The reason I recommend this method is because it covers the fundamentals, and there is no need to have a local installation on your laptop. Moreover, the book will help you understand the basic concepts. If you already know the basics, trying Hortonworks sandbox is more suitable.
Category: Big Data
What’s the easiest way to learn Hadoop
If you know the basics about hadoop and you can’t wait to dive in there, I recommend using Hortonworks SandBox. You may want to run the tutorials listed on their site in sequence. It’s a great way to get you started.