Run uptime.
uptime
Mission 291
Incident resource spike
Build a resource snapshot before blaming a process.
Troubleshootinguptimetopfree
Lesson 291 of 360
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Troubleshooting · 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 top.
top
Run free -h.
free -h
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Lesson support
What to notice while you play.
Build a resource snapshot before blaming a process.
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.
top|pgrep|kill
Inspect simulated process health and signals.