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I accidently removed /usr. Is there a way to recover it?

rated 0 times [ 2] [ 0] / answers: 1 / hits: 2102 / 2 Years ago, fri, march 4, 2022, 9:56:14

I accidently removed my entire /usr directory thanks to RVM. I can still use the terminal prompt with Ctrl+Alt+F6, but I don't have any sudo (I guess it's because of the missing /usr).

Is there any way to recover my files?, I didn't reboot yet. If not how can I make sudo and the other things work again without completly reinstalling the OS? I'm runnig Ubuntu 12.04.

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answered 2 Years ago nerta · Accepted Answer

If you have backups => Yes

If you haven't made backups, start making them while you remember why it is important.

I think the easiest solution is to make a copy of your home directory and /etc onto an external disk, then detach the external disk and do a reinstall of the system.
If you have enough storage space on an external disk:

start a liveCD

copy all files to external disk or at least /home and /etc

reïnstall

copy the files from your backup to the new install

compare the config files in /etc with the ones in your backup