I-Nex - CPU-Z Alternative for Linux (Ubuntu)

I-Nex is a CPU-Z alternative for Linux which shows you lots of detailed information about your processor/ram/motherboard etc in a GUI as shown below.

Below are the commands you would need to run to install on Ubuntu (tested on 12.04).

sudo apt-get install python-software-properties -y
sudo apt-add-repository ppa:i-nex-development-team/stable -y
sudo apt-get update && sudo apt-get install i-nex -y