Habilitar interface de red en Debian

# ifconfig

# cat /etc/network/interfaces

# This file describes the network iunterfaces available on your system and how to activate then. For more information, see interfeces(5)

# The loopback network interface
auto lo eth0
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
address 172.16.1.10
netmask 255.255.0.0
gateway 172.16.1.1


-> edit this file

# /etc/init.d/networking restart