Linux Action News 187

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.

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Links:

• 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 The paper itself has been withdrawn and will not be presented in May as was planned.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