/etc/apt/sources.list 
# Automatically generated sources.list
# http://www.ubuntulinux.nl/source-o-matic
#
# If you get errors about missing keys, lookup the key in this file
# and run these commands (replace KEY with the key number)
#
# gpg --keyserver subkeys.pgp.net --recv KEY
# gpg --export --armor KEY | sudo apt-key add -

# Ubuntu supported packages (packages, GPG key: 437D05B5)
deb http://us.archive.ubuntu.com/ubuntu dapper main restricted
deb http://us.archive.ubuntu.com/ubuntu dapper-updates main restricted
deb http://security.ubuntu.com/ubuntu dapper-security main restricted

# Ubuntu supported packages (sources, GPG key: 437D05B5)
deb-src http://us.archive.ubuntu.com/ubuntu dapper main restricted
deb-src http://us.archive.ubuntu.com/ubuntu dapper-updates main restricted
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted

# Ubuntu community supported packages (packages, GPG key: 437D05B5)
deb http://us.archive.ubuntu.com/ubuntu dapper universe multiverse
deb http://us.archive.ubuntu.com/ubuntu dapper-updates universe multiverse
deb http://security.ubuntu.com/ubuntu dapper-security universe multiverse

# Ubuntu community supported packages (sources, GPG key: 437D05B5)
deb-src http://us.archive.ubuntu.com/ubuntu dapper universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu dapper-updates universe multiverse
deb-src http://security.ubuntu.com/ubuntu dapper-security universe multiverse


/etc/network/interfaces
#This file describes the network interfaces available on your system
#and how to activate them. For more information, see interfaces(5). 
#The loopback network interface
auto lo

iface lo inet loopback

#The primary network interface
auto eth0
iface eth0 inet static
address 192.168.1.103
netmask 255.255.255.0
gateway 192.168.1.1

/etc/resolv.conf
nameserver 127.0.0.1