I have a linux box already running with its own instance of Apache with live websites. How do I install PF on this box?

I tried copying all files to the linux, then did:

nohup java -jar ProfitTrailer.jar &

... and it seems to be running. But when I try to access the monitor page by going:

www.(myurl).com:8081

... the browser times out... Not sure if changing the port number would help.

Thank you.