best way to create entropy?

Oliver olipro at
Sun Oct 14 14:59:52 UTC 2012

On Friday 12 October 2012 00:01:18 shawn wilson wrote:
> in the past, i've done many different things to create entropy -
> encode videos, watch youtube, tcpdump -vvv > /dev/null, compiled a
> kernel. but, what is best? just whatever gets your cpu to peak or are
> some tasks better than others?

Haveged, every time.

Linux 3.7 will be getting some improvements in terms of entropy collection, to 
the point that it may well render haveged unnecessary.

Generally speaking I find that it's VMs that prove to suffer from low entropy 
(and thus benefit greatly from haveged)


More information about the NANOG mailing list