Mission 226

SSH directory audit

Review SSH directory and file modes together.

Permissions and users
8 minutes Admin Lesson 226 of 360
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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.

Inspect SSH directory

Run stat ~/.ssh.

stat ~/.ssh
Inspect authorized keys

Run stat ~/.ssh/authorized_keys.

stat ~/.ssh/authorized_keys
List SSH files

Run ls -la ~/.ssh.

ls -la ~/.ssh
Lesson support

What to notice while you play.

Objective

Review SSH directory and file modes together.

Hint

Run the commands in order and compare the outputs.

Why it matters

Junior operators build confidence by gathering evidence before changing systems.

Common mistakes
  • Skipping the inspection step.
  • Assuming one command tells the whole story.
Reference

Commands in this lesson.

ls [-la] [path]

List lab files and folders.

stat <path>

Show lab file details.

lsof

Show simulated files and sockets opened by services.