Lessons in OpenStack: New tutorials and how-tos: 
If you’re working in open source cloud infrastructure, there’s a good chance that you’re working with OpenStack.
And OpenStack is no small thing to learn about. Made up of dozens of related projects working together to power your cloud infrastructure needs, even those immersed in OpenStack every day need good resources for keeping up.
read more: Opensource.com Jason Baker
Supporting Open Source.
Have you tried: Farking?