GlassFish is an open-source application server that supports the deployment of Java-based applications. It is known for its flexibility and scalability, making it ideal for running enterprise-level applications. In this guide, we will walk through the steps to install the GlassFish JAVA Application Server on Ubuntu 22.04.

Step 1: Update Your System

Before installing GlassFish, update your system to ensure that all packages are up-to-date:

sudo apt update && sudo apt upgrade

Step 2: Install Java

GlassFish requires Java to run. You can install OpenJDK 11, which is the recommended version for GlassFish, with the following command:

sudo apt install openjdk-11-jdk

Verify the Java installation by checking the Java version:

java -version

Step 3: Download GlassFish

Next, download the latest version of GlassFish. Go to the official GlassFish download page and get the download link for the latest version. Then use wget to download it:

wget https://download.oracle.com/glassfish/6.2.5/release/glassfish-6.2.5.zip

Step 4: Install Unzip and Extract GlassFish

Install the unzip utility if you don't have it already:

sudo apt install unzip

Now, extract the downloaded GlassFish zip file:

unzip glassfish-6.2.5.zip

Move the extracted directory to /opt:

sudo mv glassfish5 /opt/glassfish

Step 5: Start GlassFish Server

GlassFish provides scripts to start and stop the server. Navigate to the GlassFish bin directory:

cd /opt/glassfish/bin

Start the GlassFish server with the following command:

sudo ./asadmin start-domain

Step 6: Access the GlassFish Admin Console

Once the server is started, you can access the GlassFish Admin Console by opening your browser and navigating to:

http://your_server_ip:4848

The default login username is admin, and there is no password initially. You will be prompted to set a new password during the first login.

Step 7: Enable GlassFish to Start at Boot

To ensure GlassFish starts automatically at boot, create a systemd service file:

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

Add the following content to the file:

[Unit]
Description=GlassFish Server
After=network.target

[Service]
Type=forking
ExecStart=/opt/glassfish/bin/asadmin start-domain
ExecStop=/opt/glassfish/bin/asadmin stop-domain
User=root
Restart=on-failure

[Install]
WantedBy=multi-user.target

Save the file, then reload systemd to apply the changes:

sudo systemctl daemon-reload

Enable GlassFish to start at boot:

sudo systemctl enable glassfish

Conclusion

Congratulations! You have successfully installed the GlassFish JAVA Application Server on Ubuntu 22.04. GlassFish is now ready to deploy your Java-based applications.

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