Version 1.5.0 of the GNU Guix package manager and the Guix System have been released. Notable improvements include the ability to run the Guix daemon without root privileges, support for 64-bit RISC-V, and experimental support for the GNU Hurd kernel.
The release comes with ISO-9660 installation images, virtual machine images, and with tarballs to install the package manager on top of your GNU/Linux distro, either from source or from binaries—check out the download page. Guix users can update by running guix pull.
It's been 3 years since the previous release. That's a lot of time, reflecting both the fact that, as a rolling release, users continuously get new features and update by running guix pull; but it also shows a lack of processes, something that we had to address before another release could be made.
During that time, Guix received about 71,338 commits by 744 people, which include many new features.
LWN last looked at Guix in February 2024.
The Linux Kernel Runtime Guard (LKRG) is a out-of-tree loadable kernel module that attempts to detect and report violations of the kernel's internal invariants, such as might be caused by an in-progress security exploit or a rootkit. LKRG has been experimental since its initial release in 2018. In September 2025, the project announced the 1.0 version. With the promises of stability that version brings, users might want more information to decide whether to include it in their kernel.
ReactOS, an open-source project to develop an operating system that is compatible with Microsoft Windows NT applications and drivers, is celebrating 30 years since the first commit to its source tree. In that time there have been more than 88,000 commits from 301 contributors, for a total of 14,929,578 lines of code. There is, of course, much left to do.
It's been such a long journey that many of our contributors today, including myself, were not alive during this event. Yet our mission to deliver "your favorite Windows apps and drivers in an open-source environment you can trust" continues to bring people together. [...]
We're continuing to move ReactOS forward. Behind the scenes there are several out-of-tree projects in development. Some of these exciting projects include a new build environment for developers (RosBE), a new NTFS driver, a new ATA driver, multi-processor (SMP) support, support for class 3 UEFI systems, kernel and usermode address space layout randomization (ASLR), and support for modern GPU drivers built on WDDM.
Version 3.0.0 of the pandas data analysis and manipulation library for Python has been released. Notable changes include a dedicated string type (str), new "copy-on-write" behavior, and much more. This release also removes a number of features that were deprecated in prior versions of pandas; developers are advised to upgrade to pandas 2.3 and ensure code is working without warnings before moving to 3.0. See the release notes for the full changelog.
At the 39th Chaos Communication Congress (39C3) in December, researchers Lexi Groves ("49016") and Liam Wachter said that they had discovered a number of flaws in popular implementations of OpenPGP email-encryption standard. They also released an accompanying web site, gpg.fail, with descriptions of the discoveries. Most of those presented were found in GNU Privacy Guard (GPG), though the pair also discussed problems in age, Minisign, Sequoia, and the OpenPGP standard (RFC 9580) itself. The discoveries have spurred some interesting discussions and as well as responses from GPG and Sequoia developers.
We cannot fix email delivery, but we can sidestep it entirely. Public-inbox archives like lore.kernel.org store all mailing list traffic in git repositories. In its simplest configuration, korgalore can shallow-clone these repositories directly and upload any new messages straight to your mailbox using the provider's API.
The telnetd server invokes /usr/bin/login (normally running as root) passing the value of the USER environment variable received from the client as the last parameter.If the client supplies a carefully crafted USER environment value being the string "-f root", and passes the telnet(1) -a or --login parameter to send this USER environment to the server, the client will be automatically logged in as root bypassing normal authentication processes.
Mozilla has announced a repository with Firefox Nightly channel packages for RPM-based Linux distributions such as CentOS Stream, Fedora, and openSUSE. Mozilla has provided a Debian repository since 2023.
Note that this repository only includes the nightly builds of The firefox-nightly package. Mozilla is not providing stable builds as RPMs at this time. However, the package will not conflict with a distribution's regular firefox package; both packages can be installed at the same time for those who wish to test the nightly builds. See the blog post for instructions on setting up the repository.
LWN has had a number of articles on immutable distributions,
such as Bluefin and
Bazzite, in recent years. These distributions have taken a variety of approaches, including
using
rpm-ostree, filesystem snapshots, and
bootable container (bootc) images. But those
approaches, especially the latter, lead to extra complexity for a user
attempting to install new software, instead of just
using the existing package manager.
AshOS (Any Snapshot Hierarchical OS) is an experimental AGPL-3-licensed
"meta-distribution
" that tried a different approach more in line with
traditional package management. Although the project is no longer updated,
it remains usable, and can still shed some light on a potential alternate path for users
worried about adopting bootc-based approaches.
This brought to a close the Ozlabs association with IBM". Thus ends a quarter-century of development history.
(Thanks to Jon Masters).
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