GlassFish is an open-source application server that provides support for Java EE (Enterprise Edition) applications. It is developed by Oracle and offers features such as clustering, scalability, and high availability for enterprise-level applications.
Ubuntu 20.04 installed on your system
Java Development Kit (JDK) installed
Step 1: Update the System
Before installing GlassFish, it is recommended to update the system packages to their latest versions. Open a terminal and run the following commands:
sudo apt update
sudo apt upgrade -y
Step 2: Install GlassFish
To install GlassFish, you need to download the appropriate version from the official website. Visit the GlassFish Downloads page (https://javaee.github.io/glassfish/download) and select the latest stable version. Copy the download link for the platform-independent ZIP file.
wget -O glassfish.zip [paste URL here]
Once the download is complete, unzip the file using the following command:
Step 3: Configure GlassFish
After extracting the ZIP file, you need to configure GlassFish before starting it. Change to the GlassFish installation directory:
Set the executable permissions for the `asadmin` script:
chmod +x bin/asadmin
Start the GlassFish domain configuration:
Step 4: Verify GlassFish Installation
To verify that GlassFish is installed properly, access the GlassFish administration console from your web browser:
If the administration console opens successfully, it means that GlassFish is installed and running.
Step 5: Access GlassFish Application
You can access the GlassFish application from your web browser with the following URL:
By default, GlassFish displays a page with version information to confirm that it is running properly.
You have successfully installed GlassFish on Ubuntu 20.04. GlassFish provides a robust platform for developing and deploying Java EE applications with features like clustering and high availability.
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