In this tutorial I will describe the steps for setting up a multi-node i.e. five nodes Hadoop Cluster running on Ubuntu. I have created this setup inside a VMware ESXi box. There are five virtual machines all having the same common configurations like 20GB HDD, 512MB RAM, etc. For this I will be using Ubuntu 14.04 LTS as operating system and Hadoop 1.2.1. All the machines will be