Apt-get tomcat on Ubuntu

Aptitude is the command line package manger for Debian. It has some neat advantages, and if you want to get Apache Tomcat, Java JDK and more in one command. This could be the right way to go. If you would like a little more control over your installation, try to compile it yourself.
http://manishtech.wordpress.com/2007/07/21/installing-and-configuring-tomcat-on-ubuntu/