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FFmpeg Adds AMD AMF Decoder, FSR-Based Upscaling

Phoronix - Tor, 02/04/2025 - 18:55
Landing this week in the FFmpeg open-source library that is widely-used by multimedia applications was NVIDIA video acceleration improvements for Blackwell GPUs. Over on the AMD side, there are also some interesting changes to have been merged this week into upstream FFmpeg...

Open Hardware/Modding: Raspberry Pi, Arduino, and More

tuxmachines.org - Tor, 02/04/2025 - 18:48
Hardware leftovers

Optimizing The Linux Kernel With PGO Can Yield ~3% Benefit For HPC Workloads

Phoronix - Tor, 02/04/2025 - 18:37
While the Linux kernel itself may not be often viewed as a bottleneck to typical high performance computing (HPC) workloads, optimizing the Linux kernel with Profile Guided Optimizations (PGO) can prove worthwhile for those seeking maximum performance potential. A presentation this past weekend at FOSDEM 2025 is highlighting around a 3% performance gain for HPC software compiled with PGO enabled...

[$] An update on sealed system mappings

LWN.net - Tor, 02/04/2025 - 18:31

Jeff Xu has been working on a patch set that makes certain mappings in a process's address space impossible to change, sealing them against tampering. This has some potential security benefits — mainly, making sure that someone cannot relocate the vsyscall and vDSO mappings — but some kernel developers haven't been impressed with the patches. While the core functionality (sealing the mappings) is sound, some of the supporting code for enabling and disabling the new feature caused concern by going against the normal design for such things. Reviewers also questioned how this feature would interact with checkpointing and with sandboxing.

Redox OS Makes Progress On Dynamic Linking, New Ports

Phoronix - Tor, 02/04/2025 - 17:49
The Rust-written Redox OS open-source operating system is out with a new status report to highlight the progress their developers made over the course of January...

Firefox 135.0 released

LWN.net - Tor, 02/04/2025 - 16:34
Version 135.0 of the Firefox web browser has been released. Changes include more languages for the translations feature, increasing roll-out of the credit-card autofill and AI chatbot features, and (perhaps most welcome):

Firefox now includes safeguards to prevent sites from abusing the history API by generating excessive history entries, which can make navigating with the back and forward buttons difficult by cluttering the history. This intervention ensures that such entries, unless interacted with by the user, are skipped when using the back and forward buttons.

FFmpeg Lands Video Encoding/Decoding Improvements For NVIDIA Blackwell GPUs

Phoronix - Tor, 02/04/2025 - 16:27
Merged this week to FFmpeg Git for this widely-used open-source multimedia library are a number of NVIDIA video encoding "NVENC" improvements for benefiting the new GeForce RTX 50 "Blackwell" graphics processors...

Security updates for Tuesday

LWN.net - Tor, 02/04/2025 - 16:23
Security updates have been issued by Debian (openjdk-17), Fedora (chromium, fastd, ovn, and yq), Mageia (libxml2 and redis), Oracle (gstreamer1-plugins-base, gstreamer1-plugins-good), Red Hat (buildah, bzip2, galera, mariadb, grafana, keepalived, libsoup, mariadb:10.11, mariadb:10.5, mingw-glib2, podman, python-jinja2, and rsync), SUSE (bind, ignition, java-11-openjdk, java-17-openjdk, krb5, libxml2, openssl-1_1, orc, python-asteval, rsync, and xrdp), and Ubuntu (harfbuzz, libndp, libvpx, and opencv).

today's leftovers

tuxmachines.org - Tor, 02/04/2025 - 14:53
GNU/Linux and more

Hardware and Hacking: Devices With Linux and More

tuxmachines.org - Tor, 02/04/2025 - 14:47
some devices and such stuff

Ubuntu Infrastructure Woe Continues Making It A Hassle To Run The Latest Upstream Kernel

Phoronix - Tor, 02/04/2025 - 14:42
The Ubuntu Mainline Kernel PPA for years has been a great feature for Ubuntu users to be able to easily fetch and run the newest upstream kernel whether it's the latest stable kernel version, one of the weekly release candidates, or even the very leading-edge daily Git kernel builds. Sadly for months now this service has been out of order...

Kdenlive fundraising final report

tuxmachines.org - Tor, 02/04/2025 - 14:07
One of the topic discussed was improving our communication towards users

Popular Linux Orgs Freedesktop, Alpine Linux Are Scrambling For New Web Hosting

Slashdot Linux - Tor, 02/04/2025 - 14:00
An anonymous reader quotes a report from Ars Technica: In what is becoming a sadly regular occurrence, two popular free software projects, X.org/Freedesktop.org and Alpine Linux, need to rally some of their millions of users so that they can continue operating. Both services have largely depended on free server resources provided by Equinix (formerly Packet.net) and its Metal division for the past few years. Equinix announced recently that it was sunsetting its bare-metal sales and services, or renting out physically distinct single computers rather than virtualized and shared hardware. As reported by the Phoronix blog, both free software organizations have until the end of April to find and fund new hosting, with some fairly demanding bandwidth and development needs. An issue ticket on Freedesktop.org's GitLab repository provides the story and the nitty-gritty needs of that project. Both the X.org foundation (home of the 40-year-old window system) and Freedesktop.org (a shared base of specifications and technology for free software desktops, including Wayland and many more) used Equinix's donated space. [...] Alpine Linux, a small, security-minded distribution used in many containers and embedded devices, also needs a new home quickly. As detailed in its blog, Alpine Linux uses about 800TB of bandwidth each month and also needs continuous integration runners (or separate job agents), as well as a development box. Alpine states it is seeking co-location space and bare-metal servers near the Netherlands, though it will consider virtual machines if bare metal is not feasible.

Read more of this story at Slashdot.

What’s new in GTK, winter 2025 edition

tuxmachines.org - Tor, 02/04/2025 - 13:53
We just had a GTK hackfest at FOSDEM. A good time for an update on whats new and exciting in GTK, with an eye towards 4.18

today's howtos

tuxmachines.org - Tor, 02/04/2025 - 13:42
Instructionals/Technical links

Qubes OS 4.2.4-rc1 is available for testing

tuxmachines.org - Tor, 02/04/2025 - 13:39
Our goal is to provide a secure and convenient way for users to install (or reinstall) the latest stable Qubes release with an up-to-date ISO
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