[CentOS] Outbound traffic spike every 30 minutes

On 03.12.2013 22:13, Bowie Bailey wrote:
> 
> I could try running tcpdump or wireshark, but that's going to generate 
> a
> lot of data and I'm not sure how to go about filtering it.

Not necesarily, you just need to look at the packets for 0 and 30, I 
think this is definitely THE way to go about it.
http://www.wireshark.org/docs/wsug_html_chunked/AppToolstcpdump.html

In addition jnettop could be helpful as well.

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