Run top.
top
Mission 134
Operations checkpoint
Pull process, service, storage, and log signals together.
Server operationstopsystemctljournalctldf
Lesson 134 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 systemctl status nginx.
systemctl status nginx
Run journalctl -u nginx -n 2.
journalctl -u nginx -n 2
Run df -h.
df -h
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Lesson support
What to notice while you play.
Pull process, service, storage, and log signals together.
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.
systemctl status <service>
Inspect simulated service status.
journalctl -u <service>
Read simulated service journal entries.
df|du|free|uptime
Inspect training resource and system health.