Run pgrep nginx.
pgrep nginx
Mission 277
Signal choice review
Record signal intent without stopping anything.
Package/process opspgrepkilljournalctl
Lesson 277 of 360
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Package/process ops · 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 kill 42.
kill 42
Run journalctl -u nginx -n 2.
journalctl -u nginx -n 2
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Lesson support
What to notice while you play.
Record signal intent without stopping anything.
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.
journalctl -u <service>
Read simulated service journal entries.