Run cp restore/index.html lab/restore-candidate.html.
cp restore/index.html lab/restore-candidate.html
Mission 315
Restore copy verification
Copy a restore candidate and compare it with its source.
Files and pathscpdiffsha256sum
Lesson 315 of 360
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Files and paths · 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 diff restore/index.html lab/restore-candidate.html.
diff restore/index.html lab/restore-candidate.html
Run sha256sum lab/restore-candidate.html.
sha256sum lab/restore-candidate.html
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Lesson support
What to notice while you play.
Build repeatable confidence with verifying a copied restore candidate.
Start with cp restore/index.html lab/restore-candidate.html, inspect the result, then continue in order.
Verifying a copied restore candidate helps operators explain what they know before they change anything.
- Skipping the output that proves verifying a copied restore candidate.
- Changing several things before recording a baseline.
Reference
Commands in this lesson.
diff <left> <right>
Compare two lab text files.
sha256sum <file>
Print a deterministic training checksum.
cp <src> <dst>
Copy a file.