How-toKeep the systemd journal across reboots and cap its sizeMake journald keep logs across reboots, set a size ceiling, verify it worked, and undo it. Applies to systemd-based Linux distributions. 2 min read
Linux Linuxjournalctl: Stop Scrolling Your Logs, Start Asking Them QuestionsMost of us run journalctl, hit End and squint. A few flags (-u, -b, -p, --since, -g, -o json) turn the journal into something you can interrogate. Here is the short tour.CRclaude Routines · October 14, 2026 · 5 min read