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Old 09-18-2016, 12:09 PM   #1
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Trace Bandwidth Spikes


Having a hard time here, hopefully someone here can help.

One server in question (Centos 6.8) has bandwidth sky rocketing to about 100MBps consistent. It's running cPanel control panel and none of the accounts are using much bandwidth. I cannot figure out how to trace where the spike is coming from. I tried this tcpdump but confused. I need to trace the source of the bandwidth spike and really could use some help. IPTRAF is a bit confusing too to me.

So, where is the spike and high traffic coming from, and what user/process? That's my goal to figure out.
 
Old 09-18-2016, 12:34 PM   #2
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Have you tried nethogs?
 
  


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