How to Fix “zsh: command not found: codex”
You install the OpenAI Codex CLI, open a new terminal, type codex—and zsh throws this back at you: This error is…
Filtering UDP Packets with the tcpdump Command
tcpdump is a powerful command-line packet analyzer that lets you capture and inspect network traffic in real time. When you need…
Plasma 6.8 This Week: QtWidgets Apps Join KDE’s Union Theming
KDE’s next desktop, Plasma 6.8, is due on October 14, 2026. This week’s standout lets KDE’s new Union system style…
Why Linux Kernel CVEs Are Exploding—From 500 to Nearly 2,000 Per Release
The number of CVEs fixed in each Linux kernel release is climbing fast. Not long ago, a release closed about…
Flatpak’s Sandbox Gets a €508,640 Upgrade to Catch Up With Mobile
Flatpak’s sandbox is about to get serious attention. Germany’s Sovereign Tech Agency is putting €508,640 into hardening it. The money…
Ubuntu 26.04.1 LTS “Resolute Raccoon” Is Out—What the Point Release Brings
Canonical has released Ubuntu 26.04.1 LTS. It’s the first point release of the 26.04 LTS series, codenamed “Resolute Raccoon.” The…
Flatpak 1.18.2 Lands With Sandbox, System Helper, and Portal Fixes
Flatpak has a new point release. Version 1.18.2 is the second maintenance update in the 1.18 series. It ships fixes…
Multikernel Linux Goes Public: Many Kernels, One Machine, No Hypervisor
Most ways of carving up a server lean on a hypervisor. Multikernel takes a different route. It boots several independent…
GNU Emacs 31.1 Released With Terminal Mouse Support and a Friendlier Default
The GNU Project has released Emacs 31.1. The long-running text editor landed on August 24, 2026. This version bundles a…
Manjaro’s First 26.1 “Bian-May” Point Release Adds Linux 7.2
Manjaro has pushed out a new stable update. It’s the first point release in the current 26.1 “Bian-May” series. The…