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• Charly's Column

  Worms, mail bombs, and users who send multiple megabyte Powerpoint files across the wire give Postfix administrators plenty of reasons to view their charges with a critical eye from time to time.

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• Charly's Column

  Ornithologists already know that magpies don’t really deserve their reputation. The true kleptomaniac in the world of birds is the raven. And it’s worthwhile for data dealers to make the acquaintance of Munin, a monitoring tool named after one fabled raven.

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• Charly's Column

  Network monitors are a dime a dozen, but Nload, which separates incoming and outgoing traffic and draws graphs on the console without X, is unique.

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• Charly's Column – SparkFun

  Is your neighbor burning the wrong kind of wood or did a couple of VWs just pass by your house? Charly finds out with a sensor. For an attractive approach to visualizing boring measurement figures, you can either use your own web server or rely on a specialized service like SparkFun.

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• Charly's Column

  Zsync handles a special case: large volume download files that change frequently but not drastically. Charly shows how this handy file fetcher can save you time and bandwidth.

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