Practice editing a copy instead of touching protected system config.
Mission 14
Editing config notes
Copy a system config into your lab, edit it safely, and compare the result.
Nano and editing
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Lesson support
What to notice while you play.
Copy /etc/nginx/sites-available/learn.conf into lab first.
Change control starts with preserving the original.
- Editing production config first.
- Skipping verification after a config edit.
Reference
Commands in this lesson.
nano <file>
Open a browser-only fake nano editor.
cat <file>
Print text file contents.
grep [-i] <text> <file>
Find literal text inside a file.
cp <src> <dst>
Copy a file.