Ethereal-users: [Ethereal-users] Xlib: connection to ":0.0" refused

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From: Nelly Pernot <nelly.pernot@xxxxxxxxxxxx>
Date: Mon, 01 Sep 2003 16:55:02 +0200
When I logged as root, I have no problem to run ethereal.
But when I logged as user, I open a shell by "su" or "su -" and run ethereal, I obtain this error message: 

Xlib: connection to ":0.0" refused by server
Xlib; Client is not authorized to connect to Server

Gtk-Warning **: cannot open display: :0

I work on a debian 3.0

What can I do
Thanks
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Nelly PERNOT
CNRS
Délégation Régionale Nord - Pas de Calais et Picardie
Service des Systèmes d'Information
2, rue des Canonniers
59046 Lille Cedex

Tel : 03 20 12 36 99
Standard : 03 20 12 58 00
Fax : 03 20 63 00 43

http://www.dr18.cnrs.fr