How to trace the cause of CPU Spikes?
I have everyday a CPU spike of 10 minutes at a random moment.
It goes up to 100%
Image picture: http://pwned.pw/snagit/2015-02-28_18-33-41.png
Any idea’s how to trace the cause of this?
Is this normal?
ubuntu 14.04 32 bit
mailserver (postfix, smtp, imap, pop3)
a few wordpress websites
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