Starting tomcat from a shell script

Hello-
I want to start Tomcat from a shell script that is called by an application on a web page. Problem is, the app that calls the script runs as user nobody.
I'm a permissions noob, so any suggestions as to how I could get this working are appreciated.
Will

Tomcat should be running if you intend to use it as a service.
You don't want people to be able to start (or.. stop !) services on your server from a web page... That would present a gaping security hole.

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