Bowie Bailey wrote:
> Does anyone know of a cheap temperature sensor that will work with
> Linux? I don't need a fancy monitoring appliance, I just want a simple
> sensor that I can connect to one of my monitoring servers to let me know
> if the server room is getting hot.
I don't know what your idea of cheap is, but I use Servertech PDUs
exclusively and their Smart and Switched models are network aware and
have optional temperature/humidity probes which you can query via
SNMP. This is handy because you then have sensors essentially built
into each and every rack. Pretty simple to have nagios query the
SNMP value and alert. Also am having cacti graph the data as well.
Most of the servertech PDUs the sensors plug directly into the PDU,
on some of them it requires an add-on module. Each PDU typically
supports 2 sensors, the cables are about 10 feet.
About 5 years ago at a company I deployed a Sensatronics model E4
which has up to 16 probe inputs, and they have sensors with cables
up to something like 300 feet. Monitorable by a simple http server
and I believe it has SNMP as well.
They have fancier monitoring appliances as well with alerting and
stuff though they weren't out when I was using their stuff.
nate
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