Oracle-Sun Java JDK 7 How-to Install and Getting-Started on Pear-Linux 5 Gnome3 32bit Easy Visual-Guide

September 29th, 2012 by Regaz



The Guide Shows You How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 for Pear-Linux 5 Gnome3 i386 Desktop.

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

Finally to the article Bottom there is a Link to Install Firefox Aurora on Pear Linux.

To Make the Entire Process Easier to Visualize and Retain the Post Includes the Basic Screenshots of the Essentials Steps Involved.

The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Understand;)

Java-Balloon
  1. Download Oracle Java SE JDK 7:

    JDK 7 i586.tar.gz
  2. Find and Double-Click on the tar.gz Archive

    Extract it Into the /tmp Folder.

    Java JDK 7 tar.gz Extraction Path

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

    Pear Linux 5 >> Terminal

    Pear-Linux 5 Open Terminal

  4. Relocate JDK 7
    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution

    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.

    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 content 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

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

  6. Optionally Set Java Environment Variable

    su <myUser>
    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk1.<X.Y_uZ>

    Ctrl+x to Save & Exit from nano :)

    source $HOME/.bashrc
  7. How-to Install Oracle Java Browser Plug-In:

    Install Oracle Java Firefox PlugIn

Howto Install Firefox Aurora on Pear Linux 5:
Firefox Aurora on Pear
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