In this tutorial I am going to explain the steps required to install and run Hadoop on a MacBook Pro. In this Demo I am using Mac OS X version 10.6.8. STEP 1 : Preparing Environment The first step in Hadoop installation is to setup the environment like Java, ssh connectivity etc. We will go through each of the required setup in detail. Hadoop is written in Java and requires Java 1.6 or higher for Hadoop installation. Mac comes with Java and you need to make sure that you have the required Java version installed on. Open the terminal and type the below. Jinesh-Mathews-MacBook-Pro:~ jineshmathew$ java -version java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-10M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) If java is not installed or the version is below 1.6 then you need to download and install java.Please see the below note. For Java versions 6 and below, Apple supplies their own version of Java . Fo