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Education

+ - Updating "Kernel Projects for Linux" to 2.

Submitted by zastard
zastard (316106) writes "In 2001 Gary Nutt published "Kernel Projects for Linux", a set of 12 exercises composed for the 2.2 kernel. The style, format and content of this book are very suitable for an undergrad OS course. Plus, the relative simplicity of the 2.2 kernel lent itself to understandability by greenish CS students. Unfortunately, if you want to use this book to teach today you have basically two options. Option one is to run some horrifying, old version of linux (like Mandrake 7.2) inside a vm. Option two is to rewrite all the exercises for a newer version of the kernel. Neither of these options seems entirely satisfying. So, my question for you: Is there an equivalent resource to "Kernel Projects for Linux", either in book form or in website form, for the 2.6 kernel?"
Power

+ - Seven steps to a green data center

Submitted by jcatcw
jcatcw (1000875) writes "Computerworld's Rob Mitchell has advice about saving money by saving enery. First, consolidate — removing physical servers can save up to $1,200 in energy costs per server per year. Use of power management features and turning off unused servers can cut energy requirements by about 20%. Go with high-efficiency power supplies. Break down internal business barriers, especially between IT and facilities — a watt saved in data center power consumption saves at least a watt in cooling. Forty-one percent of Computerworld readers say they don't know how much energy their data centers use — either because it's not metered separately from the rest of the facility or because it's not part of the IT budget. But greening is about more than just energy. A Fannie Mae facility received points toward LEED certification for being located within a half-mile of public transportation, and by providing bicycle storage areas, changing rooms, preferred carpool parking and refueling stations for alternative fuel vehicles."

Those who do not understand Unix are condemned to reinvent it, poorly. - Henry Spencer, University of Toronto Unix hack

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