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Keep track of your notes using QOwnNotes
A deep dive into the open source note-taking application QOwnNotes and its scripting ecosystem.
Sparkling gems and new releases from the world of Free and Open Source Software
Nate explores the top FOSS including the latest version of Firefox, an elegant Wikipedia reader for Gnome, a spooky first-person shooter, and a useful QR code generator.
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In the news: Linux Kernel 6.16 Reaches EOL; Amazon Ditches Android for a Linux-Based OS; Cairo Dock 3.6 Now Available for More Compositors; System76 Unleashes Pop!_OS 24.04 Beta; Linux Kernel 6.17 Available; Kali Linux 2025.3 Released with New Hacking Tools; Zorin OS 18 Beta Available for Testing; and Fedora Linux 43 Beta Available for Testing.
Steam Deck 2 Rumors Ignite a New Era for Linux Gaming
by George Whittaker The speculation around a successor to the Steam Deck has stirred renewed excitement, not just for a new handheld, but for what it signals in Linux-based gaming. With whispers of next-gen specs, deeper integration of SteamOS, and an evolving handheld PC ecosystem, these rumors are fueling broader hopes that Linux gaming is entering a more mature age. In this article we look at the existing rumors, how they tie into the Linux gaming landscape, why this matters, and what to watch. What the Rumours Suggest Although Valve has kept things quiet, multiple credible outlets report about the Steam Deck 2 being in development and potentially arriving well after 2026. Some of the key tid-bits: Editorials note that Valve isn’t planning a mere spec refresh; it wants a “generational leap in compute without sacrificing battery life”. A leaked hardware slide pointed to an AMD “Magnus”-class APU built on Zen 6 architecture being tied to next-gen handhelds, including speculation about
Organized Team Chat the FOSS way: Meet Zulip
Communication is crucial for organizational success but remains a challenge. Zulip aims to address this with its innovative team chat platform. Tim Abbott, Zulip’s Founder and CEO, shares how the platform uniquely structures conversations to improve efficiency, especially for distributed ... Read more The post Organized Team Chat the FOSS way: Meet Zulip appeared first on Linux Professional Institute (LPI).
Kali Linux 2025.3 Lands: Enhanced Wireless Capabilities, Ten New Tools & Infrastructure Refresh
by George Whittaker Introduction The popular penetration-testing distribution Kali Linux has dropped its latest quarterly snapshot: version 2025.3. This release continues the tradition of the rolling-release model used by the project, offering users and security professionals a refreshed toolkit, broader hardware support (especially wireless), and infrastructure enhancements under the hood. With this update, the distribution aims to streamline lab setups, bolster wireless hacking capabilities (particularly on Raspberry Pi devices), and integrate modern workflows including automated VMs and LLM-based tooling. In this article, we’ll walk through the key highlights of Kali Linux 2025.3, how the changes affect users (both old and new), the upgrade path, and what to keep in mind for real-world deployment. What’s New in Kali Linux 2025.3 This snapshot from the Kali team brings several categories of improvements: tooling, wireless/hardware support, architecture changes, virtualization/image w
How to rebase to Fedora Linux 43 on Silverblue
Fedora Silverblue is an operating system for your desktop built on Fedora Linux. It’s excellent for daily use, development, and container-based workflows. It offers numerous advantages such as being able to roll back in case of any problems. If you want to rebase to Fedora Linux 43 on your Fedora Silverblue system, this article tells you how. It not […]
Fedora Linux 43 is here!
I’m excited to announce my very first Fedora Linux release as the new Fedora Project Leader. Fedora Linux 43 is here! 43 releases! Wow that’s a lot. I was thinking about proposing special tetracontakaitrigon stickers to celebrate this release, but I’m not sure anyone would notice they weren’t circles. Thank you and congrats to everyone […]
What’s New in Fedora Workstation 43
Below are a few noteworthy changes in the latest release of Fedora Workstation that we think you will love. Upgrade today from the official website, or upgrade your existing install using GNOME Software or through the terminal with dnf system-upgrade. GNOME 49 Fedora Linux 43 Workstation also ships with the brand-new GNOME 49 release, bringing […]
What’s new for Fedora Atomic Desktops in Fedora Linux 43
Fedora Linux 43 has been released! 🎉 So, let’s see what is included in this new release for the Fedora Atomic Desktops variants (Silverblue, Kinoite, Sway Atomic, Budgie Atomic and COSMIC Atomic). Changes for all variants zstd compressed initrds Alongside the rest of Fedora, we are now compressing our initrds with the Zstandard (zstd) algorithm. […]
What’s new in Fedora KDE Plasma Desktop 43
Fedora has released Fedora KDE Plasma Desktop Edition 43 to the public. The Fedora KDE Plasma Desktop Edition is well suited for many needs. It combines the reliable and trusted Fedora Linux base with the KDE Plasma Desktop environment. It provides a selection of KDE applications that are simple by default, but powerful when needed. […]
VMScape: Cracking VM-Host Isolation in the Speculative Execution Age & How Linux Patches Respond
by George Whittaker Introduction In the world of modern CPUs, speculative execution, where a processor guesses ahead on branches and executes instructions before the actual code path is confirmed, has long been recognized as a performance booster. However, it has also given rise to a class of vulnerabilities collectively known as “Spectre” attacks, where microarchitectural side states (such as the branch target buffer, caches, or predictor state) are mis-exploited to leak sensitive data. Now, a new attack variant, dubbed VMScape, exposes a previously under-appreciated weakness: the isolation between a guest virtual machine and its host (or hypervisor) in the branch predictor domain. In simpler terms: a malicious VM can influence the CPU’s branch predictor in such a way that when control returns to the host, secrets in the host or hypervisor can be exposed. This has major implications for cloud security, virtualization environments, and kernel/hypervisor protections. In this article we’
Self-Tuning Linux Kernels: How LLM-Driven Agents Are Reinventing Scheduler Policies
by George Whittaker Introduction Modern computing systems rely heavily on operating-system schedulers to allocate CPU time fairly and efficiently. Yet many of these schedulers operate blindly with respect to the meaning of workloads: they cannot distinguish, for example, whether a task is latency-sensitive or batch-oriented. This mismatch, between application semantics and scheduler heuristics, is often referred to as the semantic gap. A recent research framework called SchedCP aims to close that gap. By using autonomous LLM‐based agents, the system analyzes workload characteristics, selects or synthesizes custom scheduling policies, and safely deploys them into the kernel, without human intervention. This represents a meaningful step toward self-optimizing, application-aware kernels. In this article we will explore what SchedCP is, how it works under the hood, the evidence of its effectiveness, real-world implications, and what caveats remain. Why the Problem Matters At the heart of t
Bcachefs Ousted from Mainline Kernel: The Move to DKMS and What It Means
by George Whittaker Introduction After years of debate and development, bcachefs—a modern copy-on-write filesystem once merged into the Linux kernel—is being removed from mainline. As of kernel 6.17, the in-kernel implementation has been excised, and future use is expected via an out-of-tree DKMS module. This marks a turning point for the bcachefs project, raising questions about its stability, adoption, and relationship with the kernel development community. In this article, we’ll explore the background of bcachefs, the sequence of events leading to its removal, the technical and community dynamics involved, and implications for users, distributions, and the filesystem’s future. What Is Bcachefs? Before diving into the removal, let’s recap what bcachefs is and why it attracted attention. Origin & goals: Developed by Kent Overstreet, bcachefs emerged from ideas in the earlier bcache project (a block-device caching layer). It aimed to build a full-featured, general-purpose filesystem co