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[$] Radicle: peer-to-peer collaboration with Git

Radicle is a new, peer-to-peer, MIT/Apache-licensed collaboration platform written in Rust and built on top of Git. It adds support for issues and pull requests (which Radicle calls "patches") on top of core Git, which are stored in the Git repository itself. Unlike GitHub, GitLab, and similar forges, Radicle is distributed; it doesn't rely on having everyone use the same server. Instead, Radicle instances form a network that synchronizes changes between nodes.

Security updates for Friday

Security updates have been issued by Debian (chromium), Fedora (apache-commons-configuration, chromium, csmock, ofono, onnx, php-tcpdf, and podman-tui), Mageia (curl), Oracle (libreoffice), Slackware (coreutils, seamonkey, and util), SUSE (minidlna, PackageKit, and podman), and Ubuntu (linux-azure-6.5 and linux-intel-iotg, linux-intel-iotg-5.15).

Schaller: Fedora Workstation 40 – what are we working on

Christian Schaller writes about the desktop-oriented work aimed at the upcoming Fedora 40 release.

Another major feature landing in Fedora Workstation 40 that Jonas Ådahl and Ray Strode has spent a lot of effort on is finalizing the remote desktop support for GNOME on Wayland. So there has been support for remote connections for already logged in sessions already, but with these updates you can do the login remotely too and thus the session do not need to be started already on the remote machine. This work will also enable 3rd party solutions to do remote logins on Wayland systems, so while I am not at liberty to mention names, be on the lookout for more 3rd party Wayland remoting software becoming available this year.

[$] The race to replace Redis

On March 21, Redis Ltd. announced that the Redis "in-memory data store" project would now be released under non-free, source-available licenses, starting with Redis 7.4. The news is unwelcome, but not entirely unexpected. What is unusual with this situation is the number of Redis alternatives to choose from; there are at least four options to choose as a replacement for those who wish to stay with free software, including a pre-existing fork called KeyDB and the Linux Foundation's newly-announced Valkey project. The question now is which one(s) Linux distributions, users, and providers will choose to take its place.

[$] Declarative partitioning in PostgreSQL

Keith Fiske gave a talk (with slides) about the state of partitioning — splitting a large table into smaller tables for performance reasons — in PostgreSQL at SCALE this year. He spoke about the existing support for partitioning, what work still needs to be done, and what place existing partitioning tools, like his own pg_partman, still have as PostgreSQL gains more built-in features.

Samba 4.20.0 released

Version 4.20.0 of the Samba Windows interoperability suite has been released. Changes include better support for group-managed service accounts, an experimental Windows search protocol client, support for conditional access control entries, and more.

Security updates for Thursday

Security updates have been issued by Fedora (perl-Data-UUID, python-pygments, and thunderbird), Mageia (clojure, grub2, kernel,kmod-xtables-addons,kmod-virtualbox, kernel-linus, nss firefox, nss, python3, python, tcpreplay, and thunderbird), Oracle (nodejs:18), Red Hat (.NET 6.0 and dnsmasq), SUSE (avahi and python39), and Ubuntu (curl, linux-intel-iotg, linux-intel-iotg-5.15, unixodbc, and util-linux).

The PostgreSQL community mourns Simon Riggs

The PostgreSQL community is dealing with the loss of Simon Riggs, who passed away on March 26:

Simon was responsible for many of the enterprise features we find in PostgreSQL today, including point in time recovery, hot standby, and synchronous replication. He was the founder of 2ndQuadrant which employed many of the PostgreSQL developers, later becoming part of EDB where he worked as a Postgres Fellow until his retirement. He was responsible for the UK PostgreSQL conferences for many years until he passed that responsibility to PostgreSQL Europe last year.

[$] High-performance computing with Ubuntu

Jason Nucciarone and Felipe Reyes gave back-to-back talks about high-performance computing (HPC) using Ubuntu at SCALE this year. Nucciarone talked about ongoing work packaging Open OnDemand — a web-based HPC cluster interface — to make high-performance-computing clusters more user friendly. Reyes presented on using OpenStack — a cloud-computing platform — to pass the performance benefits of one's hardware through to virtual machines (VMs) running on a cluster.

Security updates for Wednesday

Security updates have been issued by Debian (composer and nodejs), Fedora (w3m), Mageia (tomcat), Oracle (expat, firefox, go-toolset:ol8, grafana, grafana-pcp, nodejs:18, and thunderbird), Red Hat (dnsmasq, expat, kernel, kernel-rt, libreoffice, and squid), and SUSE (firefox, krb5, libvirt, and shadow).

[$] GNOME 46 puts Flatpaks front and center

The GNOME project announced GNOME 46 (code-named "Kathmandu") on March 20. The release has quite a few updates and improvements across user applications, developer tools, and under the hood. One thing stood out while looking over this release—a major emphasis on Flatpaks as the way to acquire and update GNOME software.

Security updates for Tuesday

Security updates have been issued by CentOS (kernel), Debian (firefox-esr), Fedora (webkitgtk), Mageia (curaengine & blender and gnutls), Red Hat (firefox, grafana, grafana-pcp, libreoffice, nodejs:18, and thunderbird), SUSE (glade), and Ubuntu (crmsh, debian-goodies, linux-aws, linux-aws-6.5, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-oracle, linux-azure, linux-azure-5.4, linux-oracle, linux-oracle-5.15, pam, and thunderbird).

[$] Nix at SCALE

The first-ever NixCon in North America was co-located with SCALE this year. The event drew a mix of experienced Nix users and people new to the project. I attended talks that covered using Nix to build Docker images, upcoming changes to how NixOS performs early booting, and ideas for making the set of services provided in nixpkgs more useful for self hosting. (LWN covered the relationship between Nix, NixOS, and nixpkgs in a recent article.) Near the end of the conference, a collection of Nix contributors gave a "State of the Union" about the growth of the project and highlighting areas of concern.

[$] The rest of the 6.9 merge window

The 6.9-rc1 kernel prepatch was released on March 24, closing the merge window for this development cycle. By that time, 12,435 non-merge changesets had been merged into the mainline, making for a less-busy merge window than the last couple of kernel releases (but similar to the 12,492 seen for 6.5). Well over 7,000 of those changes were merged after the first-half merge-window summary was written, meaning that the latter part of the merge window brought many more interesting changes.

Security updates for Monday

Security updates have been issued by Debian (cacti, firefox-esr, freeipa, gross, libnet-cidr-lite-perl, python2.7, python3.7, samba, and thunderbird), Fedora (amavis, chromium, clojure, firefox, gnutls, kubernetes, and tcpreplay), Mageia (freeimage, libreswan, nodejs-hawk, and python, python3), Oracle (golang, nodejs, nodejs:16, and postgresql-jdbc), Slackware (emacs and mozilla), SUSE (dav1d, ghostscript, go1.22, indent, kernel, openvswitch, PackageKit, python-uamqp, rubygem-rack-1_4, shadow, ucode-intel, xen, and zziplib), and Ubuntu (firefox, graphviz, libnet-cidr-lite-perl, and qpdf).

Emacs 29.3 released

Version 29.3 of the Emacs editor has been released:

Emacs 29.3 is an emergency bugfix release; it includes no new features except a small number of changes intended to resolve security vulnerabilities uncovered in Emacs 29.2.

Those vulnerabilities mostly have to do with executing untrusted Lisp code; see the NEWS file for a bit more information.

Kernel prepatch 6.9-rc1

The 6.9-rc1 kernel prepatch is out for testing. Linus Torvalds described some rather large updates to the core kernel code that are coming for 6.9:
The timer subsystem had a fairly big rewrite, to have per-cpu timer wheels to improve performance of timers, which can be a big deal particularly for networking. The other fairly notable core update is to the workqueue subsystem, where one notable addition is for BH workqueue support. That's notable mainly because it means we finally have a way away from tasklets. The tasklet interface has basically been deprecated for a long while, but we've never really had any good alternatives (with threaded interrupt handlers being one suggested use-case, but not realistic in many cases).
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