How to Install and Customize AWS EC2 for Apache Tomcat

Introduction:

Java-based web applications can be executed using the well-liked open-source web server and servlet container Apache Tomcat. Installing and configuring Apache Tomcat on a server running on AWS EC2 is explained in this blog post. We'll also walk you through accessing the Tomcat web interface and managing Tomcat using command-line tools.


How to Install and customize AWS EC2 for apache tomcat?

 

Step 1: Install Java on the Computer


  • SSH into your EC2 instance. 

  • Install Java using the amazon-linux-extras command.


#sudo amazon-linux-extras install java-openjdk11 -y


Step 2: Install Apache Tomcat


  • Switch to the root user.


#sudo su -


  • Navigate to the /opt directory.


#cd /opt


  • Download the Apache Tomcat binary.


wget https://dlcdn.apache.org/tomcat/tomcat-10/v10.1.11/bin/apache-tomcat-10.1.11.tar.gz


  • Unzip the Tomcat binary.


tar -xvzf apache-tomcat-10.1.11.tar.gz


Step 3: Include Execute Permission to Startup and Shutdown Scripts


  • Change the current directory to the Tomcat bin folder.


cd apache-tomcat-10.1.11/bin


  • Add execute permission to the ' startup. sh' and ‘shutdown. sh,' scripts.


chmod +x startup.sh chmod +x shutdown.sh


Step 4: Create Links for Tomcat Server Start and Stop


  • Create symbolic links for easy Tomcat server startup and shutdown.


ln -s /opt/apache-tomcat-10.1.11/bin/startup.sh /usr/local/bin/tomcatup ln -s /opt/apache-tomcat-10.1.11/bin/shutdown.sh /usr/local/bin/tomcatdown


Step 5: Configure Tomcat


  • Find all the ‘context.xml’ files within the Tomcat directory.


cd /opt/apache-tomcat-10.1.11 find -name context.xml


  • Open each context.xml file using a text editor (vim) and comment the line with the RemoteAddrValve.


For Example:


<!-- <Valve className="org.apache.catalina.valves.RemoteAddrValve" allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" /> -->

 

Step 6: Update User Information in tomcat-users.xml


  • Open the ‘tomcat-users.xml’ file for editing.


cd /opt/apache-tomcat-10.1.11/conf vi tomcat-users.xml


  • Add the following lines between the <tomcat-users> tags to set up user roles.


<role rolename="manager-gui"/> <role rolename="manager-script"/> <role rolename="manager-jmx"/> <role rolename="manager-status"/> <user username="admin" password="admin" roles="manager-gui,manager-script,manager-jmx,manager-status"/> <user username="deployer" password="deployer" roles="manager-script"/> <user username="tomcat" password="s3cret" roles="manager-gui"/>


  • Save the file and exit the text editor.

 

Step 7: Start the Tomcat Server


  • Start the Tomcat server using the symbolic link.


tomcatup

 

Step 8: Access the Tomcat Web Interface

  • Open your web browser and navigate to <http://<your_server_public_ip>:8080.>

  • You will see the Tomcat web interface, and you can log in using the credentials you set up in the Tomcat-users.xml file.

 

Conclusion:

Best wishes! Your Amazon Web Services (AWS) EC2 instance now has Apache Tomcat installed and configured successfully. You may now begin deploying Java-based web apps and monitoring and controlling them with the Tomcat management interface.


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