Questions tagged [user-mode-linux]
Use this tag only if you are asking about User-Mode Linux (UML) virtualisation software. If you are asking about users and/or permissions, then use those tags.
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usermod: cannot lock /etc/passwd
I get this massage:
usermod: Permission denied.
usermod: cannot lock /etc/passwd; try again later
after trying to add myself to audio group by:
usermod -a -G audio USERNAME.
I would be grateful for ...