sudo and su stopped working??

Mark Haney mhaney at
Fri Mar 27 17:33:00 UTC 2009

Mike Adolf 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.
> Mike

The only time I've seen this happen before is with a glibc update
breaking it.  I would start there. SOmetimes re-installing glibc fixes that.

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Mark Haney
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