Java is not supported in Ubuntu internally, Internet browsers who is not installed this version will not able to access or play the Java-based games and even application too. Luckily, installing java for Firefox is very simple procedure in Ubuntu 8.10.Java can be easily installed and configure with applying few commands.This all can be only possible by Debian-based Advanced Packaging Tool ( APT).
1.Open a port.Select the Ubuntu menu, go to “Accessories” option and then select the “Terminal”.
2.Just copy and paste “sudo gedit/etc/apt/sources.list” at the terminal space, and then press “Enter”. Enter your administrator password when asked.This will further take you to the open the Ubuntu 8.10(Intrepid Ibex) software repository list.
3.Give the permission to Ubuntu’s Universe and Multiverse repositories by removing ‘#’ at the starting of every APT line. Now click on the “Save” and take an exit from the file.
4.Copy and paste the text”sudo apy-get update” at the terminal space and then press “Enter”. After the updation is done, copy and paste the text ” sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts” at the terminal address and press “Enter”.
5.Select the option “Yes” when prompt to accept the Sun Java Licensing Agreement. Click “Enter” to install the Java enabling for Firefox, and also the required software.
6.Launch the Mozilla Firefox, click on “Tools” and then select “Add-ons”. Select the “Plugins” option now from the window top that will pop-up after clicking on “Add-ons”. If Java is configured and installed correctly in your system, the list will now have the name like” Java(TM) Plug-in 1.6.0_14." Now you can check the working of Java as by running a Java-based game or program on your system.