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From: adrie@philica.ica.philips.nl (Adrie Koolen)
Newsgroups: comp.os.minix
Subject: Re: su
Message-ID: <791@philica.ica.philips.nl>
Date: 12 Apr 91 11:22:24 GMT
References: <50417@nigel.ee.udel.edu>
Reply-To: adrie@beitel.ica.philips.nl (Adrie Koolen)
Organization: Philips TDS, Innovation Centre Aachen
Lines: 18

In article <50417@nigel.ee.udel.edu> d_flunkert@cen.jrc.it (dieter flunkert) writes:
>Hey all,
>I have a question concerning su.  If I use su which is on my harddisk it works fine.
>But if I use the copy I have on /tmp on the ram disk, it doesn't work.  It askes
>for the password, but after typing in the right one, I'm still not root.
>Any ideas?

su should be owned by root and should be setuid. Only a root process can
change its user ID. So you should login as root, then copy su and set the
setuid bit:

	# cp /usr/bin/su /tmp
	# chmod u+s /tmp/su

Then it should work.

Adrie Koolen (adrie@ica.philips.nl)
Philips Innovation Centre Aachen