How to Install WildFly on CentOS 8

WildFly is an open-source application server (formerly known as JBoss AS) that is Java EE-compliant and designed for building and deploying highly scalable and customizable enterprise Java applications.

Installing WildFly on CentOS 8

sudo yum update
sudo yum upgrade

cd ~
wget https://download.jboss.org/wildfly/24.0.1.Final/wildfly-24.0.1.Final.tar.gz

tar xvf wildfly-24.0.1.Final.tar.gz

sudo mv wildfly-24.0.1.Final /opt/

sudo useradd -r -s /sbin/nologin wildfly

sudo chown -R wildfly:wildfly /opt/wildfly-24.0.1.Final

sudo nano /etc/systemd/system/wildfly.service

[Unit]
Description=WildFly Application Server
After=syslog.target network.target
Before=httpd.service

[Service]
Environment=JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64
Environment=JBOSS_HOME=/opt/wildfly-24.0.1.Final
ExecStart=/opt/wildfly-24.0.1.Final/bin/standalone.sh -b=0.0.0.0
StandardOutput=null
User=wildfly
LimitNOFILE=102642

[Install]
WantedBy=multi-user.target

sudo systemctl start wildfly
sudo systemctl enable wildfly

1. Update the system packages by running the following commands in the terminal:
2. Download the WildFly application server from the official website. You can choose the desired version, but make sure to download the appropriate package for your system. For example, you can use the following commands to download WildFly 24.0.1:
3. Extract the downloaded archive by running the following command:
4. Move the extracted WildFly directory to the desired location, such as /opt:
5. Create a new system user to run WildFly:
6. Change the ownership of the WildFly directory to the newly created user:
7. Configure the WildFly service by creating a new systemd unit file:
8. Copy and paste the following content into the file:
9. Save and close the file by pressing Ctrl+X, followed by Y and Enter.
10. Start the WildFly service and enable it to start on boot:

After following these steps, WildFly should be successfully installed on CentOS 8, and you can access the administration console by visiting http://your_server_ip_address:8080 in a web browser. Make sure to replace "your_server_ip_address" with the actual IP address of your CentOS 8 server.