Problem scenario
You want to install Apache Tomcat on Ubuntu Linux. How do you do this?
Solution
There are three separate ways of doing this.
Possible solution #1: Run this command: sudo apt-get -y install tomcat8
Possible solution #2: See this posting.
Possible solution #3: Use these directions with one modification: Step #3 has a URL that needs to be replaced with this URL: http://apache.mirrors.ionfish.org/tomcat/tomcat-8/v8.5.58/bin/apache-tomcat-8.5.58.tar.gz