[CentOS] Monitor Network Traffic
thomas-lists at nybeta.com
Mon Dec 21 16:05:46 UTC 2009
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
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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