#!bin/bash
PROCESS_PID=`pidof gnome-session`
CURRENT_USER=`ps up $PROCESS_PID | awk '{if ($1 != "USER") { print $1 }}'`
DBUS_SESSION_BUS_ADDRESS=`grep -z DBUS_SESSION_BUS_ADDRESS /proc/$PROCESS_PID/environ | sed -e 's/DBUS_SESSION_BUS_ADDRESS=//'`
export DBUS_SESSION_BUS_ADDRESS

gnome-screensaver-command -l