ifconfig wlan0 up (要用ifconfig -a来查询你的无线网卡)激活网卡
airmon-ng start wlan0(这里"wlan0"要根据实际情况来定,有时可能是"mon0"之类的) 将网卡设置为混杂模式
另外,aircrack-ng的提示是说,你捕获的IV数量不够,无法破解。
做了几个破解的录像,希望对你有所帮助。
http://cid-23c5c0bb67989142.skydrive.live.com/self.aspx/Download/AIRCRACKING.rar
http://cid-23c5c0bb67989142.skydrive.live.com/self.aspx/Download/Chopchop.rar
http://cid-23c5c0bb67989142.skydrive.live.com/self.aspx/Download/Fragment.rar