How to install Oracle JRE 7 on CentOS 6.X 32/64-bit Linux Easy Visual-Guide

February 26, 2014 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Install Oracle JRE 7 on CentOS 6.X 32/64-bit

The Guide Shows You in Easy-Steps How to Install Oracle-Sun Java SE JRE 7 i586/x64 for CentOS 6.x i686/x8664 KDE/Gnome Linux Desktop.

To SetUp Oracle JRE you will need to Use the update-alternatives Tool to Update your System Java to 1.7 JRE7.

To the Oracle JRE 7 Installation CentOS 6.X Bottom there is a Link to Installing Oracle JDK 7 and Eclipse for Java Developers for CentOS Linux.

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

The Contents and Details of How to Install Oracle JRE 7 on CentOS 6.X are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JRE 7 on CentOS 6.X - Featured
  1. Download Oracle Java SE JRE7 for Linux

    Oracle JRE7 i586/x8664 tar.gz
  2. Double-Click on JRE7 Archive and Extract into /tmp

    Install Oracle JRE 7 on CentOS 6.X - Extraction

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

    Install Oracle JRE 7 on CentOS 6.X 32/64-bit - Kde Open Terminal
  4. Relocate Oracle JRE 7

    sudo su

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

    Set the root superUser as owner

    sudo 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 JRE7

    update-alternatives --install 
    /usr/bin/java java /usr/lib/jvm/jre1.7*/bin/java 1065
    update-alternatives --install 
    /usr/bin/javaws javaws /usr/lib/jvm/jre1.7*/bin/javaws 1065

    Checking or Setting the System Java Version in Use

    update-alternatives --config java

    And for the Java Compiler instead:

    sudo update-alternatives --config javac

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

  6. How to Install Oracle-Sun JDK 7 on CentOS

    Install Oracle JDK for CentOS

    Now Thanks to
    Oracle-Sun Corporation
    You are Able to Successfully Start with Java JRE 7 Use & Development.

    How to Install the Latest Eclipse for Java Developers on CentOS

    Install Eclipse Java for CentOS

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