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Virtual Cluster  

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High-availability clusters have become an important part of the system administration landscape. Tools like KVM bring the benefits of virtualization to HA clustering environments.

Object of Desire  

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Scalable storage is a key component in cloud environments. RADOS and Ceph enter the field, promising to support seamlessly scalable storage.

Nailed Down  

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AppLocker lets administrators of Windows Server 2008 R2 and Windows 7 use policies to block individual applications. This prevents users from smuggling in undesirable programs on USB sticks or by email.

Collect All  

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Effectively monitoring your cluster can be one of the keys to understanding how the hardware and software are interacting. In many cases, this means examining the performance of a single node.

Home Brew  

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With just a couple of command-line tools and DIY scripts, you can easily clone and manage your virtual machines. Dynamic DNS updates ensure that your virtual servers are immediately accessible on the network.

News  

Pitfalls  

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A market based on multisourced commodity hardware and openly available software might significantly reduce the cost of HPC systems, but it could also conceal costs of ownership in time and money. We'll show you how to avoid common hazards when building your own HPC installation.

Tailor-Made  

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VMware vSphere is still the most comprehensive virtualization solution on the market, and the manufacturer has made it even easier to install on the latest crop of hardware by adding the Image Builder and an option to install from a USB memory stick.

Swap Tricks  

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What happens when RAM runs out?

Package Delivery  

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Keep your whole network up to date with Satellite Server – an enterprise-ready patch management system closely tied to Red Hat's prolific update service.

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