[…] Here is a excellent tutorial show you how to Shutdown Ubuntu with ctrl-alt-delete: Normally when you press the magic combo of ctrl-alt-delete the machine reboots but in this case it would be much better if the machine did a shutdown. In previous versions of Linux I had to edit /etc/inittab to get the desired effect but that file doesn’t exist in Ubuntu Edgy. Instead you must look at /etc/event.d/control-alt-delete. That file is fairly self explanatory which is all well and good because there’s very little information if you don’t know what to look for. […]