ServiceMix comes with a server that you can either embed in Spring or Geronimo or you can run the server as a stand alone process. To run ServiceMix in standalone mode, get a binary download of ServiceMix and type the following commands in a terminal
cd $SERVICEMIX_HOME
bin/servicemix
You should now have ServiceMix running with a basic configuration - but no components.
For configuration options - see Configuration.
When the server is running, whether embedded or as a stand alone service you should be able to use a JMX Console to monitor the statistics and state of the server.
For more details on Installing and Running ServiceMix please see Getting Started.