How to trace the cause of CPU Spikes?

  • Posted on February 28, 2015
  • vincentcAsked by vincentc

I have everyday a CPU spike of 10 minutes at a random moment. It goes up to 100%

Image picture:

Any idea’s how to trace the cause of this?

Is this normal?

specs: ubuntu 14.04 32 bit running services: mailserver (postfix, smtp, imap, pop3) nginx php5-fpm ispconfig a few wordpress websites

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