Install Apache Tomcat on Ubuntu

Ubuntu repository does not provide the latest version of Apache Tomcat. If you are desired to install the latest version of Apache Tomcat and to add it to the Eclipse, this article is for you.

Requirements:

ApacheTomcat depends on Java Development Kit so you must have either Oracle JDK or OpenJDK installed on your system. In case if you do not have JDK in your system, follow these articles first and install Oracle JDK on your computer.

• Install Oracle JDK 8 on Linux 
• Install Oracle JDK 11 on Linux 

Step 1:

Download the latest version of Apache Tomcat from the official link.

DOWNLOAD

Step 2:

Open the Terminal (Ctrl + Alt + T) and enter the following command to change the directory.

cd /opt/

Step 3:

Enter the command given below to extract the Tomcat from  the ~/Downloads directory. If your downloaded file is in any other directory, replace the last parameter by the actual file path.

sudo tar -xvzf ~/Downloads/apache-tomcat-8.5.50.tar.gz

Step 4: (Optional)

Rename the folder name to apache-tomcat.

sudo mv apache-tomcat-8.5.50/ apache-tomcat/

Step 5:

Tomcat creates some files at the runtime inside this folder (Log files and some other configuration files). If you want to start Tomcat without root privilege, it is required to change the permission of this directory. Enter the following command to change the permission of apache-tomcat folder.

sudo chmod -R 777 apache-tomcat/

Step 6:

An environment variable has to be added to the system. Enter the following command in the terminal to open the /etc/environment in gedit.

sudo gedit /etc/environment

Step 7:

Add the following line at the end of the file. Save and close the gedit.

CATALINA_HOME="/opt/apache-tomcat"

The /etc/environment before the modification.

The /etc/environment after the modification.

Step 8:

Reload the environment variables to the current terminal using this command.

source /etc/environment

Step 9:

Enter the following command to start the Tomcat server.

$CATALINA_HOME/bin/startup.sh

Step 10:

Visit to the following URL.

https://localhost:8080/

If you get the Apache Tomcat home page, you have successfully installed the Apache Tomcat in your system.

Step 11:

To stop the Tomcat, enter the following command.

$CATALINA_HOME/bin/shutdown.sh

Integrate Tomcat with Eclipse

If you do not have the Eclipse, follow this link and install the Eclipse first.

Step 1:

Open the Eclipse.

Step 2:

Goto Windows → Preferences in the menu bar and select the Runtime Environments under the Server.

Step 3:

Click on the 'Add' button.

Step 4:

Select your Apache Tomcat version under the 'Apache' root and click 'Next'.

Step 5:

Browse and select the Tomcat installation directory.

Step 6:

Click on the 'Finish' button

Step 7:

Click on the 'OK' button to close the Preferences dialog.

Now you are ready to use Apache Tomcat from Eclipse.

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