2009/10/25 Niki Kovacs contact@kikinovak.net:
IF remote machine is switched on / connected to the network...
Use ping and test the result; perhaps something similar to this:
case `ping -qnc 1 10.0.0.2 2>&1` in *'100% packet loss'*) exit 1 ;; esac
See the script at the bottom of http://www.digitalpeer.com/id/configuringa for more info.
Ben