Install Tomcat 9 on Ubuntu 22.0.4 | Setup Tomcat 9 on Ubuntu 22.0.4 in AWS EC2 | Setup Tomcat on Ubuntu

Tomcat is one of the popular web containers for deploying Java applications. Tomcat is open source. Click here to learn more about Tomcat. Let's see how to install Tomcat on Ubuntu 22.0.4.

Tomcat is both Web server and web container

Please follow below steps to install Tomcat 9 on Ubuntu 22.0.4.

Pre-requisites:

• Create new EC2 instance first for setting up Tomcat. 
• Also open port 8080 in security firewall rules for EC2 instance in AWS.

Tomcat Installation

Tomcat is a web server or web container where java web application can be deployed by developers. You can learn more about by clicking this URL.  Tomcat can be installed by executing below commands:

Change Host Name to Tomcat
sudo hostnamectl set-hostname Tomcat

Update to Latest packages
sudo apt update

Install Tomcat9
sudo apt install tomcat9 tomcat9-docs tomcat9-admin -y

Perform below command for setting up tomcat admin app

sudo cp -r /usr/share/tomcat9-admin/* /var/lib/tomcat9/webapps/ -v

Setup an user in tomcat 
Open the tomcat-users.xml file by executing below command
sudo vi /var/lib/tomcat9/conf/tomcat-users.xml

You need to edit the file, click on this link to know how to make changes using Vi editor.

http://www.cidevops.com/2018/03/how-to-make-changes-in-linux-machine.html

We need to add tomcat user and assign to manager-script role.
Scroll down all the way to the end of the file,
Add the below lines in second last line above (above </tomcat-users>)

<role rolename="manager-script"/>

<user username="tomcat" password="password" roles="manager-script"/>

Now restart tomcat to take the changes in effect

sudo systemctl restart tomcat9

Verify if tomcat9 is working fine

sudo systemctl status tomcat9

Now press q for quitting from that window. Now open the browser to access Tomcat, enter

http://change to Ec2_public_dns_name:8080
 

You should see a page that says.

That's it. You have setup Tomcat successfully!!
 

Watch Steps in YouTube Channel: