28. Green IT

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You might think that a book about system administration would be the last place to find a chapter on environmental and social consciousness. But now that large IT installations have become commonplace, the environmental impact and resource consumption of the equipment we oversee have started to attract attention. Green IT is the art and science of reducing these hidden and not-so-hidden costs.

Although each of us can make a difference through small changes in our choices and behavior, most improvement comes from centrally driven efforts to effect change. For example, no amount of “Choose unleaded gasoline! It’s a whole lot better!” ...

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