Root user not in sudoers group WHAT HAVE I DONE?!!?

Richard S. Crawford rscrawford at
Thu May 7 17:02:55 UTC 2009

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?

Richard S. Crawford (rscrawford at
Publisher and Editor in Chief, Daikaijuzine (

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