Raspberry pi2 et dongle wifi sagem XG-760N

readme.md

installer le driver

sudo apt-get install firmware-zd1211

réglage du wifi

$ cat /etc/network/interfaces.d/wlan0 
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp

clé de sécurite

$ cat /etc/wpa_supplicant/wpa_supplicant.conf 
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=FR
network={
	ssid="le ssid"
	psk="la clé"
}