Run tar -cf backups/site-check.tar /srv/www/index.html.
tar -cf backups/site-check.tar /srv/www/index.html
Mission 208
Archive verification
List archive contents and compare checksums before trusting a backup.
Files and pathstarsha256sumcat
Lesson 208 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 backups/site-check.tar.
tar -tf backups/site-check.tar
Run cat backups/manifest.txt.
cat backups/manifest.txt
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Lesson support
What to notice while you play.
List archive contents and compare checksums before trusting a backup.
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.
sha256sum <file>
Print a deterministic training checksum.
tar -cf|-tf <archive>
Create and list training archives.