Oracle Java JDK7 x86 Installation and Getting Started for PCLinuxOS 2012.08 32bit KDE4 Desktop Easy Visual-Guide

November 15, 2012 | By Regaz | Filed in: Uncategorized.

The Guide shows you Step-by-Step How to Install and Getting-Started with the Latest Oracle Official Java JDK 7 x86 on PCLinuxOS 2012.08 KDE4 32-bit 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 Installing the Java Tomcat7 Server on PCLinuxOS 2012.

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 Follow.

Step-by-step – OpenJDK 17 Linux Mint Installation
  1. Download Oracle-Sun Java SE JDK 7:

    Sun JDK 7 i586.tar.gz
  2. Double-Click on Archive and Extract into the /tmp Folder.
    Java JDK 7 tar.gz Extraction 1

  3. Open a Terminal Window
    (Press “Enter” to Execute Commands) Debian Open a Terminal Window

  4. Relocate JDK 7

    su 

    If Got “User is Not in Sudoers file” then see: How to Enable sudo

    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.

    sudo 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 contents 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

    And for the Java Compiler instead:

    sudo update-alternatives --config javac
  6. Getting-Started and Running with JDK 7:

    Quick Start Tutorial for JDK 7 Development

Howto Install Apache Tomcat 7 Server on PCLinuxOS 2012.

Tomcat 7 for PCLinuxOS

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