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Today's Guide to Linux Virtualization

Apr 12, 2010, 19:34 (0 Talkback[s])
(Other stories by Joe Brockmeier)

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"Virtualization on Linux is nothing new. It's been around now more than 10 years and has advanced considerably but that doesn't mean it's simple. To the contrary, shops have a dizzying array of virtualization options to manage workloads and storage, and to reduce complexity, costs and energy usage. There's no question about whether to deploy virtualization; the real question is what virtualization solutions to look at and what workloads to virtualize. We'll help cut through the complexity and help set the options straight.

"Virtualization isn't always the answer, of course. Some workloads work best on physical servers without any abstraction. But there's quite a few advantages to using virtualization in the server room. In this feature, the first of a four-part series on virtualization, we will begin with an overview of the virtualization solutions on Linux. You can look forward to more details on standard virtualization strategies, virtual appliances, cloud computing, and more, in the weeks ahead.

"What's in Virtualization for You

"Virtualization isn't a hard sell these days. First and foremost, you have increased server utilization and lower energy costs by using virtualization to maximize the number of workloads running per server. In the bad old days of computing, Linux running on commodity x86 hardware tended to use only a fraction of the available computing power of a server. By using virtualization, you can ensure that the hardware is running a reasonable workload and save power by consolidating several workloads on one system."

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