sudo vi /etc/network/interfacesauto lo
iface lo inet loopback
auto wlan0
iface wlan0 inet dhcp
wpa-ssid mynetworkname
wpa-psk mypassphrase
sudo ifdown wlan0 && sudo ifup wlan0sudo vi /etc/network/interfacesauto lo
iface lo inet loopback
auto wlan0
iface wlan0 inet dhcp
wpa-ssid mynetworkname
wpa-psk mypassphrase
sudo ifdown wlan0 && sudo ifup wlan0