To monitor the different resources of my local system I use conky. After you installed the conky software you can start with the configuration of it.
$ apt-get install conky conky-colors
After I adapted the configuration my desktop became like this:
At the left side there is a pane which only monitors my system resources. The config file for it, conkyrc should be placed in your home directory as a hidden file (naming it .conkyrc).
When you now type in conky in your terminal, you should see appearing the pane on your desktop:
On the right bottom I created an rss …