Debian 7.2 Desktop as Server

In this tutorial we are going to install my Debian 7.2 Desktop x64 as a server.
PC specification used is AMD Phenom(tm) II X2 555 Processor, 2 Gb Of Ram, 500 Gb Hardisk, 2 NIC.

let's get started.
 
Turn on the PC, set the BIOS to boot from the DVD-Room, input Debian 7.2  to the DVD-Room and restart the PC.

DVD room automatically open, grab the DVD from the DVD-room.
Re-set the BIOS to boot from the hard drive.
Enjoy.