Keith Mayer does a great job explaining SharePoint in Windows Azure!

http://blogs.technet.com/b/keithmayer/archive/2013/01/07/step-by-step-build-a-free-sharepoint-2013-lab-in-the-cloud-with-windows-azure-31-days-of-servers-in-the-cloud-part-7-of-31.aspx

Try Windows Azure http://aka.ms/try-azure

Get your Microsoft Trial Products at http://aka.ms/msproducts

 

In case you missed any of the series here is a list to all of the articles: http://aka.ms/31azure