You have a more fundamental issue, I think.

Sudo is a package that allows a systems administrator to configures rules
to let an account perform a task with the authority of another account
(Switch User, DO.)  It's not specific to Bacula by any means.

visudo is a sudo utility that will edit the configuration file, and check
it for errors before committing it to a running state.

Now, on to your specific error.  You have a task that is running as the
bacula user, executing a sudo call.  The error is because bacula isn't
identified in the sudo configuration (/etc/sudoers by convention) as
you've already figured by running visudo and inspecting the contents.

Without any more specific data (hint: check your syslog files, it should
be very specific in there,) it'll be nearly impossible for anybody to even
hazard a guess as to why it's failing, or even what it's trying to do.

Jeff Kalchik

>
> Any takers, pls?
>
>
>
> From: luciocfgodoy AT hotmail DOT com
> To: bacula-users AT lists.sourceforge DOT net
> Subject: Bacula Sudo Authentication Failure
> Date: Thu, 18 Mar 2010 17:27:00 +0000
>
>
>
> Hi All;
>
> I have Bacula 3.0.2-1 installed on a RHEL 5.4 and it works well without
> any issues, but every day I get the following message from my log file
> watch program:
>
> sudo:
> Authentication Failures:
> (0) -> bacula: 1 Time(s)
>
>
> Had a look with visudo, bacula is not present there, should it be?
>
> Any clues.
>
> Thanks
>
> Lucio
>
>
>
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