How to Install Ubuntu On A Chromebook (2015 Step-By-Step) 14.04

This is the easiest way to install ubuntu, Look no further
Command List:
shell
sudo sh -e ~/Downloads/crouton -t unity -r trusty
sudo startunity
Sub Command List:
sudo sh -e ~/Downloads/crouton -t list
sudo sh -e ~/Downloads/crouton -r list

source

ubuntu download