Installing Hadoop is a hassle; it involves a variety of steps, some proficiency on Linux commands and writing to various files. If you have tried manual installation, you know what I'm talking about. So, here is a simple Linux shell script. Save the following script as bulletinstall.sh and on your Ubuntu-ready machine, run it using: $ sudo sh bulletinstall.sh This script has been tested on Ubuntu 14.04 LTS; if you experience any issues, feel free to drop a comment. Here is the script: #!/bin/bash # This document is free to share and/or modify, and comes with ABSOLUTELY NO WARRANTIES. I will not be responsible for any damage or corruption caused to your Computer. Do know your stuff before you run this and backup your important files before trying out. # Author: owaishussain@outlook.com # LINUX SCRIPT TO INSTALL HADOOP 1.2.1 ON A MACHINE # If you already have this file, then put it in /tmp directory and comment out "wget" HADOOP_URL=http://www.us.apache.