Creating a Hadoop Pseudo-Distributed Environment

Hadoop developers usually test their scripts and code on a pseudo-distributed environment (also known as a single node setup), which is a virtual machine that runs all of the Hadoop daemons simultaneously on a single machine. This allows you to quickly write scripts and test them on limited data sets without having to connect to a remote cluster or pay the expense of EC2. If you're learning Hadoop, you'll probably also want to set up a pseudo-distributed environment to facilitate your...