Run cat ~/.ssh/known_hosts.
cat ~/.ssh/known_hosts
Mission 342
Known-hosts hygiene
Inspect stored host identities alongside a key fingerprint.
Security administrationcatssh-keygenstat
Lesson 342 of 360
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Security administration · 8 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
8 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run ssh-keygen -lf ~/.ssh/authorized_keys.
ssh-keygen -lf ~/.ssh/authorized_keys
Run stat ~/.ssh/known_hosts.
stat ~/.ssh/known_hosts
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Lesson support
What to notice while you play.
Build repeatable confidence with checking SSH host and key identity evidence.
Start with cat ~/.ssh/known_hosts, inspect the result, then continue in order.
Checking SSH host and key identity evidence helps operators explain what they know before they change anything.
- Skipping the output that proves checking SSH host and key identity evidence.
- Changing several things before recording a baseline.
Reference
Commands in this lesson.
cat <file>
Print text file contents.
stat <path>
Show lab file details.