Setup WiFi with iproute2

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In #388 we enabled NetworkManager. You might need to set your wlan interface to unmanaged in NetworkManager to configure it manually.

Enable the wlan0 interface and set it up for networking

   $ sudo ip link set wlan0 up
   $ sudo iw wlan0 set type managed

Configure wpa_supplicant (only necessary on WPA/WPA2 encrypted networks):

   $ sudo su -
   # wpa_passphrase $YOUR_SSID > /etc/wpa_supplicant/wlan0.conf
   <enter passphrase here and press Enter>
   # exit

Connect to network using wpa_supplicant:

   $ sudo wpa_supplicant -Dwext -i wlan0 -c /etc/wpa_supplicant/wlan0.conf 

If your network uses DHCP, start the DHCP client:

   $ sudo udhcpc -i wlan0