How-to Install Oracle Java JDK 7 on Debian 7 Wheezy Amd64 Lxde Linux Easy Visual-Guide

September 15th, 2012 by Regaz

Install Oracle JDK 7 on Debian Wheezy 7 Linux




The Guide Shows You Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Java JDK x64 on Debian Linux 7 Wheezy Lxde 64bit Desktop.

Oracle JDK 7 is a superset of JRE 7 that Contains Tools such as the Compilers and Debuggers necessary for Developing Applets and Applications.

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 to Install the Java Web-Servers Tomcat 7 & JBoss 7 Servers on Debian Linux.

The Content and Details of Oracle JDK 7 Installation Debian Wheezy 7 Linux are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 7 on Debian Wheezy 7 Linux - Featured
  1. Download Oracle-Sun Java SE JDK for Linux:

    Oracle JDK x64 tar.gz
  2. Find and Double-Click on the tar.gz Archive Install Oracle JDK 7 on Debian Wheezy 7 Linux - tar.gz Extraction 1

    Extract it Into the /tmp Folder.

    Install Oracle JDK 7 on Debian Wheezy 7 Linux - tar.gz Extraction Path

  3. Open a Terminal Window
    (Press “Enter” to Execute Commands)
    Install Oracle JDK 7 on Debian Wheezy 7 Linux - Lxde Open Terminal
  4. Relocate JDK 7
    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. Getting-Started and Running with JDK 7:

    Quick Getting-Started Tutorial for JDK 7 Development

Guides to Installing the Tomcat7 Java Server on Debian Linux:

Install Tomcat7 for Debian

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