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by mwpmaybe 3416 days ago
Just being able to programmatically provision a server at a moment's notice—even in normal day-to-day (i.e. non-catastrophic) situations—is a critical tool in my toolbelt.

You can take a snapshot of a VM, you can move it to a different host, you can spin up a new instance to test a major upgrade, you can clone a cluster for a few hours of testing, you can scale up and down...