Set up networking
From Linuxintro
IP address
To read and set your IP address one time use the command
ifconfig
To set your IP address so it survives a reboot find out your distribution and proceed accordingly
Debian based distributions
In Debian based distributions configure your IP address in /etc/networking/interfaces like this: iface eth0 inet static
address 192.168.0.42 netmask 255.255.255.0 gateway 192.168.0.1
Gateway
route add default gw 192.168.0.1
Name Server
Enter it into /etc/resolv.conf