dbus-send --session \\ \t --dest=org.freedesktop.PowerManagement \\ \t --type=method_call \\ \t --print-reply \\ \t --reply-timeout=2000 \\ \t /org/freedesktop/PowerManagement \\ \t org.freedesktop.PowerManagement.SetDpmsMode \\ \t string:suspend
dbus-send --session \\ \t --dest=org.freedesktop.PowerManagement \\ \t --type=method_call \\ \t --print-reply \\ \t --reply-timeout=2000 \\ \t /org/freedesktop/PowerManagement \\ \t org.freedesktop.PowerManagement.SetDpmsMode \\ \t string:suspend