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How to Install Wildfly application server on Ubuntu 20.04

by Tech Desk
by Tech Desk

This tip is about the how to Install Wildfly application server on Ubuntu 20.04. So read this free guide, How to Install Wildfly application server on Ubuntu 20.04 step by step. If you have query related to same article you may contact us.

How to Install Wildfly application server on Ubuntu 20.04 – Guide

WildFly, formerly known as JBoss, is a free, open-source cross-platform application server that is now being developed by Red Hat. Written in Java, WildFly will help you build great applications. With its pluggable subsystems, you can configure the application as needed. WildFly (formerly JBoss) is a lightweight, fast and highly optimized application server that can be used to build great Java applications. WildFly is cross-platform and has a sophisticated user interface that makes changing application server settings and settings very easy and fast. It is currently maintained by RedHat as an open source project and is also available for commercial enterprise environments.

WildFly (formerly JBoss) is a lightweight, fast and highly optimized Java-based application runtime that lets you develop great applications from a single IDE. WildFly is a cross-platform with a robust dashboard that makes changing a setting on the application server and configuring it very easy and fast…you don’t need to search pages unnecessarily to adapt your environment to your needs…

Install Wildfly Application Server on Ubuntu 20.04

Install Java JDK on Ubuntu

WildFly is written in Java and needs to be installed as a prerequisite. There are two options for installing Java on Ubuntu Linux system.

  • Install OpenJDK.
  • Install the Java SE Development Kit.

    • The simplest way to get Java is to install OpenJDK on your Ubuntu system by running the commands below.

  • sudo apt update
  • sudo apt -y install default-jdk

    • The default version of Java installed from the above command is Java 10+. This is supported by WildFly.

  • $java -version
  • openjdk 11.0.13 2021-10-19
  • OpenJDK Runtime Environment (build 11.0.13 + 8-Ubuntu-0ubuntu1)
  • 64-bit OpenJDK VM Server (build 11.0.13 + 8-Ubuntu-0ubuntu1, mixed mode, sharing)

    • Download the WildFly installation file

    Check the WildFly downloads page for the latest releases before downloading the file. Here we will download WildFly 18.0.1.Final.

  • export WILDFLY_RELEASE = “26.0.0 ″ wget
  • https://github.com/wildfly/wildfly/releases/download/${WILDFLY_RELEASE}.Final/wildfly -${WILDFLY_RELEASE}.Final.tar.gz

    • Once the file is downloaded, extract it.

  • tar xvf wildfly – ${WILDFLY_RELEASE}.Final.tar.gz

    • Move the resulting folder to /opt/wildfly.

  • sudo mv wildfly – ${WILDFLY_RELEASE}.Final / opt / wildfly

    • Configure Systemd for WildFly

    Let’s now create a system user and group that will run the WildFly service.

  • sudo groupadd –system wildfly
  • sudo useradd -s / sbin / nologin –system -d / opt / wildfly -g wildfly wildfly

    • Create the WildFly settings directory.

    Copy the systemd WildFly service, configuration file, and startup script templates from the / opt / wildfly / docs / contrib / scripts / systemd / directory.

  • sudo cp /opt/wildfly/docs/contrib/scripts/systemd/wildfly.conf / etc / wildfly /
  • sudo cp /opt/wildfly/docs/contrib/scripts/systemd/wildfly.service / etc / systemd / system /
  • sudo cp /opt/wildfly/docs/contrib/scripts/systemd/launch.sh / opt / wildfly / bin /
  • sudo chmod + x /opt/wildfly/bin/launch.sh

    • Set permissions / opt / wildfly.

  • sudo chown -R wildfly: wildfly / opt / wildfly

    • Reload the systemd service.

  • sudo systemctl daemon-reload

    • Start and enable the WildFly service:

  • sudo systemctl start wildfly
  • sudo systemctl enable wildfly

    • Confirm the status of WildFly Application Server.

  • sudo systemctl status wildfly

    • The service must be bound to port 8080.

  • $ss -tunelp | grep 8080
  • tcp LISTEN 0 128 0.0.0.0:8080 0.0.0.0:* users: ((“java”, pid = 6854, fd = 389)) uid: 999 ino: 30339 sk: 3 <->

    • Add WildFly users

    By default, WildFly 16 is now shipped with security enabled for management interfaces. We need to create a user who can access the WildFly admin console or remotely use the CLI. A script is provided to manage users. Run it by running the command:

  • sudo /opt/wildfly/bin/add-user.sh

    • You will be asked to choose the type of user to be added. Since this is the first user, we want to make it an administrator. So choose one. What type of user do you want to add?

  • a) Management User (mgmt-users.properties)
  • b) Application user (application-users.properties)
  • (one):

    • Provide the desired username for the user.

  • Enter the details of the new user to be added.
  • Using the ‘ManagementRealm’ realm as discovered in existing property files.
  • Username :

    • Set the password for the user:

  • Password recommendations are listed below. To modify these restrictions, edit the add-user.properties configuration file.
  • The password must be different from the username.
  • The password must not be one of the following restricted values ​​{root, admin, administrator}
  • The password must contain at least 8 characters, 1 alphabetic character(s), 1 digit(s), 1 non-alphanumeric symbol(s)
  • Password:
  • Type the password again:

    • Accessing the WildFly Admin Console

    To be able to run WildFly scripts in your current shell session, add / opt / wildfly / bin / to your $ PATH.

  • cat >> ~ / .bashrc << EOF
  • export WildFly_BIN = ”/ opt / wildfly / bin /”
  • export PATH = $ PATH: $ WildFly_BIN
  • EOF

    • Create the bashrc file.

    Now test by connecting to the WildFly Admin Console from the CLI with the command jboss-cli.sh.

  • $ jboss-cli.sh –connect

    • Final note

    I hope you like the guide How to Install Wildfly application server on Ubuntu 20.04. In case if you have any query regards this article you may ask us. Also, please share your love by sharing this article with your friends.

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