Active Directory integration, Wayland graphics by default, and a Flutter application development SDK. LINUX Unplugged 402: Our Worst Idea Yet (Re)introducing the Community Team Fedora 34 To Release Next Week As A Very Exciting Update - Phoronix — After it was pushed back last week due to blocker bugs, on Friday it was determined that Fedora 34 is now in proper shape to officially ship next week.Red Hat Summit 2021 | About — Virtual again: April 27-28, 2021Microsoft enables Linux GUI apps on Windows 10 for developers - The Verge — Microsoft is starting to allow Windows 10 testers to access Linux GUI apps. Microsoft Posts WSLg Preview - GUI App Support With Windows Subsystem For Linux - Phoronix GitHub - microsoft/wslg: Enabling the Windows Subsystem for Linux to include support for Wayland and X server related scenarios GitHub - microsoft/CBL-Mariner: Linux OS for Azure 1P services and edge appliances Introducing Linux GUI apps running on Windows using the Windows Subsystem for Linux (WSL) Watch Mars Ingenuity's First Flight! (VIDEO AND IMAGES) — Mars​ Perseverance​ has been a historic mission, now its chopper, Ingenuity is flying on Mars. Watch a recap right here and see the very first video and images of it up in the air.Open source goes to Mars 🚀 - The GitHub Blog — Today, we want to make the invisible visible. So, we have worked with JPL to place a new Mars 2020 Helicopter Mission badge on the GitHub profile of every developer who contributed to the specific versions of any open source projects and libraries used by Ingenuity. Open Source on Mars: Community powers NASA’s Ingenuity Helicopter · The ReadME Project · GitHub — Today, nearly 12,000 developers will see a new badge on their GitHub profile celebrating their contributions to the specific versions of projects and libraries used by NASA to fly the Ingenuity Helicopter on Mars. Work Progresses Toward Ingenuity’s First Flight on Mars - NASA Mars We’re Getting Ready for Ingenuity’s Second Flight - NASA Mars We Are Prepping for Ingenuity’s Third Flight Test - NASA Mars Mars helicopter shares first aerial color photo and preps for Sunday flight - CNN NASA’s Mars helicopter completes second, higher flight – Spaceflight Now Ingenuity: Nasa's Mars helicopter makes it three from three — On Sunday, the little chopper rose to a height of 5m before speeding off laterally for 50m - half the length of a football field.

Alex has a new trick for local and remote backups, and shares his thoughts on Synology's DS series NAS. Plus Chris' master plan to save everyone's batteries.Sponsored By:Linode: Receive a $100 60-day credit towards your new account. Promo Code: linode.com/sshSynology: DSM is like using a desktop session inside your browser. Visit selfhosted.show/synology for a live demo.A Cloud Guru: This intermediate-level course teaches the concepts of using PowerShell Core with Linux.Support Self-HostedLinks:Home Assistant Mac App — Home Assistant Companion is a new application for Mac to control your Home Assistant instance, exposing your Mac sensors to Home Assistant and to receive notifications.AlDente — MacOS tool to limit maximum charging percentageFree Cron Job Monitoring - Healthchecks.io — We notify you when your nightly backups, weekly reports, cron jobs, and scheduled tasks don't run on time.linuxserver/healthchecks - LinuxServer.io — ​Healthchecks is a watchdog for your cron jobs. It's a web server that listens for pings from your cron jobs, plus a web interface.docker stats — Display a live stream of container(s) resource usage statisticszfs.rent — Simple cloud service to store ZFS snapshots.DS1621+ | Synology Inc. — Synology DS1621+ is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets.NAS Selector | Synology Inc.autorestic — Autorestic is a wrapper around the amazing restic.Jupiter Broadcasting Garage Sale

Our thoughts on the hardware Apple announced this week, and if any of it is suitable for professional workloads. Plus your feedback, a few random stories, and more.Sponsored By:Linode: Receive a $100 60-day credit towards your new account. Promo Code: linode.com/coderDatadog: Try Datadog free by starting a your 14-day trial and receive a free t-shirt once you install the agent.A Cloud Guru: A Cloud Guru now includes Cloud Playground. Azure, AWS, or GCP Sandboxes at your fingertips.Support Coder RadioLinks:Apple Will Keep 15 to 30% Cut of Podcast Subscriptions — Apple today announced a new podcasts subscription feature that's coming to the Podcasts app. Podcast subscriptions will let podcast publishers sell subscriptions to an individual show or a group of shows, with pricing starting at 49 cents per monthSteve Troughton-Smith on Twitter — Interesting that Apple went to the trouble of showing off things like Continuity & Handoff that macOS has had for years — they must really be anticipating a fresh audience for these iMacsAll The Apple Park Transitions—April 20, 2021 — Apple announces new iMac, AirTags, iPad Pro with the M1 processor, and more at its Spring Loaded event. It also offered a glimpse of the Apple Park campus by means of transitions for each presentation section.Apple Spring Event Live Commentary - JupiterTube — Event coverage starts about 24 min.Magic Keyboard With Touch ID Compatible With All M1 Macs, But Only Sold With iMac For Now — Alongside the redesigned iMac, Apple introduced a new Magic Keyboard with Touch ID for fingerprint authenticationApple's Bright New iMacs Come With Color-Matched Magic Keyboard, Magic Mouse, Power Cord and USB-C CableNew Apple TV 4K Supports WiFi 6, Thread and HDMI 2.1 — In addition to a new Siri Remote and a faster A12 processor.

You should never host your own email, so we’ve gone and done just that. What we learned trying to build an email server in 2021. Plus our take on Ubuntu 21.04, become a master of your schedule with our pick, and a Garage Sale update.Sponsored By:Linode Cloud Hosting: A special offer for all Linux Unplugged Podcast listeners and new Linode customers, visit linode.com/unplugged, and receive $100 towards your new account. MailRoute: Try out MailRoute today and get 10% off the lifetime of your account and start with a 30-day free trial, no credit card required.A Cloud Guru: By the end of this course, you will feel comfortable working with a large variety of networking tools and configurations to manage complex Linux networking implementations.Support LINUX UnpluggedLinks:Hirsute Hippo Release Notes — These release notes for Ubuntu 21.04 (Hirsute Hippo) provide an overview of the release and document the known issues with Ubuntu and its flavours.Ubuntu 21.04 Release Date & New Features - OMG! Ubuntu!Announcing the Ubuntu Desktop Team Indaba (AMA) - April 23, 2021 @ 3PM UTC — This will be a live stream featuring members of the Ubuntu Desktop Team and members of the community. We will include special guests from the community as well as take questions from via live chat.LINUX Unplugged 396: How Linux Got to Mars — Tim Canham, the Mars Helicopter Operations Lead, shares Linux’s origins at JPL and how it ended up running on multiple boxes on Mars.Nasa successfully flies small helicopter on Mars — The drone, called Ingenuity, was airborne for less than a minute, but Nasa is celebrating what represents the first powered, controlled flight by an aircraft on another world.NASA Helicopter Hovers Over Mars In 1st Powered Flight On Another PlanetHumans have just flown a rotorcraft on an alien planet for the first time in history.Linux Action News 185 — The major shift in the Linux landscape this week that was hardly noticed, and our thoughts on COSMIC from System76.Jupiter Broadcasting Garage SaleJupiter Broadcasting TelegramAll Jupiter Broadcasting Showsdocker-mailserver — A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker.Docker Mailserver DocsDMARC Guide | Global Cyber Alliance | Email Authentication Made EasyGitHub - calendso/calendso: The open-source Calendly alternative.System76 Blog — COSMIC to Arrive in June Release of Pop!_OS 21.04 — What is COSMIC? It’s a refined solution that makes the desktop easier to use, yet more powerful and efficient for our users through customization.

The major shift in the Linux landscape this week that was hardly noticed, and our thoughts on COSMIC from System76. Plus Google adds its weight behind Rust in the Linux Kernel, and the new security features landing in WSL2.Sponsored By:Linode: Sign up using the link on this page and receive a $100 60-day credit towards your new account. Ting: Save $25 off your first device, or $25 in service credit if you bring one!Support Linux Action NewsLinks:Dell to spin out remaining VMware stake, cements Friends With Benefits status for at least five years — The proposed transaction has been pitched as delivering value for shareholders, both in the short term and once the two corporations have less complicated structures that will let them compete more aggressively. Dell Technologies Announces Planned VMware Spin-Off — Under terms of the planned spin-off, VMware will distribute a special cash dividend of $11.5 - $12 billion to all VMware shareholders, including Dell Technologies. Dell Buys EMC For $67B In Largest Deal In Tech History COSMIC to Arrive in June Release of Pop!OS 21.04 — We’re providing a honed desktop user experience in Pop!OS through our GNOME-based desktop environment: COSMIC. It’s a refined solution that makes the desktop easier to use, yet more powerful and efficient for our users through customization. There’s no place like GNOME: System 76 introduces COSMIC desktop GUI for its Pop!OS Linux — System76 said that it studied user behaviour and sought to refine key elements of the desktop accordingly. pop-os/cosmic: — Computer Operating System Main Interface Components Carl Richell on Twitter — Yes, indeed. Pop!Shell will remain a separate extension.Carl Richell on Twitter — Yes, tiling will remain a separate extension and can be used on other distros. COMIC can as well. Carl Richell on Twitter — The is an extension that creates a unique GNOME UX while maintaining compatibility with GNOME and the GNOME app ecosystem and HIG. Carl Richell on Twitter — Pop with the COSMIC desktop. Carl Richell on Twitter — We’re currently developing and testing on X and Pop 21.04 will default to X as well. However, we may be able to shift over to Wayland for future releases with the recent nvidia news about Wayland driver support. Google backs effort to bring Rust to the Linux kernel — "We feel that Rust is now ready to join C as a practical language for implementing the kernel." Google Supports Getting Rust Into The Linux Kernel HN: Linus Torvalds on Rust support in kernel Linux 5.12 Diverted From Release To Allow An Extra Week Of Testing — Due to still a number of fixes landing this week, .Linus Torvalds decided to be safe and go for the extra round of testing. The 12 Most Interesting Changes Of Linux 5.12 A bumpy 5.12 is due for release Element Matrix Services launches bridging for Microsoft Teams — A single Microsoft Teams Bridge supports unlimited users across unlimited channels. Pricing is based on the number of active users using the bridge from MS Teams, at a cost of $0.50 per user per month. Traffic from Element (or any other Matrix-based client) is free. HN: Will this bridge be be open source? Servicing the Windows Subsystem for Linux (WSL) 2 Linux kernel — We’ve just shipped the 5.10.16.3 WSL 2 Linux kernel version to Windows Insiders which brings exciting new changes: Support for the LUKS disk encryption, and some long-awaited bug fixes. Microsoft Docs: Release Notes for WSL kernel microsoft/WSL: Issues found on WSL Hangover 0.6.5 Released For Running Windows Software On ARM64, POWER — Wednesday's release of Hangover 0.6.5 now allows for starting QEMU automatically if needed.

We visit an alternate reality where Epic wins in their fight against Apple, COBOL reigns supreme, and the halls of great Jedi Temple are lined with Object-C developers.Sponsored By:System76: Thelio Mira empowers your workflow with high-end components backed by quiet, effective cooling—a great value that proves its worth in any professional setting.A Cloud Guru: A Cloud Guru now includes Cloud Playground. Azure, AWS, or GCP Sandboxes at your fingertips.Linode: Receive a $100 60-day credit towards your new account. Promo Code: linode.com/coderDatadog: Try Datadog free by starting a your 14-day trial and receive a free t-shirt once you install the agent.Support Coder RadioLinks:Objective-C slides down the popularity rankings — Objective-C, the general-purpose programming language that was used for OS X and iOS development in the earlier days of Apple, enjoyed high spots in the TIOBE index until 2014, and was listed for language of the year award in 2011 and 2012index | TIOBE Apple Admits Why It Keeps iMessage Off Android — There’s an entire section in the filing about iMessage and how Apple uses it to keep users in their system. Epic v. Apple discovery details ‘Project Liberty’ scheme — According to Apple, Epic Games has hired PR firms in 2019 to work on a media strategy called “Project Liberty” aimed at portraying Apple “as the bad guy.”IBM COBOL for Linux on x86 1.1 — COBOL for Linux on x86 1.1 is the latest addition to the IBM COBOL compiler family, which includes Enterprise COBOL for z/OS and COBOL for AIX.Kitchen Table Talks: Why COBOL is Affecting the COVID-19 Response - YouTubeUTM App — Run virtual machines on iOSInstall Ubuntu ARM64 on Apple M1

Do as we say, not as we do. This week we're setting off to host our own email. We'll cover the basics, what's we're using, and why. Plus an update on Jupiter Broadcasting going independent, community news, and more.Special Guest: Martin Wimpress.Sponsored By:Linode Cloud Hosting: A special offer for all Linux Unplugged Podcast listeners and new Linode customers, visit linode.com/unplugged, and receive $100 towards your new account. Jupiter Garage Sale: Own a bit of Jupiter Broadcasting history, while making way for the new! A Cloud Guru: Hundreds of courses, thousands of hands-on labs.Support LINUX UnpluggedLinks:Google Online Security Blog: Rust in the Android platform — We're excited to announce that the Android Open Source Project (AOSP) now supports the Rust programming language for developing the OS itself.Mike Kelly on Twitter — I’ve been curious to try out @rustlang and wanted to celebrate @LinuxUnplugged episode 400… so I combined both in a silly fun little project. Check it out… a mini-website powered by Rust… @ChrisLAS and @wespayne would be proud!Mars Helicopter Flight Delayed — During a high-speed spin test of the rotors on Friday, the command sequence controlling the test ended early due to a “watchdog” timer expiration.Work Progresses Toward Ingenuity’s First Flight on Mars — Over the weekend, the team considered and tested multiple potential solutions to this issue, concluding that minor modification and reinstallation of Ingenuity’s flight control software is the most robust path forward.All Jupiter Broadcasting ShowsMailcow.email — The mailserver suite with the ‘moo’ – 🐮 + 🐋 = 💕.Mailcow: dockerized documentationSOGo — SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards.Zimbra: Open Source Secure Private Business Email & CollaborationMail-in-a-Box Setup GuideJupiter GarageGNOME Designers Explore a ‘Bottom Bar’ Layout for GNOME Shell