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TUXEDO OS is an Ubuntu-based distribution developed in Germany by TUXEDO Computers GmbH, designed and optimised for the company's own range of Linux-friendly personal computers and notebooks. The distribution uses KDE Plasma as the preferred desktop. Some of the differences between Ubuntu and TUXEDO OS include custom boot menu, the TUXEDO Control Centre, Calamares installer, availability of the Lutris open gaming platform, preference for the PipeWire audio daemon (over PulseAudio), removal of Ubuntu's snap daemon and snap packages, and various other tweaks and enhancements.

NetBSD is a free, secure, and highly portable UNIX-like Open Source operating system available for many platforms, from 64-bit AlphaServers and desktop systems to handheld and embedded devices. Its clean design and advanced features make it excellent in both production and research environments, and it is user-supported with complete source. Many applications are easily available through The NetBSD Packages Collection.

Sasha Levin has announced the release of the 6.12.76, 6.6.129, and 6.1.166 stable kernels. These releases address a regression reported by Peter Schneider; Levin said that an upgrade is only necessary for those who have observed a build failure with the 6.12.75, 6.6.128, or 6.1.165 kernels.

The multi-generational LRU (MGLRU) is an alternative memory-management algorithm that was merged for the 6.1 kernel in late 2022. It brought a promise of much-improved performance and simplified code. Since then, though, progress on MGLRU has stalled, and it still is not enabled on many systems. As the 2026 Linux Storage, Filesystem, Memory-Management and BPF Summit (LSFMM+BPF) approaches, several memory-management developers have indicated a desire to talk about the future of MGLRU. While some developers are looking for ways to improve the subsystem, another has called for it to be removed entirely.

Version:6.1.166 (longterm) Released:2026-03-05 Source:linux-6.1.166.tar.xz PGP Signature:linux-6.1.166.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.1.166

Version:6.6.129 (longterm) Released:2026-03-05 Source:linux-6.6.129.tar.xz PGP Signature:linux-6.6.129.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.6.129

Version:6.12.76 (longterm) Released:2026-03-05 Source:linux-6.12.76.tar.xz PGP Signature:linux-6.12.76.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.12.76

Version:next-20260305 (linux-next) Released:2026-03-05

Security updates have been issued by AlmaLinux (go-rpm-macros, libpng, thunderbird, udisks2, and valkey), Fedora (coturn, php-zumba-json-serializer, valkey, and yt-dlp), Red Hat (delve, go-rpm-macros, grafana, grafana-pcp, image-builder, osbuild-composer, and postgresql), Slackware (nvi), SUSE (firefox, glibc, haproxy, kernel, kubevirt, libsoup, libsoup2, libxslt, mozilla-nss, ocaml, python, python-Django, python-pip, util-linux, virtiofsd, wicked2nm,suse-migration-services,suse-migration- sle16-activation,SLES16-Migration,SLES16-SAP_Migration, and wireshark), and Ubuntu (gimp, linux-aws, linux-lts-xenial, linux-aws-fips, linux-azure, linux-azure-fips, linux-fips, nss, postgresql-14, postgresql-16, postgresql-17, and qemu).

KDE neon is a Ubuntu-based Linux distribution and live DVD featuring the latest KDE Plasma desktop and other KDE community software. Besides the installable DVD image, the project provides a rapidly-evolving software repository with all the latest KDE software. Two editions of the product are available - a "User" edition, designed for those interested in checking out the latest KDE software as it gets released, and a "Developer's" edition, created as a platform for testing cutting-edge KDE applications.

SmartOS is an open-source UNIX-like operating system based on illumos, a community fork of OpenSolaris. It features four technologies - ZFS (a combined file system and logical volume manager), DTrace (a dynamic tracing framework for troubleshooting kernel and application problems), Zones (a lightweight virtualisation solution), KVM and bhyve (two full virtualisation solutions for running a variety of guest operating systems, including Linux, Windows, BSD and Plan9). SmartOS is designed to be particularly suitable for building clouds and generating appliances.

Uncom OS is Russian commercial Linux distribution based on Ubuntu's long-term support branch and localised into Russian. It is developed by Advilabs-Rus LLC. Some of the distribution's more interesting features include a custom application store, out-of-the-box support for Flatpak packages, a Windows-style dock panel, extended support for VPN protocols, a custom application for restoring system integrity, and use of Bottles to run Windows applications. Besides commercial "Home", "Business" and "Education" editions of Uncom OS, the company also offers a freely downloadable trial variant for testing purposes.

Expirion Linux is a Devuan-based desktop distribution which offers LXQt and Xfce desktop editions. The project provides separate releases built from the latest "stable" and "testing" branches of Devuan, with runit and SysV as init system options. Expirion ships with a more recent kernel than Devuan does and it also adds some user-friendly touches, custom themes and wallpapers, as well as productivity applications, such as LibreOffice, Chromium, Firefox, Thunderbird, Audacity, Brasero and VLC.

Inside this week's LWN.net Weekly Edition:

• Front: Python's bitwise-inversion operator; atomic buffered I/O; keeping open source open; Magit and Majutsu; IIIF; free software and free tools.
• Briefs: Ad tracking; firmware updates; TCP zero-copy; Motorola GrapheneOS phones; Gram 1.0; groff 1.24.0; Texinfo 7.3; Quotes; ...
• Announcements: Newsletters, conferences, security updates, patches, and more.

T2 Linux SDE is an independently-developed open-source system development environment (or distribution build kit). It enables the creation of custom distributions with bleeding-edge technology. Currently, the Linux kernel is used, but the project plans an expansion to Hurd, OpenDarwin and OpenBSD kernels too. T2 started as a community driven fork from the ROCK Linux Project with the aim to create a decentralised development and a clean framework for spin-off projects and customised distributions.

PrismLinux is a minimalist distribution based on Arch Linux. The live image boots into the River Wayland compositor and a custom system installer which provides several popular desktop options available for installation, including KDE Plasma, GNOME, COSMIC and Cinnamon, as well as a customized Niri Wayland compositor. The distribution uses the long-term supported (LTS) Linux kernel compiled with kernel parameters optimised for speed and it also includes a pre-configured TLP utility for extending battery life.

PakOS is a Debian-based, desktop Linux distribution. The project aims to supply software and tools that will be useful for the people of Pakistan, though the distribution runs well in other regions and includes multi-language support. The project ships with LXQt as the default desktop and pre-installs many desktop applications and security tools.

ML4W OS is an Arch Linux-based distribution featuring a heavily customised Hyprland tiling compositor. The project specialises primarily in creating advanced configuration for Hyprland, so called "dotfiles", which are available for installation on several other Arch-based distributions, as well as Fedora and openSUSE. However, the live ML4W OS ISO image is a standalone, full-featured Linux distribution with all Hyprland configuration files, applications, icons, themes and wallpapers included. It can be installed to a hard disk using a custom text-mode system installer. The project also provides extensive documentation about setting up and configuring Hyprland.

RELIANOID is a Debian-based Linux distribution for load balancing. The project offers a specialist operating system for testing, development and quality assurance environments. Relianoid is available in Community (free of cost) and Enterprise editions.

Version:next-20260304 (linux-next) Released:2026-03-04