SSH keys and ~/.ssh/config
If you connect to more than a couple of servers, ~/.ssh/config saves a lot of typing: ssh name instead of a long command.
Notes from the terminal
Linux, networking and a bit of code.
Backing up a home server with restic
I kept postponing proper backups until a disk in my home server died. Now everything is copied every night with restic — here is the minimal setup that works.
systemd timers instead of cron
Cron is still around, but for recurring jobs I increasingly use systemd timers: logs in journald, dependencies, and catching up on missed runs after a reboot.