Run cat ~/.ssh/known_hosts.
cat ~/.ssh/known_hosts
Mission 247
Known host key context
Review SSH host identity without connecting.
Security administrationcatgrepssh
Lesson 247 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 grep clairos ~/.ssh/known_hosts.
grep clairos ~/.ssh/known_hosts
Run ssh -G lab.
ssh -G lab
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Lesson support
What to notice while you play.
Review SSH host identity without connecting.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
- Skipping the inspection step.
- Assuming one command tells the whole story.
Reference
Commands in this lesson.
cat <file>
Print text file contents.
grep [-i] <text> <file>
Find literal text inside a file.
ssh|scp|ssh-keygen
Practice SSH inspection and dry-run transfer shapes without network access.