Hey i have been using backtrack 5 and then switched to kali cause its the best and i wanted to do penetration testing though this wireless adapter cant work . it just arrived today from amazon as earlier i was using wn725n i had to get it cause it has atheros . my wlan0 doesnt shows up on ifconfig, though when i type lsus it shows bus 002 ... . . . . Atheros Communications , Inc AR9271 802.11n help me plz