Mission 213

Logrotate config review

Read log rotation settings as text.

Text and logs
8 minutes Admin Lesson 213 of 360
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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.

Read rotation config

Run cat /etc/logrotate.d/nginx.

cat /etc/logrotate.d/nginx
Find retention count

Run grep rotate /etc/logrotate.d/nginx.

grep rotate /etc/logrotate.d/nginx
Preview config window

Run sed 1,3p /etc/logrotate.d/nginx.

sed 1,3p /etc/logrotate.d/nginx
Lesson support

What to notice while you play.

Objective

Read log rotation settings as text.

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.

sed s/old/new/ <file>

Preview simple text substitutions.