How to Set up IP on Linux Debian Server Console

To set up IP on Linux Debian, just edit file /etc/network/interfaces.

How to edit? Hmmmm.... it's simple, just open interfaces file with nano.

nano /etc/network/interfaces

Just it... And, edit IP what you want. Then, press CTRL + X and Y and enter.
After it, don't forget restart network interfaces. :

/etc/init.d/networking restart