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Practical VM Architecture: Highly Available Now that we understand how to handle managing VM sprawl, and we know we need to scale an application horizontally, let's take the next step and build a VM infrastructure that's capable of fault-tolerant operation. |
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Practical Architectures: Scaling with VMs Virtualization allows you to better utilize your servers, and effectively increasing that utilization can be a big cost-saver. Now that it is so easy to duplicate server instances using virtual machines, it makes sense to start talking about the best way to take advantage of this new ability. Improved application availability and performance can now be realized without many of the complications that used to plague us. How you go about it, however, may vary depending on the application in question. |
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Five Security Mailing Lists You Should Read Keeping up on security isn’t something you can afford to do lackadaisically. Everyone does, in the beginning, until that fateful day when important servers are compromised. More often than not, it could have been prevented if the server managers read the most important security mailing lists daily. |
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Judging Vendor Health How do you know that your vendor, supplier, or service provider will be around in a few years’ time? It is depressing to buy a 3-year support agreement and think that you’re covered in the event that something goes wrong, only to find out that the company just filed for chapter 11 bankruptcy. Maybe they will be acquired by a stable company and still operate the business unit you care about, maybe not. |
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Five Linux Resources to Keep You in the Know Keeping up with Linux is a time-consuming endeavor. Linux is frequently changing, and it's so large and widely-used that it is nearly impossible to keep up with all the evolution. With open source communities come power, productivity, and efficiency; so much that it is difficult to know what is happening. |
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Storage Virtualization Explained Advances in SAN technology finally make infrastructures more manageable and convenient to use. At the top of the list is of course virtualization, which can get confusing. In this article we’ll explain what storage virtualization is, and what types may be right for your environment. |
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