Tomcat 10.x on RHEL 8/9

This article describes the procedure for installing and configuring Apache Tomcat 10.x to deploy the OvalEdge application on RHEL 8/9 systems. It outlines the required setup, configuration steps, and service enablement. The guide ensures a consistent and repeatable installation process aligned with OvalEdge deployment standards.

Prerequisites

• User account with sudo privileges

• Stable internet connection

• Access to the OvalEdge application package (WAR file)

• Required configuration files (oasis.properties, log4j.properties)

Steps Involved

1. Create Required Directories

   • Log in to the application VM and create directories to store application configuration files.

2. Download Apache Tomcat

   • Download the hardened Tomcat package using the following command:

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     wget https://ovaledge.s3.us-west-1.amazonaws.com/scripts/hardened_tomcat/apache-tomcat-10.1.40.tar.gz

     Sample Reference Screenshot:

     
3. Extract the Tomcat Archive

   • Extract the downloaded archive:

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     tar -xvf apache-tomcat-10.1.40.tar.gz

     Sample Reference Screenshots:

     

     

4. Configure Environment Settings

   • Navigate to the Tomcat bin directory and create the setenv.sh file:

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     vi apache-tomcat-10.1.40/bin/setenv.sh

   • Add the following configuration:

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     export CATALINA_OPTS="-Duse.http=true -DOVALEDGE_SECURITY_TYPE=db -Dlog4j.configuration=file:/home/ovaledge/extprop/log4j.properties -Dext.properties.dir=file:/home/ovaledge/extprop/ -Xms4g -Xmx7g -DOVALEDGE_ENCRYPT_DECRYPT_KEY=<client_input> --add-opens=jdk.zipfs/jdk.nio.zipfs=ALL-UNNAMED --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED"

     Sample Reference Screenshot:

     

1. Deploy the OvalEdge Application

   • Navigate to the webapps directory and place the ovaledge.war file (provided by the OvalEdge team). Sample Reference Screenshot:

     
2. Configure Tomcat as a System Service

   • Navigate to the systemd directory:

   • Create the service file:

   • Add the following configuration:

     Sample Reference Screenshot:

     
   • Save the file.

3. Enable and Start Tomcat Service

   • Reload systemd and start the Tomcat service:

     Sample Reference Screenshot:

     
4. Validate the Deployment

   • Access the application using a web browser:

   • Allow approximately 2 minutes for the application to initialize.

     

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