# This file describes the network interfaces available on your system# and how to activate them. For more information, see interfaces(5).# The loopback network interfaceauto loiface lo inet loopback# The primary network interfaceallow-hotplug eth0#NetworkManager#iface eth0 inet dhcp# my wifi deviceauto wlan0iface wlan0 inet dhcp wireless-essid [ESSID] wireless-mode [MODE]