Date: Thu, 3 Jul 1997 14:04:50 -0000 From: "P. van Leeuwen" <pvl@nanoteq.com> To: "'Steve Howe'" <un_x@anchorage.net>, freebsd-questions <questions@FreeBSD.ORG> Subject: RE: in Xterm as root. Message-ID: <01BC87BA.1446C3A0@pc-pvl.nanoteq.co.za>
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First check the environment variable DISPLAY. It should be :0.0 If that checks out, you probably have a xauthority problem. Im guessing that you ran xdm, logged in as a user and then used su to become root. The problem is that the .Xauthority file in /root isn't updated when you su. The fix is to run xauth -f /root/.Xauthority merge /home/user_I_su'ed_from/.Xauthority See man xauth. I inserted the above line in my /root/.login after a line which checks whether I su'ed. I can then run the graphical version of CVSup :) One last thing, make sure that there isn't a line saying xhosts + in any of your startup dotfiles. Type xhosts - to see if your problem goes away. Hope this helps Pierre P. van Leeuwen pvl@nanoteq.com http://www.nanoteq.co.za -----Original Message----- From: Steve Howe [SMTP:un_x@anchorage.net] Sent: Thursday, July 03, 1997 12:52 PM To: freebsd-questions Subject: in Xterm as root. in an Xterm window, as "superuser" - root, i get "Error: cannot open display" errors when i try to launch a "graphics" application such as XV, GV, GhostView, Netscape, etc. i know i shouldn't want to do this, but was wondering if something is wrong. ------------------------------------------------ all my text based apps work ok. and all my graphical based apps work ok as a normal user.
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