Run grep install /var/log/dpkg.log.
grep install /var/log/dpkg.log
Mission 54
Package log basics
Inspect simulated package activity without installing anything.
Text and logsgreptailwc
Lesson 54 of 360
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Text and logs · 7 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
7 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run tail -n 2 /var/log/dpkg.log.
tail -n 2 /var/log/dpkg.log
Run wc -l /var/log/dpkg.log.
wc -l /var/log/dpkg.log
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Lesson support
What to notice while you play.
Read package install and upgrade traces.
Search for install in dpkg.log.
Recent package changes can explain new failures.
- Assuming packages never changed.
- Installing more packages before reading logs.
Reference
Commands in this lesson.
grep [-i] <text> <file>
Find literal text inside a file.
wc [-l] <file>
Count lines, words, and characters.