How-to Install Oracle Java JDK 7 x86_64 on Linux Debian 6 Squeeze Xfce 64bit Easy Visual-Guide

September 15th, 2012 by Regaz



The Guide Shows You in Easy Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 x8664 for Debian Linux 6 Squeeze Xfce Amd64 Desktop.

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

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 on Debian 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;)

  1. Download Oracle Java SE JDK 7:

    JDK 7 x64.tar.gz
  2. Find and Double-Click on the tar.gz Archive Java JDK 7 tar.gz Extraction 1

    Extract it Into the /tmp Folder.

    Java JDK 7 tar.gz Extraction Path

  3. Open a Terminal Window
    (Press “Enter” to Execute Commands)
    Debian LinuxWheezy Xfce 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 Tomcat 7 Server on Linux:

Install Tomcat 7 for Debian
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