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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.

Service Wars  

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Office 365 is Microsoft's new, easy-to-manage cloud solution for email, tasks, and contacts, as well as real-time collaboration throughout the enterprise.

Security Script  

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The Nmap security scanner comes with a built-in scripting engine. We'll take a look at Nmap scripting and how the scripts are organized.

Growth??  

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This month, we show you how to map and install a large system landscape with Cobbler and Spacewalk – without a lot of effort.

Organized  

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We take a look at Active Directory basics and introduce some new features in Active Directory 2008 R2.

Quick Change!  

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RVM makes managing multiple Ruby interpreters, versions, and Gemsets more or less child's play.

Tune-Up  

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Performance can be a problem if you run additional services like Sharepoint, Exchange, or SQL on a Windows server. Luckily, the Windows tools described here can help administrators identify and resolve these problems.

Home-Grown Cloud  

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ownCloud is an alternative to the many online storage services whose data protection promises could turn out to be as nebulous as their offerings.

Dangerous Test Tools  

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The common Apache benchmarking tool known as ab can carry off a highly effective DoS attack if you're not prepared.

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