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Date: Mon, 17 Jan 2005 15:53:09 +0100
From: Ivan Voras <ivoras@fer.hr>
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Subject: Re: cannot su?
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Michael Nottebrock wrote:
> On Sunday, 16. January 2005 01:07, Ivan Voras wrote:
> 
>>What could be the reasons for "su root" to not work?
>>
>>I have a user that's in wheel group. Logging in as root works on the
>>console, but su-ing from the user just writes 'Sorry', like the
>>password's wrong. There are no clues in log files.
> 
> 
> Make sure /usr/sbin/su is suid root (and /usr isn't mounted nosuid).

Bingo!

It's stupid of me not to have checked that, but this is a very good 
candidate for more information/verbosity - failure mode was just like 
password/credentials were invalid.

I installed the computer from the FreeSBIE live CD, as it already 
includes a bunch of desktop & multimedia programs I use, and during 
installation it seems that suid bits were not replicated!

Thanks for the help!