I installed server 12.10 with the "--without-recommends ubuntu-desktop" option - this gives a minimal Unity GUI, without most of the addons for a desktop user.
But now I cannot figure out how to reboot. There is no system menu with these options; calling reboot from terminal prompt requires access to root.
Still very new to Ubuntu. How do I reboot from the GUI? control-atl-delete logs out, but does not reboot.