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group

• remove a user from a specific group

  Computer/linux 2013. 10. 28. 14:20

  The old post shows how to add a user to a specific group. From time to time, I need to remove a user from a specific group. So here what I summarize how to do this.2009/06/29 - [computer/linux] - add a user to a specific group remove a user from a specific groupHere auser is the fake account to be removed from www-data groupStep 1# vigrchange from auser:x:1001:www-data to auser:x:1001:Then they ..

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• Add user to the group for virtualbox and sound permission

  Computer/linux 2007. 11. 14. 01:25

  Alsa error messages : alsa−lib: pcm_dmix.c:831:(snd_pcm_dmix_open) unable to create IPC semaphore Solution : open /etc/group file audio:x:29:username1,username2 vboxusers:x:1002:usersname logout and login

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