Earlier today I got a cold sweat moment after I accidentally ran a sudo rm /etc/group.

I just wanted to edit a line, not to delete an entire file!

Good thing is that system occasionally backs up files in /etc folder. If there’s group there’s also an older group- file.

Unfortunate that I could no longer sudo from the current user, since group file no longer existed.

If you run into this kind of issue:

Reboot your computer

Choose Advanced options for Ubuntu

boot menu, advanced options for Ubuntu

Select drop to root shell prompt

When a root terminal opens, you know what to do.

Ubuntu recovery menu

Lesson learned

Besides not doing sudo rm -rf ... , which can happen again btw, it’s a good idea to add etc folder to versioning.

Categories: System

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