WordPress.org

How does this work?

The plugins provide you with a simple hook that you can attach anywhere in your web page and a widget that you can control directly from your administration area.

How can I change what I want to be seen?

To modify the information displayed by the plugin you have to go to your administration area and click on the link oho system information. You will be redirected to a form page where you can select the infornation you want to show or hide.

What does "unknown" mean?

When you see unknown instead of the information that should be displayed this is because your hosting provider has decided not to allow this type of information to be public. Unfortunatly you can't do much about it. 

Why are there three numbers for the Load Averages?

You can find more information about this on wikipedia http://en.wikipedia.org/wiki/Load_(computing)

Does this plugin work with all hosting companies?

In theory this plugin works with all type of machine and all type of hosting companies. As explained above the hosting companies can decide to not give access to certain information about their machine and then the plugin cannot retrieve the information you want.

Why do I have two plugins after installing it? Do I need to activate both?

The plugin is made by two plugins, one plugin that handle the data, generate the administration interface and provide a hook to be inserted anywhre in your template and another that provides the widget functionnality.