[sudo-users] repairing corrupted sudoers

Todd C. Miller Todd.Miller at courtesan.com
Fri Jan 14 10:49:37 EST 2011

On Fri, 14 Jan 2011 03:31:13 PST, Mahmood Naderan wrote:

> Is there any way to fix the corrupted sudoers file without livecd.
> For servers which we work remotely, there should be a way to remotely
> fix that. Currently for every sudo command, I get:
> sudo: /etc/sudoers is mode 0640, should be 0440
> sudo: no valid sudoers sources found, quitting

If you use visudo to edit /etc/sudoers you won't have these types
of problems.

If you can login as root via ssh or su to root via a normal user
you can fix the permissions, either directly via "chmod 0440
/etc/sudoers" or by running visudo.

 - todd

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