inxi is a script that fetches the details of your system, specifically hardware for you. It is quite handy when you need to touch-base with your hardware.The options page extensively details on the numerous things that inxi can do. For simplifying the usage, the authors are working on a GUI as well, though the progress is admittedly slow.
Installation instructions on Ubuntu:
$ wget -Nc smxi.org/inxi $ sudo chmod +x inxi $ sudo mv inxi /usr/local/bin //if inxi complains gawk is not installed $ sudo apt-get install gawk