Howto Install Oracle Java JDK 7 on OS4 OpenDesktop 13 64-bit Easy Visual-Guide

November 8, 2012 | By Regaz.

Install Oracle JDK 7 on OS4 Linux

The Guide shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 x64 on Linux OS4 OpenDesktop 13 x64 Desktop.

After Installing you can Use the update-alternatives Tool to Update your System Java to 1.7.

Finally, to the article Bottom there is a Link 4 Getting Installed also the JBoss Java Server for Linux OS4 OpenDesktop 13.

To Make the Entire Easy to Understand and Visualize the How to Install Oracle JDK 8+ on OS4 Includes the Basic Screenshots of All GUI Steps involved.

The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

How to Install Java OpenJDK JRE/JDK on GNU/Linux Distros
  1. Download Oracle-Sun Java SE JDK:

    Sun Java JDK 7 x64 tar.gz
  • Double-Click on Archive and Extract into /tmp
    Install Oracle JDK 7 on OS4 - 1

  • Open a Terminal Window
    (Press “Enter” to Execute Commands)

    Install Oracle JDK 7 on OS4 - Open Terminal Window
  • Relocate JDK 7


    If Got “User is Not in Sudoers file” then see: How to Enable sudo

    if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi

    The above command is used to create a jvm directory if not already there.

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

    Reiterate the Execution Permission over the Java binaries

    chmod -R +x /tmp/jdk1.7*/bin

    Finally, Shift the Java contents with

    mv /tmp/jdk1.7* /usr/lib/jvm/
  • 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

    And for the Java Compiler instead:

    sudo update-alternatives --config javac

    To Switch of Java Version Just Enter the Reference Number on First, Column. :)

  • Getting-Started and Running with JDK 7:

    Quick Start Tutorial for JDK 7 Development
  • Installing the JBoss Server on Linux OS4:

    Installing JBoss 7.1 on Linux OS4

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