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:
$ sudo apt-get install inxi
To get a list of full options, run:
$ man inxi
Besides showing system information, inxi can show you the weather too! Run:
$ inxi -xxxw