连接wifi

$ sudo vi /etc/wpa_supplicant/wpa_supplicant.conf

network={
    ssid="TP-LINK_301"
    psk="yourpassword"

}

查看是否连接成功

$ ifconfig wlan0
wlan0     Link encap:Ethernet  HWaddr b8:27:eb:65:fb:77  
      inet addr:192.168.1.137  Bcast:192.168.1.255  Mask:255.255.255.0
      inet6 addr: fe80::c7f0:cf15:8e20:c0a5/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:37 errors:0 dropped:0 overruns:0 frame:0
      TX packets:35 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:4391 (4.2 KiB)  TX bytes:6710 (6.5 KiB)