On 12/21/2009 9:08 AM, sadas sadas wrote:
> What is the best way to monitor the total incoming / outcoming network
> traffic of CentOS server. I think that the solution is to monitor the
> network interfaces and to send SNMP packets to remote server. But is it
> possible?
>
MRTG is the simplest to setup, but it only does graphs. It's especially
easy if you're trying to monitor the local host. You'll need to also
install the net-snmp and possibly net-snmp-utils packages.
Network monitoring solutions also do graphs (Cacti, Nagios, OpenNMS).
You can also try ntop. It produces pretty graphs and also segregates
network traffic by type/port.
In the past I've used Nagios & NTop. Unfortunately, NTop was a bit of a
CPU hog and I had stability issues with it that I never tracked down.
So at the moment, we're mostly relying on MRTG to see traffic.
You can also (ab)use MRTG to graph things like CPU usage & CPU
temperature, disk utilization, or anything else that you can query via a
remote shell command or SNMP query.
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