# 树莓派连接wifi

## 配置

/etc/network/interfaces

``` bash
auto lo

iface lo inet loopback
iface eth0 inet dhcp

auto wlan0
#allow-hotplug wlan0
#iface wlan0 inet manual
iface wlan0 inet dhcp
wpa-conf /etc/wpa.conf
#wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf

iface default inet dhcp
```

> sudo nano /etc/wpa_supplicant/wpa_supplicant.conf

``` bash
network={
    ssid=""
    key_mgmt=WPA-PSK
    psk=""
}
```