Top Commands to Diagnose Performance of Your Linux System

Nicholas Leippe nick at
Wed Jun 26 19:41:42 MDT 2013

I've found dstat and htop handy.

Also, lsof has been a lifesaver many times for me.

Checking /proc/mdstat to see if a drive failed and it's rebuilding a hot
spare can help--but you should've got an alert for it already...

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