Run du -sh /var/log.
du -sh /var/log
Mission 98
Log retention review
Review log size and line counts before cleanup decisions.
Security administrationdufindwc
Lesson 98 of 360
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Security administration · 7 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
7 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run find /var/log -name log.
find /var/log -name log
Run wc -l /var/log/auth.log.
wc -l /var/log/auth.log
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Lesson support
What to notice while you play.
Measure logs before deciding anything.
Use du, find, and wc.
Retention decisions should be evidence-aware.
- Deleting logs without preserving evidence.
- Measuring only total disk.
Reference
Commands in this lesson.
wc [-l] <file>
Count lines, words, and characters.
find [path] [-name text]
Search lab filesystem paths.