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Re: [Xen-users] I am running out of random numbers

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Serge Fonville <serge.fonville@xxxxxxxxx>
  • Date: Thu, 6 Aug 2009 14:08:49 +0200
  • Delivery-date: Thu, 06 Aug 2009 05:09:32 -0700
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This isn't really specific to xen I think.
If it is, please clarify...

I'd google for generate entroy
My first result would then be

Wit a little aditional googling I found
Meaning I need 

These should at least help you in your search.
Also, consider different 'random' sources for random data, user
requests, disk activity, sound, video, memory access, what not
Still, do you really need truly random data or is it more of a
perfectionist's desire?
Since semi-random is very random as well, | know I couldn't create
anything in /dev/urandam.
For what purpose exactly do you need the randomness?



Serge Fonville

On Thu, Aug 6, 2009 at 1:50 PM, ml ml<mliebherr99@xxxxxxxxxxxxxx> wrote:
> Hello list,
> i am running out of random rumbers in my DomU. I check it with: cat
> /proc/sys/kernel/random/entropy_avail
> After installting rng-tools and using /dev/urandom as a source, it
> fixed the problem temporarily. But from now to then i sometime have
> only 100 - 200 numbers.
> I monitor /proc/sys/kernel/random/entropy_avail using nagios and munin.
> Any ideas how i can get more random numbers?
> Cheers,
> Mario
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