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I started now using Cacti, because I think that is a very powerful help to RRDTools.
I want to use Cacti to monitorise several hosts in my company.
But for security reasons, here we don't use the SNMP protocol.
So I would like to know if there is another option or other way to use the Cacti in the network.
SNMP is perfect for this kind of stuff and you can limit access to certain hosts and certain OIDs, but anyway, you can create the stats locally (cat /proc/..... | grep) written to a local file or run SNMP locally writing the stats to a file, export the file to a network share and then write a script importing these values on the cacti host. As alternative you can use a SSH connection from cacti host to the monitored host to get the stats file. Finally, you could as well write a script to use SSH directly to gather the stats from your hosts, but at this point you should ask yourself why not tunnenling SNMP over SSH anyway.
For some devices, sure. But not everything supports that method. I guess it just boils down to what type of devices you're going to monitor and then implementing the securest polling method.
I am using a Nagios plugin that can be use with cacti as the same mode: NRPE. From a central host (Cacti host) you query some checks defined on host managed and he return the results (you must defined one script on Cacti-host to process data and make check...)...
