Hortonworks Sandbox: Stinger, Visualizations and Virtualization by Cheryle Custer.
From the post:
A couple of weeks ago, we releases several new Hadoop tutorials showcasing real-life uses cases and you can read about them here.Today, we’re delighted to bring to you the newest release of the Hortonworks Sandbox 1.3. The Hortonworks Sandbox allows you to go from Zero to Big Data in 15 Minutes through step-by-step hands-on Hadoop tutorials. The Sandbox is a fully functional single node personal Hadoop environment, where you can add your own data sets, validate your Hadoop use cases and build a small proof-of-concept.
Update of your favorite way to explore Hadoop!
Get the sandbox here.