Run apt list --installed.
apt list --installed
Mission 280
Package process expanded checkpoint
Tie package inventory, process state, and logs together.
Package/process opsaptdpkgtopgrep
Lesson 280 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 dpkg -L fake-nginx.
dpkg -L fake-nginx
Run top.
top
Run grep upgrade /var/log/dpkg.log.
grep upgrade /var/log/dpkg.log
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Lesson support
What to notice while you play.
Tie package inventory, process state, and logs 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.
grep [-i] <text> <file>
Find literal text inside a file.
top|pgrep|kill
Inspect simulated process health and signals.
apt|dpkg|brew
Inspect simulated Linux and macOS package metadata.