sudo apt-get install gkrellm
to run it, type
and you’ll get several info about your computer in real time.
Gkrellm supports themes, so the app can have several appearances. I always use the “invisible” theme, which is a transparent theme, so you can see the background. Very cool. To install a new theme (Ubuntu) go to
and download the theme you like. Most of the themes come gzipped. Once you download the theme to your home directory, ungzipp it and move the whole directory to ~/.gkrellm2/themes.