Tomcat on RHEL9 Version: We have three Tomcat versions available for you to choose from: Tomcat 9, Tomcat 10, and Tomcat 11. How to use: To start/stop/status tomcat: use the command 'systemctl start/stop/status tomcat'. Required Port: tcp:8080 Tomcat is widely used for developing, shipping, and running Java web applications. It provides a consistent environment and improves the portability and scalability of applications, making it a valuable tool for modern web development and operations.