i have an Ubuntu 16.04 installation and it ran fine for me. so i went on and configured it for SSH and GUI remote access. as the machine now no longer needs a ($100+X value and some power consuming) display attached i disconnected all those devices.
when later on remotely logging in to the running machine all went fine. but after rebooting the machine only the SSH access was working whilst remote GUI access failed. checking in more detail unveiled that the x-server failed starting up - probably because it was unable to locate any EDID provider on the display connector.
how can i tell the x server to start up anyways without anything plugged into the display connectors of the computer?
i want to be able to work on the machine remotely using GUI, or out of a sudden replug a capable display and then continue any works on the still open applications. this access to the "main" GUI session should be possible regardless if the computer reboots in its remote place (without any need for plugging or changing physical connections all the time at location).
side note: hardware assisted OpenGL and other GUI features (like xrandr) do a great job for me in both described use cases.
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