Run df -h.
df -h
Mission 22
Resource inspection
Read simulated disk, memory, uptime, and directory usage signals.
Server operationsdfdufreeuptime
Lesson 22 of 360
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Server operations · 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 du -sh /var/log.
du -sh /var/log
Run free -h and uptime.
free -huptime
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Lesson support
What to notice while you play.
Use resource commands as read-only health checks.
Run df -h, du -sh /var/log, free -h, and uptime.
Capacity issues often explain service symptoms.
- Checking services but not disk.
- Ignoring uptime after a suspected reboot.
Reference
Commands in this lesson.
df|du|free|uptime
Inspect training resource and system health.