Run diff data/config-a.conf data/config-b.conf.
diff data/config-a.conf data/config-b.conf
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Shell scripting · 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 grep listen data/config-b.conf.
grep listen data/config-b.conf
Run printf config-diff-reviewed | tee lab/config-diff.txt.
printf config-diff-reviewed | tee lab/config-diff.txt
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Lesson support
What to notice while you play.
Review config drift with diff and grep.
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.
tee <file>
Write piped text to a lab file and keep it on screen.
diff <left> <right>
Compare two lab text files.