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树莓派无线网卡配置
nano /etc/network/interfaces
auto lo iface eth0 inet dhcp auto wlan0 allow-hotplug wlan0 iface wlan0 inet dhcp wpa-ssid "Arvin" wpa-psk "135792468"
原文地址：http://www.cnblogs.com/Arvin-9/p/5020748.html
