In this tutorial we will show you how to install and configuration of Oracle Java 8 on your Debian 8 server. Many programs and scripts that require java to run it, but usually Java is not installed by default on VPS or Dedicated Server. This article assumes you have at least basic knowledge of linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation JRE (Java Runtime Environment) and JDK (Java Development Kit) on Debian 8 (Jessie).
Install Oracle Java 8 on Debian Jessie
Step 1. Before we install any software, it’s important to make sure your system is up to date by running these following apt-get commands in the terminal:
Step 2. Installing Java.
First you need to add webupd8team Java PPA repository in your system:
And add following two lines at the end of the file:
debhttp://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
deb-srchttp://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
Now import GPG key on your system for validate packages before installing them:
Then, you will need to fully update the system with the following command and install it:
Step 3. Verify Installed Java Version.
Step 4. Configure Java Environment.
In order to let Debian to know where Java JDK and JRE is located, we need to set environment variables. Run the following command to set Java environment variables:
Congratulation’s! You have successfully installed Java. Thanks for using this tutorial for installing Oracle Java (JRE or JDK) on Debian 8 system. For additional help or useful information, we recommend you to check the official Java web site.