How-to Install Oracle Java JDK 7 on Linux Debian 6 Squeeze Amd64 Lxde Easy Visual-Guide

September 15th, 2012 by Regaz



The Tutorial Shows You Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 x8664 on Debian Linux 6 Squeeze Lxde 64bit 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 Start with Java JDK 7 Development and also to Install the Java Web-Server Tomcat 7 on Debian Linux.

And this Visual Guide includes the Basic Screenshots of All GUI 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 Linux Wheezy 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:

    Getting-Started Quickly with JDK

Guides to Installing the Tomcat 7 Java Server on Linux:

Install Tomcat7 for Debian

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