[Commotion-dev] collectd number of users

[Seamus Tuohy]

Yea, from my search Ben is right on track. No better way with CollectD.

s2e


On 11/21/2012 09:25 AM, Benjamin Chodoroff wrote:
> On Tue 20 Nov 2012 10:00:30 PM EST, Sean McIntyre wrote:
>> Hey list,
>>
>> I'm trying to figure out what collectd mod to use to keep track of the
>> number of users on a node. I think some of you have talked in other
>> channels saying that keeping track of DHCP leases is the way to go. It
>> also sounds like one of you (Seamus?) has done this before.
>>
>> I installed the iptables mod from pre-built packages here
>> <http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/> but
>> for some reason am not getting any data out of it. Here's the relevant
>> config lines in /etc/collectd.conf.
>>
>> LoadPlugin iptables
>> <Plugin "iptables">
>>   Chain "filter" "FORWARD"
>>   Chain6 "filter" "OUTPUT"
>> </Plugin>
>>
>> Let me know if you see anything / if you've made this work before. I'm
>> kinda wondering if a special collectd mod needs to be made for this
>> purpose...? (hope not!)
>>
>> Sean
> 
> Just spent a minute looking around for a dhcp lease count collectd 
> plugin, but didn't find one. Iptables is one way of doing it, or 
> another option is to write a shell script collectd plugin using 
> https://collectd.org/wiki/index.php/Plugin:Exec that runs "cat 
> /var/dhcpd.leases | wc -l"
> 
> iptables will give a more accurate picture of instantaneous # of users, 
> i think.
> 
> -b
> 
> 
> 
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