2014-06-17

kmem russian roulette

sudo dd if=/dev/urandom of=/dev/kmem bs=1 count=1 seek=$RANDOM

I already forgot where and when I read about this first... The theory is that every weekend you shoot this on one of your servers, that should eventually fail. Now, if your HA/failover solution does not compensate inside your SLA, you can fix it outside business time.

About this game on bashorg :-)

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