Run lsof -i.
lsof -i
Lesson 158 of 360
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Networking · 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 pgrep nginx.
pgrep nginx
Run pgrep sshd.
pgrep sshd
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Lesson support
What to notice while you play.
Use lsof to map listeners to services.
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.
lsof
Show simulated files and sockets opened by services.