centos6.4以wpa_supplicant方式连接wifi

有两种方式连接wifi,分别是iwconfig,只适用于wep方式;别一种是wpa_supplicant,可用于wpa/wpa2。

对于wpa_supplicant方式,要求关闭NetManager服务,否则会

ioctl[SIOCSIWSCAN]: Device or resource busy

可以禁止开机自动启动服务,chkconfig NetManager off

在kill掉NetManager进程后,运行

ip link set wlan0 up

wpa_passphrase essid pass | wpa_supplicant -B -i wlan0 -c /dev/stdin

dhclient wlan0

相关文档:http://www.stupidbeauty.com/Blog/2011/08/%E7%BB%88%E4%BA%8E%E4%BC%9A%E7%94%A8wpa_supplicant%E5%92%AF/

https://wiki.archlinux.org/index.php/WPA_Supplicant_%28%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87%29

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转载自23497465-qq-com.iteye.com/blog/1930816