How-to install Oracle JRE 8 on Ubuntu 12.04 Precise LTS 32/64bit Linux Easy Visual-Guide

April 15th, 2014 by thelinuxevangelist

Install Oracle JRE 8 on Ubuntu 12.04 Precise 32/64bit




The Guide Shows You in Easy-Steps How-to Install Oracle-Sun Java Runtime Environment 8 for Ubuntu Linux 12.04 Precise Pangolin LTS i386/amd64 Unity Desktop.

After Installing you will need to Use the update-alternatives Tool to Update your System Java to 1.8 JRE8.

To the Oracle JRE 8 Installation Ubuntu 12.04 Precise Bottom there is a Link to Installing Oracle JDK 8 and Eclipse for Java Developers for Ubuntu Linux.

Furthermore to Make the Process Easier to Visualize the Post Includes the Basic Screenshots of the Steps Involved.

The Content and Details of How-to Install Oracle JRE 8 on Ubuntu 12.04 Precise are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JRE 8 on Ubuntu 12.04 Precise - Featured
  1. Download Oracle Java SE JRE8 for Linux:

    Oracle JRE8 i586/x8664 tar.gz
  2. Open a Terminal Window
    (Press “Enter” to Execute Commands)

    Install Oracle JRE 8 on Ubuntu 12.04 Precise Open Terminal Window

  3. Double-Click on Archive and Extract into /tmp

    Or from Shell:

    tar xvzf jre-8*.tar.gz -C /tmp/

    Install Oracle JRE 8 on Ubuntu 12.04 Precise LTS - Extraction

  4. Relocate Oracle JRE 8
    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution
    To Make a jvm Directory Only if Not already there
    (You can directly copy & paste the commands into the terminal)

    if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi
    mv /tmp/jre1.8* /usr/lib/jvm/
    
  5. Update System Java to Oracle JRE8
    update-alternatives --install \
    /usr/bin/java java /usr/lib/jvm/jre1.8*/bin/java 1065
    
    update-alternatives --install \
    /usr/bin/javaws javaws /usr/lib/jvm/jre1.8*/bin/javaws 1065
    

    How-to Install Latest Eclipse for Java SE on Ubuntu:

    Install Eclipse for Java Ubuntu

    Checking or Setting the System Java Version in Use
    with

    update-alternatives --config java

    To Switch of Java Version Just Enter the Selection Number on First Column. :)
    Last Achieve the SuperUser session:

    exit
  6. How-to Install Oracle-Sun JDK 8 on Ubuntu Linux:

    Install Oracle JDK8 for Ubuntu

    Now Thanks to Oracle-Sun Corporation You are Able to Successfully Start with Java JRE 8 Use & Development.

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