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Old 09-17-2003, 05:57 AM   #1
LQ Newbie
Registered: Sep 2003
Location: Gothenburg, Sweden
Distribution: Mandrake 91
Posts: 2

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Problem with VNC using GLX...

Hi people!

This is my first post here at linuxquestions, and I'm new at the linux-world, so bare with me

I have two computers here at home, one with Windows XP and the other with mandrake 9.1, but I only have one set of monitor, keyboard and mouse. Due to that, I want to remotely handle the linux desktop and all its software through my Windows-machine.

I read some on the internet and asked some friends, and came up with VNC.

Downloaded VNC 3.3.7 on both machines (the linux-machine already had a vnc-application called rfbdrake or x0rf-something, but it was waaay to laggy), and everything seemed to work.

When I tried to run an app, like Opera for example, I get the messages:

"Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
opera: [java] Disabling java due to potential problems. If you know
what you are doing, you can set the environment variable
OPERA_FORCE_JAVA_ENABLED to '1' to override this.
Start Opera with '-debugjava' argument for more information.

Xlib: extension "RENDER" missing on display ":0.0". Segmentation fault (core dumped)".

This message doesn't appear when I connect the monitor and stuff directly to the linux-machine nor when I used the rfbdrake-server.

My theory on why not is that VNC creates a virtual Desktop which it "sends" to my windows-machine, which doesn't load GLX properly due to the fact that the desktop i see in Windows isn't really running on the linux-machine.


Anyway, here's what I need:

1.) An application which is easy and smooth (not laggy) for "linux remote desktop"-management.

2.) To configure the VNC-virtual-desktop so that it doesn't use GLX for everything.

Please help me!

/Best regards, Christofer
Old 09-18-2003, 04:44 AM   #2
LQ Newbie
Registered: Sep 2003
Location: Gothenburg, Sweden
Distribution: Mandrake 91
Posts: 2

Original Poster
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Common ppl, one at a time!


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