Tomcat 6 binding on port 80 (instead of default port 8080)on ubuntu

Tomcat 6 binding on port 80 (instead of default port 8080)on ubuntu

http://thelowedown.wordpress.com/2010/08/17/tomcat-6-binding-to-a-privileged-port-on-debianubuntu/

Makes ure: Authbind = yes in /etc/defaults/tomcat6.
in /var/lib/tomcat6/conf /server.xml - change the port to 80 from 8080