[CentOS] Enabling X on headless server via network

[John Doe]

From: Nataraj <incoming-centos at rjl.com>

> Are there any advantages to running FreeNX  over vncserver?  Does it 
> perform  better?

Unless I am mistaken:
VNC traffic is bitmap (whole screen or part of the screen, optionaly compressed) 
transfered at each refresh.
FreeNX is compressed/cached XWindow traffic.
I think, although there are bitmaps in XWindow too, you could almost think of it 
as bitmap (heavy) vs vectorial (light).
http://en.wikipedia.org/wiki/NX_technology

JD