Java Runtime Environment (JRE6) for Ubuntu JRE
- by Martin Kaba
- on Fri Aug 24, 2007
- 9 Comments

The Java Runtime Environment(JRE) enables your computer to run applications and applets that use Java technology. Without it some web pages would not be completely downloaded. In Ubuntu JRE, and the JRE plugin for Firefox have to be installed personally. Unfortunately Debian based systems have to use an alternative method because Sun Microsystems provides only RPM and Binary packages.
Control if your multiverse repositories are enabled. If not enable them and from the command line type or copy and paste this command;
1 | sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts |
- This command permits you to install JRE version 6 with its relative plug-ins for Firefox. Now follow screen instructions.
Verify the JRE version just installed by typing, java -version on the command-line
Next open Firefox and type about: plugins in the address bar and check out for Java plugins or take a test from the Sun Microsystems Verify Page.
[Update 1] Even for your Ubuntu 9.04 – - Java Runtime Enviroment is a must have!!!
[Update 2] For your Ubuntu 9.10 ‘Karmic’ follow the procedure above – - just copy and paste to get the job done.






6:24 pm on August 25th, 2007
Thanks for the info…
8:36 pm on August 25th, 2007
A good one, have been trying to get JRE installed but to no avail. Thanks
2:12 pm on August 26th, 2007
Good blog, like your design. Excellent content. Keep blogging
2:11 am on August 28th, 2007
Just installed JRE6. Thx for the tip
9:33 am on August 29th, 2007
if you installed 2 or more versions of java like java 1.4, java 5 and java 6. use
sudo update-alternatives – -config java
to choose which version you want as default java.
12:26 am on November 10th, 2007
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9:50 am on December 9th, 2008
may i ask somebody to teach me how to make a jar file.plz send me in my email.thanks.
3:34 pm on April 11th, 2009
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4:52 pm on May 14th, 2009
Get the most recent Java Runtime Environment (JRE6) for #Ubuntu 9.04 – a copy and paste http://tinyurl.com/c2ra8g – a must have