How-to install Oracle JDK 7 on LXLE 12.04 LTS i386/amd64 Linux Easy Guide

May 22nd, 2014 by thelinuxevangelist

Install Oracle JDK 7 on LXLE 12.04 LTS




The Guide Shows You in Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Official Java SE JDK 7 for LXLE 12.04 LTS Salamander 32/64bit Linux Desktop.

To SetUp Oracle JDK you will need to Use the update-alternatives Tool to Update your System Java to 1.7 JDK.

To the How-to Install Oracle JDK 7 on LXLE 12.04 LTS Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install Eclipse IDE for Java Development on LXLE 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 JDK 7 on LXLE 12.04 are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 7 on LXLE 12.04 LTS - Featured
  1. Download Oracle Java SE JDK for Linux:

    Oracle JDK i586/x8664 tar.gz
  2. Double-Click on the tar.gz Archive and Extract into /tmp

    Install Oracle Java JDK 7 LXLE - Extract tar.gz Extraction Path

  3. Open a Command Line Terminal Window
    (Press “Enter” to Execute Commands)

    Ctrl+Alt+T

    Install Oracle JDK 7 on LXLE 12.04 LTS - Open Terminal
  4. Relocate JDK 7

    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
    chown -R root:root /tmp/jdk1.7*

    Then to shift the Oracle JDK 7 contents

    mv /tmp/jdk1.7* /usr/lib/jvm/
    
  5. Installing Oracle Java JDK 7

    update-alternatives --install \
    /usr/bin/java java /usr/lib/jvm/jdk1.7*/bin/java 1065
    
    update-alternatives --install \
    /usr/bin/javac javac /usr/lib/jvm/jdk1.7*/bin/javac 1065
    
    update-alternatives --install \
    /usr/bin/jar jar /usr/lib/jvm/jdk1.7*/bin/jar 1065
    
    update-alternatives --install \
    /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7*/bin/javaws 1065
    

    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. Getting-Started:

    Getting-Started Quickly with JDK
  7. Now Thanks to Oracle-Sun Corporation
    You are Able to Successfully Start with Java JDK 7 Use & Development.

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

    Install Eclipse Java LXLE

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