I have a headless server running the latest Ubuntu Server 12.10. It does not have any GUI at all.
I am having the same issue that others are having which is that when you boot or reboot without a monitor (headless) the computer does not boot.
The solution presented to others was to edit their
xorg.conf file. But since I do not want a GUI installed (and therefore chose not to install a GUI after installing Ubuntu 12.10) I do not have a
xorg.conf file in the
Ubuntu is a widely used distro of Linux, especially for server applications, I absolutely love it. Therefore, there has to be someone who solved this already?