Cacti

I'm trying to create a graph similar to: http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/gallery/aragon-01.html After playing around in cacti with no luck, I'm thinking such a graph is not possible because of some limitations with cacti. I need to be able to create CDEFs that use two sources, suc...

I'd like to graph temperature of various areas in our facility. Any recommendations on network based temperature probes? I've seen a few on the market, but they are asking around $250 each, more than I want to pay.

I prefer to use SNMP to access remote boxes. Create a quick script which will fetch the data you're looking and feed it to SNMP. The appropriate line in snmpd.conf (if using UCD) would look something like this: pass .1.3.6.1.4.1.2021.255 /var/scripts/snmp_gateway That way you can safely retreive dat...