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• Charly's Column

  Charly loves to be organized, but he also likes to have access to mail that reached him when the dinosaurs were still roaming the earth.

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• Charly’s Column: OpenNetAdmin

  Last month, the Havege daemon helped organize the chaos in this column. Today, Charly attempts to organize the network – a tale of suffering in three chapters.

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• Charly's Column

  Parallel SSH is the name of an easy-to-configure tool that our resident sys admin, Charly, now routinely deploys whenever he needs to launch the same programs, copy the same files, or kill the same processes simultaneously on multiple computers.

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• Charly’s Column: haveged

  Practical cryptography is often an encounter with many random numbers in just a few moments. Entropy is the raw material that gives birth to the random number, but it’s harder to come by than you might think.

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• Charly’s Column: Cluster SSH

  Charly doesn’t relish the idea of searching through the logfiles of a dozen proxy servers when page requests fail. Now that he has deployed Cluster SSH, he can pull the strings on many machines at the same time.

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