Run systemctl cat nginx.
systemctl cat nginx
Mission 340
Server operations bridge
Checkpoint unit, journal, process, and storage evidence.
Server operationssystemctljournalctltopdf
Lesson 340 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 journalctl -u nginx -n 2.
journalctl -u nginx -n 2
Run top.
top
Run df -h.
df -h
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Lesson support
What to notice while you play.
Build repeatable confidence with building an operator baseline before intervention.
Start with systemctl cat nginx, inspect the result, then continue in order.
Building an operator baseline before intervention helps operators explain what they know before they change anything.
- Skipping the output that proves building an operator baseline before intervention.
- Changing several things before recording a baseline.
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.