To configure the  applet, right-click on the applet, then choose Preferences. Under Monitored Resources you can choose which graphics you want to displayProcessor
Select this option to display the graph for CPU usage.
Memory
Select this option to display the graph for memory usage.
Network
Select this option to display the graph for network traffic.
Swap Space
Select this option to display the graph for swap-space usage.
Load
Select this option to display the graph for average system load.
Harddisk
Select this option to display the graph for disk usage.
