i have got the handshake DD but i think my problem with john bcoz of this killall : john :no precess killed killall : aircrack-ng : no process killed opening /home/user/MyDocs/FAS/cap/WPA/linksys-01.cap unknown option :*--config=/home/user/MyDocs/FAS/john.conf* opening : /home/user/MyDocs/FAS/cap/WPA/linksys-01.cap so how to install john from the beginning ( after removing leafpad & john )? plz help * i've installed john by the following command : sudo gainroot apt-get install john