Xen and the art of updating

I wrote an article in DeveloperWorks on Virtualizing Linux to test your apps. In the article I described how you can use Xen to run a stable base operating system for a web service. Then copy that base system, upgrade the packages to the latest releases and test the new system live before taking down the old one.

It was a lot of fun writing the article, while Xen is a pain to use right now, hopefully it won’t be for long.

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Published:
03.17.05 / 12pm
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