Inspect identity and boundaries before using admin commands.
Mission 23
Security admin
Practice safe security habits: identity, logs, firewall rules, and fake sudo.
Security administration
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Lesson support
What to notice while you play.
Run whoami, id, ufw status, and fake sudo status.
Security work starts by confirming who you are and what you can affect.
- Assuming sudo means unlimited access.
- Changing rules before reading current state.
Reference
Commands in this lesson.
grep [-i] <text> <file>
Find literal text inside a file.
whoami|id|groups
Inspect the fake learner account.
ufw status
Inspect fake firewall rules.