Installing WildFly on Ubuntu 22.04

WildFly, formerly known as JBoss Application Server, is an open-source Java EE application server for building and deploying enterprise-level Java applications. It is fast, lightweight, and provides a flexible and scalable runtime environment.

Prerequisites

Before installing WildFly, make sure you have the following:

• Ubuntu 22.04 installed
• Java Development Kit (JDK) installed

Step 1: Update the System

Open a terminal and run the following commands to update the system:

sudo apt update
sudo apt upgrade

Step 2: Install WildFly

To install WildFly, follow these steps:

1. Download the WildFly distribution from the official website: https://wildfly.org/downloads/
2. Extract the downloaded package to a directory of your choice. For example:

tar xf wildfly-{version}.tar.gz
sudo mv wildfly-{version} /opt/wildfly

Replace {version} with the actual version number.

Step 3: Configure WildFly

To configure WildFly, perform the following tasks:

1. Set up the environment variables by creating a new file /etc/profile.d/wildfly.sh with the following contents:

export JBOSS_HOME=/opt/wildfly
export PATH=$JBOSS_HOME/bin:$PATH

2. Make the script executable:

sudo chmod +x /etc/profile.d/wildfly.sh

3. Apply the changes to the current session:

source /etc/profile.d/wildfly.sh

Step 4: Start WildFly

To start WildFly, run the following command:

sudo systemctl start wildfly

You can also enable WildFly to start automatically on system boot with the following command:

sudo systemctl enable wildfly

Step 5: Access WildFly Admin Console

Once WildFly is up and running, you can access the admin console by opening a web browser and navigating to:

http://localhost:9990/

Enter the username and password you've set during the installation process.

Congratulations! You have successfully installed and configured WildFly on Ubuntu 22.04.