Sending Internet To Another Compiter Via Ethernet, Ubuntu 11.10
 

The computer on the other end will be too stupid to do any but the fallowing:
Connect Via dhcp,
Detect Ethernet/Network Card
Yes, No WiFi, No Dial Up, No Passwords.
(Minix/FreeDOS)
While The Giving Computer Has The Works! (Internet, Ubuntuness)
From Being Connected To The Internet On The First Computer And Attaching The Cable Where Do I Go?

there are many different ways to share connection with Ubuntu, have a look at this guide:
https://help.ubuntu.com/community/In...nectionSharing