#!/bin/bash
if [ $USER = "root" ];then
 zenity --warning --text="$0 is setting dhcp with root privilege!" &
 a=$!
 (sleep 20 ;kill $a) &
 killall dhclient
 langbackup=$LANG
 LANG=C
 dhclient $(ifconfig -a|grep -v vmnet|grep HWaddr|head -n 1|cut -d " " -f1)
 LANG=$langbackup
else
 gksu -m "Input root password in order to enable me to connect internet" bash $0
 exit 0	
fi