Java Runtime (JRE)

The Java Runtime Environment (JRE) is an implementation of the JVM (Java Virtual Machine) that executes java programs. Visit the Java website for more information.

* is used throughout this documentation as a place holder for the version of the referenced object.

Install Java Runtime (JRE)

Download the latest rpm install file from Sun’s website
1. Open the Java SE downloads page in a browser
  http://java.sun.com/javase/downloads/index.jsp
2. Click the Download button for the Java SE Runtime Environment (JRE)
3. Select the Linux option for the Platform Select Box
4. Check the I agree to the Java SE Runtime Environment 6 with JavaFX License Agreement checkbox
5. Click the Continue button
6. Download the Java SE Runtime Environment RPM file
  Click the jre-*-linux-i586-rpm.bin file
7. Allow executing file as program (run the following command)
  chmod 0755 jre-*-linux-i586-rpm.bin
8. Execute the file
  ./jre-*-linux-i586-rpm.bin
9. Read and accept to license
10. Delete bin and rpm files
  rm -f jre-*-linux-i586-rpm.bin
  rm -f jre-*-linux-i586.rpm
11. Set the /usr/bin/java link
  1. Delete the existing /usr/bin/java link
    rm -f /usr/bin/java
  2. Create a new /usr/bin/java link
    ln -s /usr/java/jre*/bin/java /usr/bin
12. Create an alternatives link
  alternatives --install /usr/bin/java java /usr/java/jre*/bin/java 90
13. Set the alternatives java to be the default
  alternatives --config java
  Select the /usr/java/jre*/bin/java option
14. Register Java Plugin with Firefox
  1. Ensure the Firefox plugins folder exists
    mkdir /usr/lib/firefox-*/plugins
  2. Create a symbolic link to the Java Plugin in the Firefox Plugins Directory
    ln -s /usr/java/jre*/plugin/i386/ns7/libjavaplugin_oji.so /usr/lib/firefox-*/plugins
  3. Restart Firefox

Test Java Runtime (JRE)

Visit the Java Runtime test website.

References

Java Runtim Environment Documentation