How to Install Oracle JDK 8 on Robolinux 32-64bit Gnu/Linux Easy Guide

April 13, 2015 | By the+gnu+linux+evangelist.

Install Oracle JDK 8 on Robolinux 7.x i386/amd64

Hi! The Tutorial shows you Step-by-Step How to Install Oracle-Sun Java SE JDK 8 for Robolinux 7.x i386/amd64 GNU+Linux Desktop.

After Installing in you may need to make use of the update-alternatives Tool to Update your System Java.

Some Java 8 Features:

  • LAMBDA Expressions Programming
  • The Stream API
  • The Nashorn Javascript Engine
Install Oracle JDK 8 on Robolinux 7.x - Featured
  1. Download Oracle Java SE JDK8 for Linux.

    Oracle JDK8 i586/x8664 tar.gz
  2. Open a Terminal Shell Emulator Window
    (Press “Enter” to Execute Commands)

    Oracle JDK 8 Installation on Robolinux 7.x - Open Terminal
  3. Double-Click on the JDK8 tar.gz Archive and Extract into
    /tmp
    .

    Install Oracle JDK 8 on Robolinux 7.x - Java JDK 8 tar.gz Extraction Path
    Or from Shell:

    tar xvfz ~/Downloads/jdk-8*.tar.gz -C /tmp/
  4. Relocate Oracle JDK 8

    sudo su

    If Got “User is Not in Sudoers file” then see: How to Enable sudo
    Make a jvm Directory if Not already there with

    if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi

    Set the root superUser as owner

    sudo chown -R root:root /tmp/jdk1.8*

    Reiterate the Execution Permission over the Java binaries

    chmod -R +x /tmp/jdk1.8*/bin

    Finally, Shift the Java contents with

    mv /tmp/jdk1.8* /usr/lib/jvm/
    
  5. Update System Java to Oracle JDK8.

    update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8*/bin/java 1065
    
    update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8*/bin/javac 1065
    
    update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8*/bin/jar 1065
    
    update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.8*/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 Selection Number on First, Column. :)

    Lastly to Exit from the Super-User session:

    exit
  6. Setting JAVA_HOME User Environment Variable (Optional).

    su [myUserName]

    Or simply:

    exit
    su [myUserName]

    Or simply:

    exit

    And Edit the Bash environment Configuration file

    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk1.8[uX]

    Replace the [uX] Looking for the Installed Java 8 Version with:

    ls /usr/lib/jvm/

    Ctr+x to Save & Exit from nano Editor :)
    Load New Bash Config:

    bash
  7. Test New Java JDK 8 Installation.

    java -version
  8. How to Install Eclipse Java on Robolinux

    Eclipse Java IDE Install
  9. Now Thanks to Oracle-Sun Corporation you are able to Successfully Start Up with Java 8 Development.

    Welcome to Java 8 Challenge! ;)

    Install IntelliJ IDEA for Java & Android on Linux Robolinux
    Setup IntelliJ on Robolinux.


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