Mission 274

Package file ownership

Map package names to owned files.

Package/process ops
8 minutes Admin Lesson 274 of 360
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Lesson 274 of 360 0/360 lessons 0/17 missions 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.

List package files

Run dpkg -L fake-nginx.

dpkg -L fake-nginx
Read package owners

Run cat data/package-owners.txt.

cat data/package-owners.txt
Find nginx package files

Run grep fake-nginx data/package-owners.txt.

grep fake-nginx data/package-owners.txt
Lesson support

What to notice while you play.

Objective

Map package names to owned files.

Hint

Run the commands in order and compare the outputs.

Why it matters

Junior operators build confidence by gathering evidence before changing systems.

Common mistakes
  • Skipping the inspection step.
  • Assuming one command tells the whole story.
Reference

Commands in this lesson.

cat <file>

Print text file contents.

grep [-i] <text> <file>

Find literal text inside a file.