sudo and su stopped working??

[Mike Adolf]

Robert Parker wrote:
> On Sat, Mar 28, 2009 at 12:19 AM, Mike Adolf <mlnx at mho.com> wrote:
>   
>> Don't have any idea why or how to fix it, but suddenly sudo and su both
>> give "authentication failed" error.  System/Root Terminal still works
>> and User/Groups still shows I have admin privileges. I am using 8.10 and
>> ran a security update this morning.
>>     
> I'm guessing that /etc/sudoers got clobbered or that your user name
> got removed from the admin group in /etc/group
>
> You can compare your /etc/sudoers with mine below.
>
> Bob Parker
>
> # This file MUST be edited with the 'visudo' command as root.
> #
> # See the man page for details on how to write a sudoers file.
> #
>
> Defaults        env_reset
>
> # Host alias specification
>
> # User alias specification
>
> # Cmnd alias specification
>
> # User privilege specification
> root    ALL=(ALL) ALL
>
> # Uncomment to allow members of group sudo to not need a password
> # (Note that later entries override this, so you might need to move
> # it further down)
> # %sudo ALL=NOPASSWD: ALL
>
> # Members of the admin group may gain root privileges
> %admin ALL=(ALL) ALL
>                                                               25,1          Bot
>
>
>
>
>
>   
I am in admin group in /etc/group.
My sudoers looks exactly like yours.

Thanks, MIke