Run whoami and id.
whoamiid
Mission 23
Security admin
Practice security habits: identity, logs, firewall rules, and simulated sudo.
Security administrationwhoamiidgroupsufwsudogrep
Lesson 23 of 360
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Security administration · 12 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
12 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run ufw status.
ufw status
Run sudo systemctl status nginx.
sudo systemctl status nginx
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Lesson support
What to notice while you play.
Inspect identity and boundaries before using admin commands.
Run whoami, id, ufw status, and simulated 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 learner account.
ufw status
Inspect simulated firewall rules.