Root user not in sudoers group WHAT HAVE I DONE?!!?
derek at pointerstop.ca
Thu May 7 18:18:25 UTC 2009
Richard S. Crawford wrote:
> I attempted to add my main user to another group using usermod.
> Suddenly, I find that my root user no longer can access sudo. When I
> $ sudo <anything>
> I get:
> deguser is not in the sudoers file. This incident will be reported.
> And just to be clear, deguser is the account I've been using for all
> sudo tasks until now. There is no other user with the appropriate
> What have I done, and how do I fix it?
To answer the first, I'd be reasonably sure you used -g rather than -G (or
vice versa, I can never remember). One replaces _all_ groups with the
argument, and the other appends the argument to the list of groups. I
rather serious difference, which is why it pays to use KUser instead of
To fix it, you'll have to reboot into single-user mode, and execute usermod
directly from root - being sure to add deguser to the "admin" group.
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