Monitor temperatures with Linux, Nagios, and DS1820 edit / delete

Cute. The sensors are a bit more expensive than the LM ones I use, but it's easier to drive lots of them from one device. The hack involving a small transformer and a power resistor strapped to a sensor to monitor the mains going out is... interesting.

to ds1820 electronics logging monitoring sysadmin temperature ... on 26 March 2014

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