[CentOS] Low random entropy

[Leon Fauster]

> Am 27.05.2017 um 01:09 schrieb Robert Moskowitz <rgm at htt-consult.com>:
> 
> I am use to low random entropy on my arm boards, not an intel.
> 
> On my Lenovo x120e,
> 
> cat /proc/sys/kernel/random/entropy_avail
> 
> reports 3190 bits of entropy.
> 
> On my armv7 with Centos7 I would get 130 unless I installed rng-tools and then I get ~1300.  SSH into one and it drops back to 30! for a few minutes.  Sigh.
> 
> Anyway on my new Zotac nano ad12 with an AMD E-1800 duo core, I am seeing 180.
> 
> I installed rng-tools and no change.  Does anyone here know how to improve the random entropy?


http://issihosts.com/haveged/

EPEL: yum install haveged

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LF