Run tar -cf lab/readme-backup.tar README.txt.
tar -cf lab/readme-backup.tar README.txt
Mission 317
Archive manifest workflow
Create an archive, list its members, and hash the artifact.
Files and pathstarsha256sum
Lesson 317 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 tar -tf lab/readme-backup.tar.
tar -tf lab/readme-backup.tar
Run sha256sum lab/readme-backup.tar.
sha256sum lab/readme-backup.tar
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Lesson support
What to notice while you play.
Build repeatable confidence with verifying archive membership before trusting a backup.
Start with tar -cf lab/readme-backup.tar README.txt, inspect the result, then continue in order.
Verifying archive membership before trusting a backup helps operators explain what they know before they change anything.
- Skipping the output that proves verifying archive membership before trusting a backup.
- Changing several things before recording a baseline.
Reference
Commands in this lesson.
sha256sum <file>
Print a deterministic training checksum.
tar -cf|-tf <archive>
Create and list training archives.