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j2k25 hackathon report from kn@: installer, low battery, and more

OpenBSD Journal
3 hónap óta

Fresh from the recently concluded j2k25 hackathon comes this report from Klemens Nanni (kn@), who writes:

New country, lots of ramen, friends and new folks - heck, yes!

Having missed the last four (our five?, hard to tell…) hackathons, j2k25 aligned just right to finish our holidays with beautiful sights and culinary delights between streaks of hacking, leaving all else aside for a solid week - it was refreshing retreat and sparked plans to make another, even longer trip through Japan!

This time, I brought a few unfished and/or unanswered diffs, but also specifically wanted to look into unfamiliar code, now that folks were around to ask for advice and discuss with.

First, the installer and rc(8) were due for cleanup: common code for randomness seed files used by bootloaders and rc seemed unnecessarily different, so I synced their logic, style and comments wrt. subtle, yet important details around the sticky(8) bit:

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Kernel prepatch 6.16-rc2

Linux Weekly News
3 hónap óta
Linus Torvalds has released 6.16-rc2, which is "admittedly even smaller than usual", though rc2 is not uncommonly one of the smaller release candidates. It may be that people are taking a breather after a fairly sizable merge window, but it might also be seasonal, with Europe starting to see summer vacations... We'll see how this goes.

The diffstat looks somewhat unusual, with a lot of one-liners with both ARC and pincontrol having (presumably independently) ended up doing some unrelated trivial cleanups.

But even that is probably noticeable only because everything else is pretty small. That "everything else" is mostly network drivers (and bluetooth) and bcachefs, with some rust infrastructure and core networking changes thrown in.

jake

[$] CoMaps emerges as an Organic Maps fork

Linux Weekly News
3 hónap óta
The open-source mobile app Organic Maps is used by millions of people on both the Android and iOS platforms. In addition to featuring offline maps (generated from OpenStreetMap cartography) and turn-by-turn navigation, it also promises its users greater privacy than proprietary options. However, controversial decisions taken by the project's leaders, feelings of disenfranchisement among contributors, and even accusations of embezzlement have precipitated a divide in the community, leading to a new fork called CoMaps.
corbet

Radicle Desktop released

Linux Weekly News
3 hónap óta

The Radicle peer-to-peer code collaboration project has released Radicle Desktop: a graphical interface designed to simplify more complex parts of using Radicle such as issue management and patch reviews.

Radicle Desktop is not trying to replace your terminal, IDE, or code editor - you already have your preferred tools for code browsing. It won't replace our existing app.radicle.xyz and search.radicle.xyz for finding and exploring projects. It also doesn't run a node for you. Instead, it communicates with your existing Radicle node, supporting your current workflow and encourages gradual adoption.

LWN covered Radicle in March 2024.

jzb

Security updates for Friday

Linux Weekly News
3 hónap óta
Security updates have been issued by AlmaLinux (.NET 8.0, .NET 9.0, glibc, kernel, and mod_security), Fedora (chromium, gh, mingw-icu, nginx-mod-modsecurity, python3.10, python3.9, thunderbird, valkey, and yarnpkg), Oracle (.NET 8.0, .NET 9.0, glibc, grafana-pcp, kernel, libxml2, mod_security, nodejs:20, and thunderbird), SUSE (audiofile, helm, kubernetes-old, kubernetes1.23, kubernetes1.24, libcryptopp, postgresql15, thunderbird, and valkey), and Ubuntu (linux-nvidia-tegra-igx).
daroc

dhcpd(8): use UDP sockets instead of BPF

OpenBSD Journal
3 hónap óta
In some cases, the current dhcpd(8) is not quite as reliable as one would want in providing the requested data to the actual requestor. After some rounds of discussion and experimentation, David Gwynne (dlg@) is circulating a diff on tech@ that switches the daemon to use UDP sockets instead of bpf.

The motivation is summarized as,

tl;dr this replaces bpf with udp sockets in dhcpd, mostly to make it better at replying with the ip that requests were sent to.

and the full message, with the subject dhcpd(8): use UDP sockets instead of BPF reads,

List: openbsd-tech Subject: dhcpd(8): use UDP sockets instead of BPF From: David Gwynne <david () gwynne ! id ! au> Date: 2025-06-13 3:29:20 tl;dr this replaces bpf with udp sockets in dhcpd, mostly to make it better at replying with the ip that requests were sent to. ive been hacking on this because of a problem at work, which i want to solve by setting up a bunch of "anycast" dhcp servers. ie, i want to have multiple dhcpd on separate servers with the same IP assigned as an alias on all of them.

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