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Server Observer

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Icinga's developers grew weary of waiting for updates to the popular Nagios monitoring tool, so they started their own project.

Watching the Daemons

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Administrators often write custom monitoring programs to make sure their daemons are providing the intended functionality. But simple shell tools are just as well suited to this task, and not just for systems that are low on resources.

Turnkey Solution

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PAM is a very powerful framework for handling software- and hardware-based user authentication, giving administrators a choice of implementation methods.

Message Exchange

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For years, Exchange has been the standard in-house server solution for all messaging tasks on Windows. This article introduces the highlights of the new Exchange version 2010.

Virtual Windows

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In theory, virtualizing all your old servers is a good idea, but managing them won't necessarily become any easier. Virtual Machine Manager gives Windows administrators an easy option.

Health Check

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Administrators don't need a massive arsenal of tools just to monitor a couple of systems. With Microsoft's free Sysinternals suite, admins can handle all sorts of tasks.

Memory Research

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Virtualized systems are inflationary when it comes to RAM requirements. Storage access is faster when excess RAM is used as a page cache, and having enough RAM helps avoid the dreaded performance killer, swapping. We take a look at the current crop of RAM.

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