Showing posts with label kernel. Show all posts
Showing posts with label kernel. Show all posts

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 :-)

2012-04-05

PCMCIA shaped DMM: NI-DAQCard-4050 driver for Linux

Ezt az opensource projectet Kokesz kolléga csinálja, mesélt is róla, de persze elfelejtettem. Ma megtaláltam újra, és gyorsan meg is örökítem az utókornak.
A cucc hálistennek nem igényli a NI-os bloatwdrivereket, cserébe a pollozást még hekkelni kell majd.