if [[ $UID != 0 ]]; then
	echo "You must be root."
	exit -1
fi

/etc/init.d/dhcpcd stop
/etc/init.d/wpa_supplicant stop

ifconfig wlan0 down
macchanger -r wlan0
ifconfig wlan0 up

/etc/init.d/dhcpcd start
/etc/init.d/wpa_supplicant start