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Old 08-24-2004, 06:44 PM   #1
Registered: Oct 2003
Distribution: Mandrake 10
Posts: 160

Rep: Reputation: 30
ifup breaks x programs

I just did a clean install of mandrake 10. I chose not to start the network at boot. Therefore, when I need to go online, I do (as root):

ifup eth0

Following this, I am online (correctly). HOWEVER, I cannot open any X programs; I get an error message stating:

Cannot connect to X host on [primary DNS IP]

What is misconfigured?

(Second question: how can I allow non-root users to execute the ifup eth0? Is it safe to sudo ifup??)

Old 08-25-2004, 09:31 AM   #2
Registered: Oct 2003
Distribution: Mandrake 10
Posts: 160

Original Poster
Rep: Reputation: 30
I was at work when I wrote this and remembered the error message wrong. When I try to start an X program immediately after ifup, I get:

Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Gtk-WARNING **: cannot open display: :0.0

Everything works perfectly before ifup is run. If I log out to kdm and then back into fluxbox, X programs work perfectly. The reason that I know it's trying to open an X program on my primary DNS is that the hostname on my CL prompt changes to adsl-[primary dns ip] after ifup is run. Help!


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