Oracle Java JDK7 x64 How-to Install on Lubuntu 13.04 Raring amd64 Easy Visual-Guide

April 13th, 2013 by Regaz

How-to Install Oracle JDK 7 on Lubuntu 13.04 Raring




The Tutorial Shows You Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 x64 for Linux Lubuntu 13.04 Raring Ringtail 64bit Lxde Desktop.

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

To the Article Bottom there is a Link for Quick Getting-Started with Java JDK 7 Development and also How-to Install the Java Web-Servers Tomcat7 for Linux Lubuntu.

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

The Content and Details of How-to Install Oracle JDK 7 on Lubuntu 13.04 Raring are Essentials and Give Focus only to Instructions and Commands.

Install Oracle JDK 7 on Lubuntu 13.04 Raring - Featured
  1. Download Latest Oracle Java SE JDK 7:

    Oracle JDK x64.tar.gz
  2. Double-Click on the Archive and Extract into /tmpInstall Oracle JDK 7 on Lubuntu 13.04 Raring - Extract Java JDK 7 tar.gz
  3. Open Terminal Window
    Install Oracle JDK 7 on Lubuntu 13.04 Raring - 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

  8. How-to Install Apache Tomcat7 Server for Linux Lubuntu

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