Monthly Archives: February 2012

CPU hotplugging

http://en.kioskea.net/faq/616-multicore-cpu-how-to-disable-a-core During boot, add maxcpus=X in the kernel command line Without reboot, (From http://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/) # cd /sys/devices/system/cpu # ls -l # echo 0 > /sys/devices/system/cpu/cpu6/online # grep “processor” /proc/cpuinfo # echo 1 > /sys/devices/system/cpu/cpu6/online # grep “processor” /proc/cpuinfo Advertisements

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Students SAT score is proportional to house income!?

http://www.danpink.com/archives/2012/02/how-to-predict-a-students-sat-score-look-at-the-parents-tax-return

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dpkg cheat sheet

http://www.cyberciti.biz/howto/question/linux/dpkg-cheat-sheet.php The ones I always forget: Files per package: dpkg -S /bin/netstat Files of a non installed package: dpkg -c dc_1.06-19_i386.deb Files of an installed package: dpkg -L perl

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Arduino history – documentary

http://vimeo.com/18539129

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Drive (Daniel Pink)

http://www.ted.com/talks/dan_pink_on_motivation.html

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Scale of the Universe 2012

Very nice: http://www.onemorelevel.com/game/scale_of_the_universe_2012

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The Software Stack and Latency

http://antirobotrobot.tumblr.com/post/17138289530/the-software-stack-and-latency

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