Practical Linux tips and tricks – terminal shortcuts, productivity hacks, and configuration tweaks for Ubuntu and other distros.
One of the patch series going through nearly a dozen revisions now is for introducing a cold reset recovery method for the Direct Rendering Manager (DRM) drivers with an initial focus on the Intel Xe kernel graphics driver. The cold reset recovery is for handling of errors that require a complete device power cycle in…
GNOME is reducing its security vulnerability disclosure deadline from 90 days to 30 days in response to the rise of AI-generated submissions. The new deadline applies to security issues reported on or after August 1, 2026. Previously, GNOME kept security reports confidential for up to 90 days to allow maintainers time to prepare and release…
Mozilla has released Firefox 153 with built-in containers, QR code generation and more quick actions in the address bar. This is the final “monthly” stable release before Mozilla moves to a faster release cadence, putting out new stable versions of Firefox every two weeks. On an unrelated note, Firefox has decided to resume activity on…
Commenting out a block of lines is one of those edits you make constantly: disabling a section of a config file, switching off a function while debugging, or keeping an old approach around while testing a new one. In most editors that is select plus a single shortcut. Classic Vim has no comment shortcut out…
With Intel’s next-generation Xeon Diamond Rapids processors not slated to launch until next year and with AMD EPYC Venice being right around the corner, Intel announced today that with upcoming BIOS updates they will be expanding the range of RDIMM and MRDIMM memory support for current-generation Xeon 6 and Xeon 6+ processors. As shown in…
NetworkManager, a system service and set of tools for managing network connections adopted by most Linux distributions, has just released version 1.58, adding support for CLAT, implemented with a BPF program and managed by the new ipv4.clat property. This feature is currently disabled by default, but it enables IPv4 connectivity over IPv6-only networks. The related…
43 Sarah’s Security Brief: Flathub just drew a hard line against AI-generated applications. I have spent the last week dissecting the policy, the data, and the implications for every Linux user who cares about software quality. Here is what you need to know. On May 29, 2026, Bart Piotrowski, Flathub’s lead operator, announced a policy…
When SSH stops accepting a key after you copy files to a new computer, restore a backup, or change ownership, the first place to check is ~/.ssh. OpenSSH uses this directory for your private and public keys, trusted host records, and per-host connection settings. Some files inside the directory are public, while others must stay…
This walks through what a Claude Code Skill actually is, how to install pre-built skills from Anthropic’s marketplace, how to drop a custom SKILL.md file into place by hand, and how to write your own skill from scratch on Linux. Most people assume Claude Code figures out every task the same way, by reading your…
The idea that Wayland has worse input lag than X11 has been floating around Linux gaming circles for years. Some numbers backing the claim did come up back in 2025, when a developer measured GNOME’s Wayland session against X11 and reported some considerable extra latency. More recently, Marco Nett decided to test the same question…
