How to Install Oracle-Sun Java JDK 7 64-bit on Linux Pear OS 7 Amd64 Gnome3 Easy Visual-Guide

April 13, 2013 | By Regaz | Filed in: Uncategorized.

The Guide shows you Step-by-Step How to Install Oracle-Sun Java JDK 7 x64 and Getting-Started for Linux Pear OS 7 64-bit GNOME3 Desktop.

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

To the Article Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install the Evernote Clone on Pear-Linux 7.

And this Visual Guide 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 XDoclet on GNU/Linux
  1. Download Oracle Java SE JDK 7:

    Oracle JDK x64 tar.gz
  2. Find and Double-Click on the tar.gz Archive PearLinux 6.1 GNOME3 Java JDK 7 tar.gz Extraction

    Extract it Into the /tmp Folder.

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

    LaunchPad >> Terminal.

    Pear-Linux 6 Open Terminal

  4. Relocate JDK 7

    su 

    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/
  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

    And for the Java Compiler instead:

    sudo update-alternatives --config javac

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

  6. Getting-Started:

    Getting-Started Quickly with JDK
  7. How to Install Evernote Linux Clone on Pear-Linux:

    Evernote for Pear-Linux

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