Date: Mon, 10 Apr 1995 00:18:01 -0400
From: "matthew c. mead" <mmead@goof.com>
To: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>
Cc: joerg_wunsch@uriah.heep.sax.de, freebsd-current@freefall.cdrom.com
Subject: Re: should su retain ${DISPLAY}
Message-ID: <199504100418.AAA02583@goof.com>
In-Reply-To: Your message of Sat, April 8, 1995 19:36:36 %2B0200
References: <199504081344.PAA00343@uriah.heep.sax.de> <199504081736.TAA10286@gilberto.physik.rwth-aachen.de>
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On Sat, April 8, 1995 at 19:36:36 (+0200), Christoph Kukulies wrote:
> > What do people think about an extension to the su(1) command that
> > retains the ${DISPLAY} variable even across an ``su -''?
> Excuse my ignorance: What does su - do? I don't see it documented. It looks
> like it executes roots dotfiles. I also see $DISPLAY preserved during a
> normal 'su'.
> When you su to root from a normal user you can't connect to the server (0:0)
> anyway (unless you have enabled access before - xhost +).
An easy way to fix that is to set your environment variable
XAUTHORITY to ~/.Xauthority - then root will use that .Xauthority file as
well, and it won't have any problems displaying...
> > Seen on IRIX, think it's nice to have it.
> > Never trust an operating system you don't have sources for. ;-)
Total agreement here!
-matt
--
Matthew C. Mead -> Virginia Tech Center for Transportation Research -
-> Multiple Platform System and Network Administration
Work Related -> mmead@ctr.vt.edu | mmead@goof.com <- All Other
---- ------- WWW -> http://www.goof.com/~mmead --- -----
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