Re: unable to su

[Sebastiaan <sebas@sacred-key.org>]

> On Tue, Jan 02, 2001 at 09:43:17AM +0100, Sebastiaan wrote:
> > Hi,
> > 
> > I did a fresh install on my system (potato), but I discovered that I am
> > unable to su (unless I am root). It gives me an authentication failure.
> > When I do shadowconfig off, su returns 'setgid: Operation not permitted'. 
> > I think my passwordhandling is messed up. 
> > How can I make this work again?
> 
> sounds like su lost its suid bit:
> 
> [eb@socrates eb]$ ls -l /bin/su
> -rwsr-xr-x    1 root     root        24336 May 26  2000 /bin/su
>   ^^^

Youhei! That was the reason. Do you have any idea how this could have
happened? 
I must say that I have a bit of a not-ordinary system for about three
days. My root is mounted as NFS and I did a fresh install over NFS. But I
had done it before with a less loaded install, and it worked perfectly.

Thanks,
Sebastiaan