Notes & Docs

Personal reference notes. Nothing fancy.

Shell

• journalctl -u <unit> -f — follow a unit's log
• ss -tlnp — what is listening, with process names
• rsync -avh --dry-run src/ dst/ — preview before you copy

Git

• git switch -c topic — branch and check out in one step
• git restore --staged <file> — unstage without losing edits
• git log --oneline --graph --decorate — readable history

Reading list

• The Practice of System and Network Administration
• Designing Data-Intensive Applications
• Systems Performance, 2nd ed.