Mission 222

Nano rollback note

Write rollback notes after reading evidence.

Nano and editing
8 minutes Admin Lesson 222 of 360
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Lesson 222 of 360 0/360 lessons 0/17 missions Nano and editing · 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.

Read template

Run cat data/incident-template.md.

cat data/incident-template.md
Open rollback note

Run nano lab/rollback.md.

nano lab/rollback.md
Inspect rollback note

Run stat lab/rollback.md.

stat lab/rollback.md
Lesson support

What to notice while you play.

Objective

Write rollback notes after reading evidence.

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.

nano <file>

Open a simulated nano editor.

cat <file>

Print text file contents.

stat <path>

Show lab file details.