You can monitor ActiveMQ using the Web Console by pointing your browser at
From ActiveMQ 5.8 onwards the web apps is secured out of the box.
The default username and password is admin/admin. You can configure this in the conf/jetty-real.properties file.
Or you can use the JMX support to view the running state of ActiveMQ.
For more information see the file
docs/WebConsole-README.txt in the distribution.