How To Install tomcat9 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install tomcat9 on Ubuntu 20.04.
What is tomcat9
tomcat9 is:
Apache Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Oracle, and provides a “pure Java” HTTP web server environment for Java code to run.
This package contains only the startup scripts for the system-wide daemon. No documentation or web applications are included here, please install the tomcat9-docs and tomcat9-examples packages if you want them. Install tomcat9-user instead of this package if you don’t want Tomcat to start as a service.
Package: tomcat9 Architecture: all Version: 9.0.31-1 Priority: optional Section: universe/java Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian Java Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 303 Depends: lsb-base (>= 3.0-6), systemd (>= 238), tomcat9-common (>= 9.0.31-1), ucf Recommends: libtcnative-1 (>= 1.2.18) Suggests: tomcat9-admin (>= 9.0.31-1), tomcat9-docs (>= 9.0.31-1), tomcat9-examples (>= 9.0.31-1), tomcat9-user (>= 9.0.31-1) Filename: pool/universe/t/tomcat9/tomcat9_9.0.31-1_all.deb Size: 36376 MD5sum: 1933ecfc4a200dde69fe623e1b4e1d21 SHA1: 96150f27d4f72c095581776cbc8d0dd7a0f96995 SHA256: 77dd80d0f3308badc1d57101f0d6b9a9baba5b1f9b9e6911bd8ab0546866de81 Homepage: http://tomcat.apache.org Description-en: Apache Tomcat 9 - Servlet and JSP engine Apache Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Oracle, and provides a “pure Java” HTTP web server environment for Java code to run.
This package contains only the startup scripts for the system-wide daemon. No documentation or web applications are included here, please install the tomcat9-docs and tomcat9-examples packages if you want them. Install tomcat9-user instead of this package if you don’t want Tomcat to start as a service.
There are three methods to install tomcat9 on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install tomcat9 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install tomcat9 using apt-get by running the following command:
sudo apt-get -y install tomcat9
Install tomcat9 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install tomcat9 using apt by running the following command:
sudo apt -y install tomcat9
Install tomcat9 Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install tomcat9 using aptitude by running the following command:
sudo aptitude -y install tomcat9
How To Uninstall tomcat9 on Ubuntu 20.04
To uninstall only the tomcat9 package we can use the following command:
sudo apt-get remove tomcat9
Uninstall tomcat9 And Its Dependencies
To uninstall tomcat9 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove tomcat9
Remove tomcat9 Configurations and Data
To remove tomcat9 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge tomcat9
Remove tomcat9 configuration, data, and all of its dependencies
We can use the following command to remove tomcat9 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge tomcat9
References
Summary
In this tutorial we learn how to install tomcat9 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.