XDMCP and VNC graphics corruption Post: 302567486

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Homework and Emergencies Emergency UNIX and Linux Support XDMCP and VNC graphics corruption Post 302567486 by cue on Monday 24th of October 2011 10:16:31 AM

10-24-2011

Registered User

Quote:

Originally Posted by admin_xor

Why using those fancy things when you can use a smooth ssh session and can do endless things with a terminal? Smilie

Just kidding!

Try with -depth 32; if that does not work you can decrease it gradually all the way down to 8. Safe values are 32, 16 and 8. 8 being the lowest color depth.

Let me know if this works!!

I have tried 8, 16, 24, and 32. Unfortunatly none of them fix the problem. I suspect that it is due to compositing that the VNC server (vnc4server) cannot handle.

I have since read that x11vnc with the -noxdamage option can fix this problem but I don't know how to start a seperate session with x11vnc

when I do

Code:

x11vnc -geometry 800x480

it just seems to scale the local session to 800x480

when I do

Code:

x11vnc -geometry 800x480 -create

I cannot connect to the created session even though it shows as connected to a client in the local terminal where the server command was issued.

cue

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LEARN ABOUT SUSE

vncserver

vncserver(1)							     TightVNC							      vncserver(1)

NAME

       vncserver - a wrapper to launch an X server for VNC.

SYNOPSIS

       vncserver [:display] [-geometry widthxheight] [-depth depth] [-pixelformat rgbNNN|bgrNNN] [-name desktop-name] [Xvnc-options...]

       vncserver -kill :display

       vncserver -help

DESCRIPTION

       vncserver is a wrapper script for Xvnc, the free X server for VNC (Virtual Network Computing). It provides all capabilities of a standard X
       server, but does not connect to a display for itself.  Instead, Xvnc creates a virtual desktop you can view or control remotely using a VNC
       viewer.

OPTIONS

       You  can  add  Xvnc  options at the command line. They will be added to the invocation of Xvnc without changes. The options provided by the
       vncserver itself are as follows:

       :display
	      The display number to use. If omitted, the next free display number is used.

       -geometry widthxheight
	      Set desktop width and height.

       -depth depth
	      Set the colour depth of the visual to provide, in bits per pixel. Must be a value between 8 and 32.

       -pixelformat rgbNNN|bgrNNN
	      Set colour format for pixels representation. The viewer can do the conversion to any other pixel format, but it  is  faster  if  the
	      depth and pixel format of the server is the same as the equivalent values on the viewer display.

       -name string
	      This specifies the name of the desktop.

       -kill :display
	      Stops the session running on the specified display.

       -help  Prints a short usage notice to stderr.

EXAMPLES

       vncserver
	      Invokes Xvnc on the next available display and with suitable defaults.

       vncserver :1
	      Invokes Xvnc on display :1.

       vncserver -geometry 800x600 -depth 16 :1
	      Invokes Xvnc on display :1 with desktop size of 800x600 pixels and color depth of 16 bits per pixel.

       vncserver -kill :1
	      Shuts down Xvnc server on display :1.

SEE ALSO

       Xvnc(1), vncviewer(1), vncpasswd(1), vncconnect(1)

AUTHORS

       Original  VNC  was developed in AT&T Laboratories Cambridge. TightVNC additions were implemented by Constantin Kaplinsky. Many other people
       participated in development, testing and support.

       Man page authors:
       Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de>,
       Tim Waugh <twaugh@redhat.com>,
       Constantin Kaplinsky <const@tightvnc.com>

								    August 2006 						      vncserver(1)