Here's how to look at some JBOSS properties in the jmx-console
Note: You can change the current state of your server, but only during run time, configuration files are not updated. So, it's a nice way to look via a GUI and play a bit too.
http://haldevjbs##.hq.halw.com:8080/jmx-console/
where ## is your machine number
credentials:
admin/admin
Put jboss*:* in ObjectFilter name in upper right corner
Click on the link (search for):
name=SystemProperties,type=Service
Click on the "Invoke" button for showAll
You'll see all of the system properties
Another one to try (go back, and search)
Click on the link:
service=JNDIView
Click on the "Invoke" button for list
Another one to try:
Put jboss.system*:* in ObjectFilter name in upper right corner
Click on the link:
type=server
You'll see information about your server