SUMMARY: Wierd su error

From: Peter Stokes <>
Date: Fri Jun 25 2004 - 08:22:33 EDT
Hi Al

As ever the best group for replies.

A couple of suggestions which did not change it, but may help someone else


Try this out
/etc/init.d/nscd stop
/etc/init.d/nscd start


        I know that it may sound silly. But did you check your nsswitch.conf? I
got that error when I had :

passwd: nis files

So I changed it to: 

passwd: files nis

and now everything is working smoothly...

The last one from Ryan A. Krenzischek sorted it out

Turns out someone before my time I guess had changed the permissions on
/usr/bin and the setgid bit was not set on su command, hence the cryptic

So a quick

chmod 4555 /usr/bin/su

sorted it.

Thanks everyone


Hi All

Anyone point me in right direction to this one.

System is Sol 2.6 running as NIS master on private network.

I can login as root or other user fine, however when I login as a user
and then try to su to any other user eg root, then enter the password, I

su: Invalid GID

and it kicks me out.

I cannot truss it, so am stumped as my other system works fine .....

Any ideas?

Peter Stokes
Ashlyn Computer Services Ltd
Tel: +44 (0)1636-627900
Mbl: +44 (0)7977-532320
Fax: +44 (0)1636-627909
sunmanagers mailing list
Received on Fri Jun 25 08:23:05 2004

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