docs: add systemd howto

Covers systemctl, journalctl, unit files, service types, restart policies, dependencies, timers with OnCalendar, and targets.
2026-02-21 20:51:52 +01:00
parent 60f9c85f3f
commit 731e8445c7
2 changed files with 334 additions and 1 deletions
--- a/TODO.md
+++ b/TODO.md
@@ -7,7 +7,7 @@
 - [ ] podman — build, run, compose, volumes
 - [x] jq — filters, select, map, slurp, recipes, @format
 - [x] curl — methods, headers, auth, upload, download, cookies, -w format
- [ ] systemd — units, journalctl, timers
+- [x] systemd — units, journalctl, timers, targets, dependencies, hardening
 - [x] ssh — config, tunnels, keys, agent, file transfer, hardening
 - [ ] bash — parameter expansion, arrays, traps
 - [ ] make — targets, variables, patterns