30.04.2020 11:48, Roger Oberholtzer пишет:
I am using vncviewer to connect to an openSUSE (42.3) system that does
not have a connected display/keyboard/mouse. Generally it works very
well. I access the desktop that would have been seen on the remote
system if it had a display.
But I would not just be posting a happy 'it's working' message (even
if I think they are not a bad thing...). Now would I.
The size of the local window with the desktop is whatever size the
remote X thinks it's display is. When there is no display attached, it
uses some default smaller size. Probably 800x600 or something like
Is it possible to tell X what the resolution should be when no display
Did you try
in monitor section of xorg.conf? It may work. My understanding is that
without physical display connected you can only select standard default
modes, but probably that is enough.
Of course I would like the discovery when a display
attached to be done. This is just when X starts without a display, or
is otherwise unable to determine the display size to use.
This is normally handled by your desktop environment in response to
I have looked at these types of things:
Setting it with xrandr would always override the resolution whatever
any real display indicated. I want it to be when no display is
You could try to set modes only if nothing is connected, similar to
Dome file added to the X setup?
I can only think of PreferredMode, but the question is good.
Could you provide Xorg.log and xrandr --verbose output when booted
without physical monitor connected?
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