How-to install Oracle JRE 8 on Ubuntu 14.10 Utopic 32-64bit Linux Easy Visual-Guide

February 7th, 2015 by thelinuxevangelist

Install Oracle JRE 8 on Ubuntu 14.10 Utopic 32/64bit



The Guide Shows You in Easy-Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java SE JRE 8 i586/x64 for Ubuntu Linux 14.10 Utopic Unicorn 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 14.10 Utopic Bottom there is a Link to Installing Oracle JDK 8 and Eclipse for Java Developers for Ubuntu 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 Ubuntu 14.10 Utopic 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 Ubuntu 14.10 Utopic - 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 14.10 Utopic 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 14.10 Utopic - 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. :)

  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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