You can try like this: sudo apt-get install tomcat write upto this and press tab to get suggestions. If a package is kept back, obsoleted it will not be directly available.
Other way is: Try at Software Center/Synaptic Package Manager searching with the Keywords relevant to your one and get the idea. Lenin -- Ubuntu Bangladesh | http://ubuntu-bd.org [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bd
