Packt is a modern, unique publishing company with a focus on producing cutting-edge books for communities of developers, administrators, and newbies alike. Packt believes in Open Source. When we sell a book written on an Open Source project, we pay a royalty directly to that project. As a result of purchasing one of our Open Source books, Packt will have given some of the money received to the Open Source project. For more information, please visit www.PacktPub.com.