JConsole tutorials (Configuring JMX)

http://download.oracle.com/docs/cd/E17409_01/javase/6/docs/technotes/guides/management/jconsole.html

Configuring JMX - http://download.oracle.com/docs/cd/E17476_01/javase/1.5.0/docs/guide/management/agent.html#remote

Using JConsole - http://download.oracle.com/docs/cd/E17476_01/javase/1.5.0/docs/guide/management/jconsole.html