If you prefer, TomEE can be setup by deploying a .war file into an existing Tomcat installation, as opposed to using the all-in-one bundle. This guide provides a set of step-by-step instructions to this approach.
<!-- Activate those lines to get access to TomEE GUI -->
<role rolename="tomee-admin" />
<user username="tomee" password="tomee" roles="tomee-admin,manager-gui" />
Macintosh:apache-tomcat-7.0.32 jgallimore$ cp ~/Downloads/tomee-plus-webapp-1.5.0.war webapps/tomee.war
Macintosh:apache-tomcat-7.0.32 jgallimore$ cd bin Macintosh:bin jgallimore$ ./catalina.sh run