Run less /var/log/auth.log.
less /var/log/auth.log
Lesson 47 of 360
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Text and logs · 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 head -n 2 /var/log/auth.log.
head -n 2 /var/log/auth.log
Run tail -n 2 /var/log/auth.log.
tail -n 2 /var/log/auth.log
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Lesson support
What to notice while you play.
Practice safe log reading without editing files.
Use less first, then head and tail.
Operators often need a quick view without opening an editor.
- Reading only the first line.
- Assuming the newest event is at the top.
Reference
Commands in this lesson.
less <file>
Page through a file.
head|tail [-n N] <file>
Read the beginning or end of a file.