[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=pBLQ7WLiFrxTg5009Du4HgIRRR4w5uxlmjAk4s4cXKBXsjCNR2fGPfCNtEtBdsSPcY T8OGy72B4p1iny5ivEj9W+/WoEqgzeVyT0W+XfFIFcQLp1yQvxdbTjMOvne/HCdKmlNQ rUMCo65b7DHWazs4yovrVD0fcyiuZRtBH4miQ=
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi,

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
http://www.linuxquestions.org/questions/linux-security-4/entropy-generator-in-debian-4.0r1-600031/

Wit a little aditional googling I found
http://www.linuxfromscratch.org/pipermail/hints/2005-April/002862.html
Meaning I need 
http://www.linuxfromscratch.org/hints/downloads/files/ATTACHMENTS/entropy/?C=S;O=A

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?

HTH

Regards,

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
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.