How do you adjust the "resolution" of a machine with no monitor attached?

[Hermann J. Beckers]

Am Sunday, 26. August 2012 schrieb Ben Coleman:
> I just threw together a Mythbuntu 12.04 box to play with.  I don't have
> a spare monitor (not space to put it) to put on it, but I figured I
> should still be able to configure it via VNC, since the install is nice
> enough to provide the ability to enable it.  Problem is, with no monitor
> attached, video comes up with a max resolution of 640x480, and when I
> VNC in, that's what I get.  I'd rather VNC in and get at least 1024x768,
> or maybe 1280xu768.  Is there an easy way to get the system to come up
> in a higher resolution without plugging in a monitor?
> 
> Ben

How do you start your vncserver? vncserver has an option "-geometry " that you 
could use.

HTH
hjb