[Gllug] RS-232 temperature reader and feeder into a web page

[Mike Brodbelt]

John Hearns wrote:

> You're going to rattle on about how you can do the job for pennies with 
> your solution , yadda yadda.
> You've posted to a group for advice, so listen to someone who HAS done 
> both your RS-232 route and the IPMI route.

Even without IPMI, most boards have sensors, so a kernel with sensor
hardware support and Net-SNMP is all you need. Recent Net-SNMP releases
include agent support for the lmSensors MIB, on (at least) Linux and
Solaris, which makes monitoring pretty easy. If you want automated
alerting as well just configure appropriate SNMP traps.

Of course IPMI boards and on dedicated LOMs are ideal, but if you don't
have them, you can still have decent monitoring.

Mike
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