[CentOS] How to setup VNC for GDM access on 6.3

[Bob Hepple]

Les Mikesell <lesmikesell at ...> writes:

> Doesn't x11vnc always stay tied to the console screen?   Sometimes
> that's what you want, but I generally want independent remote
> sessions.

Yes - but the OP wanted something that would tie to display :0 even for
gdm/kdm/xdm logins. 

Also - it looks like the -clientdpms option turns off the physical monitor(s)
when a vncviewer is attached; while not exactly secure, it's a step in the right
direction.