Question : How to install 2 instances of Tomcat application server 5.5.2

Hi,
I have a following requirement about tomcat application server 5.5.2

--->  Two instances of Tomcat application server (version 5.5.2) to be run under two different users.
 Ports are,
o   Instance #1  8080
o   Instance #2 - 8085

Java version - jdk-1_5_0_12


How can I do this.. Plz help

Answer : How to install 2 instances of Tomcat application server 5.5.2

There are many tutorials out there explaining this e.g.

http://azeditech.com/tomcat/multiple-tomcat-instances.html
http://blog.datajelly.com/company/blog/55-running-multiple-instance-of-tomcat-in-ubuntu.html
http://javaprepare.blogspot.com/2008/06/running-multiple-tomcat-instances-on.html