First, there are tons. Google. Yes, some know better links.
But, I think I will try wasting my time for the 50th time, lol.
Just go to
www.trainsignal.com aka
www.pluralsight.com Type virtualization in the search bar. There are 196 courses on the subject. NOT articles. Courses. Some are great. Some could be better. Depends on the lecturer. But, they are definitely qualified. I think most people never check it out. Most are turned off by the cost. Yep, doctors. It's a monthly subscription. Used to be you bought it on DVD.
There are TRIALS. And, there are all levels and every possible virtualization you could do SQL, Linux, Windows.