Latest Linux and open source news from around the web

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LPI

DevOps Tools Introduction #10: Basic Kubernetes Operations

Objective 703.2 of the DevOps Tools Engineer 2.0 exam covers Basic Kubernetes Operations. It represents a significant portion of the exam and requires a solid understanding of how to deploy and manage applications in Kubernetes. Candidates should be able to: ... Read more The post DevOps Tools Introduction #10: Basic Kubernetes Operations appeared first on Linux Professional Institute (LPI).

LWN.net

LibreQoS v2.0 released

Version 2.0 of the LibreQoS traffic-management and network operations platform has been released. This release makes LibreQoS easier to operate, easier to understand, and much more useful for day-to-day network work. Now users can see more of what is happening across the network, troubleshoot subscriber issues with better tools, and work from a much stronger local WebUI. This release includes many capabilities that reflect ideas and direction long championed by our late colleague, Dave Tรคht. Dave's work helped shape the understanding of bufferbloat and the importance of latency under load across the networking community. His influence continues to guide both LibreQoS and the broader effort to improve Internet quality. The project has also announced the release of the LibreQoS Bufferbloat Test v2, also dedicated to Tรคht. It runs in a user's browser to look at "latency under load, jitter, loss, and what those things mean for the kinds of traffic people actually care about: browsing, stre

LWN.net

[$] More efficient removal of pages from the direct map

The kernel's direct map provides code running in kernel mode with direct access to all physical memory installed in the system โ€” on 64-bit systems, at least. It obviously makes life easier for kernel developers, but the direct map also brings some problems of its own, most of which are security-related. Interest in removing at least some pages from the direct map has been simmering for years; a couple of patch sets under discussion show some use cases for memory that has been removed from the direct map, and how such memory might be efficiently managed.

LWN.net

Five new stable kernels

Greg Kroah-Hartman has announced the release of the 6.19.10, 6.18.20, 6.12.78, 6.6.130, and 6.1.167 stable kernels. Each contains important fixes throughout the tree. Users are advised to upgrade.

LWN.net

Security updates for Wednesday

Security updates have been issued by Debian (chromium), Fedora (chromium, containernetworking-plugins, musescore, and python-multipart), Mageia (perl-XML-Parser, roundcubemail, trilead-ssh2, vim, and webkit2), Oracle (389-ds:1.4, gimp:2.8, glibc, gnutls, kernel, libarchive, nginx:1.24, opencryptoki, python3, uek-kernel, vim, yggdrasil, and yggdrasil-worker-package-manager), Red Hat (delve, osbuild-composer, and skopeo), Slackware (mozilla), SUSE (dpkg, go1.26-openssl, gstreamer-plugins-ugly, kernel, libssh, ovmf, python-pyasn1, python-tornado6, python311, salt, sqlite3, and systemd), and Ubuntu (linux-aws-fips, linux-azure, linux-azure-fips, linux-fips, linux-gcp-fips, linux-iot, linux-kvm, pjproject, and redis).

Phoronix

KDE Plasma 6.6 Delivers An Impressive Edge For Radeon Graphics Over GNOME 50 On Ubuntu 26.04

In testing thus far on Ubuntu 26.04, the KDE Plasma 6.6 desktop with the Wayland session is working pretty darn well and delivering a performance edge across many games/graphics workloads compared to the default GNOME 50 desktop. At least as far as AMD Radeon graphics are concerned, Plasma 6.6 is in quite impressive shape for the upcoming Ubuntu 26.04 LTS release.

Phoronix

Intel Announces Arc Pro B70 With 32GB GDDR6 Video Memory

Alongside announcing the new Intel Core Ultra Series 3 Panther Lake parts with vPro for commercial PCs and the Xeon 600 workstation processors, Intel finally announced their professional "big Battlemage" BMG-G31 graphics card with the Arc Pro B70 as well as the Arc Pro B65...