Oracle-Sun Java JDK 7 How-to Install and Getting-Started on Linux Debian 6 Squeeze Gnome 64bit

July 20th, 2012 by Regaz



The Tutorial 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 Gnome Amd64 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 Getting-Started with Java JDK 7 Development and also to Install the Java Web-Servers Tomcat 7 & JBoss 7 Servers on Debian Linux 6.

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 Java JDK 7:

    Java 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 Root Terminal Window
    (Press “Enter” to Execute Commands) Debian Open a Root Terminal Window
  4. Relocate JDK 7
    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. Update System Java to 1.7
    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
  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

Guides to Installing the Tomcat 7 Server on Linux:

How-to Install Tomcat 7 on Linux
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