The chapters are a reference: quick answers, one command at a time. The guides are different — each one walks you through a whole topic from start to finish, in plain language, building one idea at a time.
Guides
Longer, step-by-step guides that go deeper than a single chapter.
- SSH — From Passwords to Keys
- tmux — Staying Attached
- Bash — Scripts That Hold Up
- SSH — Hardening the Server
- Troubleshooting — When the Terminal Says No
- Systemd Timers — Your Script, on a Clock
- The Filesystem Layout — What Lives Where
- User & Group Management — Create, Modify, and Remove Accounts
- Find — Locate Anything, Safely