Ubuntu Wpa wifi connection
最近做一个项目，需要做一个WIFI连接模块，这几天都在折腾，终于，今天终于是连上网络了，只不过连网的过程有点慢，还有一些缺点，先写下来以备忘记。1、环境建立：
sudo apt-get install wpasupplicant
2、Command:
sudo service network-manager stop
sudo service wicd stop
pkill nm-applet
3、bring our interface up:
sudo ip link set wlan0 up
4、WPA is slightly different. After bring the interfaces up with ip, we will add this to /etc/wpasupplicant/wpa_supplicant.conf
#WPA-PSK/TKIP
update_config=1
ctrl_interface=/var/run/wpa_supplicant
network={
ssid="yourssid"
psk="key"
}
5、run
sudo wpa_supplicant -B wlan0 -c /etc/wpasupplicant/wpa_supplicant.conf
6、add this to the /etc/network/interfaces
auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-ssid "ESSID"
wpa-psk "password"
7、Finnaly run this.
sudo ifdown wlan0 && sudo ifup wlan0
详情请看链接：
http://crunchbang.org/forums/viewtopic.php?pid=171244%23p171244
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