Ubuntu 24.04 to 26.04 LTS Upgrade Preflight: Six Checks Before You Run do-release-upgrade Ubuntu 26.04 LTS is out, and Ubuntu 24.04 systems are the natural upgrade candidates. The upgrade tool will do the... Sep 26, 2026 5 min read Linux
CVE-2026-96512: The Sudo TZ Bypass That Defeats NOTBEFORE/NOTAFTER Time Restrictions, and the One-Line Fix If your sudoers file uses time-based access windows, NOTBEFORE and NOTAFTER rules that grant a user or group elevated access... Sep 25, 2026 4 min read Linux
CISA Flags Three Actively Exploited Linux Kernel CVEs: Patch Deadline Already Passed CISA added three actively exploited Linux kernel vulnerabilities to its Known Exploited Vulnerabilities catalog on September 18, 2026, with a... Sep 24, 2026 5 min read Linux / Security
Systemd 262: RestartRandomizedDelaySec, Deeper Kexec Live Updates, and What Actually Breaks Systemd 262, released September 22, 2026, is a significant update for anyone administering Linux servers: hardware-rooted security tied to TPM,... Sep 23, 2026 5 min read Linux
Ubuntu Rust Coreutils Migration: What Actually Breaks in Scripts and How to Fix It Ubuntu has been quietly replacing the GNU coreutils that every Linux script implicitly depends on with a Rust-based reimplementation, and... Sep 17, 2026 5 min read Linux
Who Actually Runs the Internet: The Standards Bodies Behind Linux and Networking Every command you type on a Linux box, and every website that server talks to, rests on a stack of... Sep 7, 2026 4 min read Linux
Essential Linux Commands Every Windows Sysadmin Should Know A Windows-to-Linux cheat sheet: Event Viewer, Services.msc, Task Manager, Group Policy, Local Users and Groups, the Registry, Windows Firewall, and Scheduled Tasks, mapped to their real Linux equivalents. Sep 6, 2026 4 min read Linux
How to Troubleshoot a Failed systemd Service on Linux A step-by-step troubleshooting order for a Linux service that won’t start: systemctl status, journalctl, config validation, port conflicts, permissions, SELinux/AppArmor, and dependencies. Sep 6, 2026 4 min read Linux
Top 10 Linux Tips for Linux System Optimization Linux is known for its stability, efficiency, and flexibility, but even the best systems can benefit from a little fine-tuning.... Jun 18, 2025 6 min read Linux
