The display on these PowerEdge systems goes to sleep after some period of time. Normally, when you plug in a KVM, you have to press a key to "wake up" the display. I'm connecting these servers to a KVM switch, and I'd like the display to NOT go to sleep -- so when you select a system via the KVM switch you immediately see the console display. OS on these boxes is Linux, Ubuntu Lucid (10.04).
With X11 you want to disable DPMS in
From outside of X11 with a login sessions you could do the following:
From outside of X11 without a login session you can use the following kernel parameters in your boot loader: