Learn Linux administration from the first command.
Begin Linux is a free learning path for people who want to work with Linux professionally: help-desk technicians, junior system administrators and anyone switching into IT. Short guides, real commands, no fluff.
1. The shell
Navigate, read and edit files, and understand what a command actually does.
2. Users & permissions
Why chmod 777 is wrong and what to do instead.
3. Remote access
SSH keys, hardening and the habits that keep servers safe.
4. Servers
Services, logs, packages and the first web, DNS and mail servers.
Start with the learning path or jump straight to the guides.