How-to Install Hadoop on Mageia 32-64 bit Linux Step-by-Step Guide

January 29th, 2014 by thelinuxevangelist

Install Hadoop 2.X for Mageia Linux




The Tutorial Shows You Step-by-Step How-to Install and Getting-Started with Apache Hadoop/Map-Reduce vanilla in Pseudo-Distributed mode on Mageia 1/2/3/4 & Cauldron Linux 32/64bit Linux Desktop.

Hadoop is a distributed master-slave that consists of the Hadoop Distributed File System (HDFS) for storage and Map-Reduce for computational capabilities.

The Guide Describe a System-Wide Installation with Root Privileges but You Can Easily Convert the Procedure to a Local One.

The Content and Details of How-to Install Hadoop on Mageia Linux are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands.

Install Hadoop for Mageia 1/2/3/4 & Cauldron - Featured

  1. Download Latest Apache Hadoop Stable Release:

    Apache Hadoop Binary tar.gz

  2. Double-Click/Right-Click on Archive & Extract into /tmp

    Install Hadoop for Mageia 1/2/3/4 & Cauldron - KDE4 Apache Hadoop Stable tar.gz Extraction
  3. Open Terminal Window
    (Press “Enter” to Execute Commands)

    Cmd and Search “term”

    Install Hadoop for Mageia 1/2/3/4 & Cauldron - Open Terminal
  4. Relocate Apache Hadoop Directory
    su 

    If Got “User is Not in Sudoers file” then Look: Solution

    mv /tmp/hadoop* /usr/local/
    ln -s /usr/local/hadoop* /usr/local/hadoop
    mkdir /usr/local/hadoop/tmp
    chown -R root:root /usr/local/hadoop*
  5. How-to Install Required Java JDK on Mageia:

    Install Oracle JDK for Mageia
  6. Set JAVA_HOME in Hadoop Env File
    nano /usr/local/hadoop/conf/hadoop-env.sh

    Inserts:

    export JAVA_HOME=/usr/lib/jvm/<oracleJdkVersion>

    Ctrl+x to Save & Exit :)

  7. Configuration for Pseudo-Distributed mode
    nano /usr/local/hadoop/conf/core-site.xml

    The Content Should Look Like:

    <?xml version=”1.0″?>
    <?xml-stylesheet type=”text/xsl” href=”configuration.xsl”?>
    <configuration>
    <property>
    <name>hadoop.tmp.dir</name>
    <value>/usr/local/hadoop/tmp</value>
    </property>
    <property>
    <name>fs.default.name</name>
    <value>hdfs://localhost:8020</value>
    </property>
    </configuration>

    Next:

    nano /usr/local/hadoop/conf/hdfs-site.xml

    The Content Should Look Like:

    <?xml version=”1.0″?>
    <?xml-stylesheet type=”text/xsl” href=”configuration.xsl”?>
    <configuration>
    <property>
    <name>dfs.replication</name>
    <value>1</value>
    </property>
    <property>
    <!– specify this so that running ‘hadoop namenode -format’
    formats the right dir –>
    <name>dfs.name.dir</name>
    <value>/usr/local/hadoop/cache/hadoop/dfs/name</value>
    </property>
    </configuration>

    Latest:

    nano /usr/local/hadoop/conf/mapred-site.xml

    The Content Should Look Like:

    <?xml version=”1.0″?>
    <?xml-stylesheet type=”text/xsl” href=”configuration.xsl”?>
    <configuration>
    <property>
    <name>mapred.job.tracker</name>
    <value>localhost:8021</value>
    </property>
    </configuration>

  8. SetUp Path & Environment
    su <myuser>
    cd  
    nano .bashrc

    Inserts:

    HADOOP_HOME=/usr/local/hadoop
    export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

    The JAVA_HOME is Set Following Oracle Java JDK6+ Installation Version…

    Then Load New Setup:

    source $HOME/.bashrc
  9. SetUp Needed Local SSH Connection
    su -c "openssh-server"

    Generate SSH Keys to Access:

    ssh-keygen -b 2048 -t rsa
    cp ~/.ssh/id_rsa.pub ~/.ssh/authorized_keys

    Testing Connection:

    ssh 127.0.0.1
  10. Formatting HDFS
    hadoop namenode -format

    Install Hadoop for Mageia 1/2/3/4 & Cauldron - Terminal Apache Hadoop HDFS Formatting Succcess

  11. Starting Up Hadoop Database
    start-all.sh
  12. Apache Hadoop Database Quick-Start Guide:

    Hadoop MapReduce Quick-Start

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