How-to install Oracle JRE 8 on Lubuntu 14.04 Trusty LTS 32-64bit Linux Easy Visual-Guide

February 9th, 2015 by thelinuxevangelist

Install Oracle JRE 8 on Lubuntu 14.04 Trusty 32/64bit



The Linux Tutorial Shows You in Easy-Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java SE JRE 8 i586/x64 for Lubuntu Linux 14.04 Trusty Tahr 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 Lubuntu 14.04 Trusty Bottom there is a Link to Installing Oracle JDK 8 and Eclipse for Java Developers for Lubuntu Linux.

To Make the Entire Process Easier to Visualize and Retain the Post Includes the Basic Screenshots of the Essentials Steps Involved.

The Content and Details of How-to Install Oracle JRE 8 on Lubuntu 14.04 Trusty are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tut Easier to Read & Digest ;)

Install Oracle JRE 8 on Lubuntu 14.04 Trusty - Featured
  1. Download Oracle Java SE JRE 8 for Linux:

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

    Install Oracle JRE 8 on Lubuntu 14.04 Trusty 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 Lubuntu 14.04 Trusty 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 Lubuntu:

    Install Eclipse for Java Lubuntu

    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. :)

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

    Install Oracle JDK8 for Lubuntu

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

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