Infrastructure and operations
Linux administration
Users, permissions, processes, services, logs and packages. The machine everything else runs on.
About 20 hours of study.
Where to learn it
Read
Linux Upskill Challenge
Livia Lima and contributors
Days 1–20
Twenty short daily lessons on a real server you set up yourself.
Section not checked yet
Watch
Practise
Wrong chapter, dead link, or know something better? Tell us on GitHub.
Which roles ask for it
- DevOps / site reliability engineer to get hired
- Platform engineer to get hired
- System administrator to get hired
- Database administrator to get hired
- Penetration tester to get hired
- Security engineer to get hired
- Cloud engineer to get hired
- Application support engineer to get hired
- Security analyst (SOC) to get hired
Before and after
Learn first
Linux administration