Tomcat7 install for Ubuntu

1. Search all info about Apache Tomcat 7:
#sudo apt-cache search tomcat

2. Install all files for tomcat 7:
#sudo apt-get install tomcat7-examples
#sudo apt-get install tomcat7-admin
#sudo apt-get install tomcat7

3. For example, stop and start tomcat
#sudo /etc/init.d/tomcat7 stop
#sudo /etc/init.d/tomcat7 start

4. Where is your config file? Here it is:
/etc/tomcat7