Re: lack of entropy

["Uwe A. P. Würdinger" <wuerdinger@highspeed-firewall.de>]

Marek Podmaka schrieb:
> Hello all,
>
>   I have installed new HP ML150 G3, with 2.6.18.2 kernel. The problem
>   is that I have very few entropy available (less than 200 as reported
>   by /proc/sys/kernel/random/entropy_avail). This causes performance
>   issues - apache can't handle more requests, although no data is
>   being read from disk (all cached, only log files are being written)
>   as CPU is utilized only to about 30%.
>
>   Did you also have this problem? How did you solve it? Unfortunately
>   this motherboard (Intel 5000V) does not have a HW random generator
>   (I tried the kernel modules). I'm starting to think about adding
>   some old PCI Soundblaster to the server and using Audio Entropy
>   Daemon (http://www.vanheusden.com/aed/). Any other (cheap) ideas?
>
>       thanks
>
>   

apt-get install rng-tools
echo 'RNGDOPTIONS="-b -r /dev/urandom"' >> /etc/default/rng-tools
/etc/init.d/rng-tools start


greets Uwe
--
Uwe Ap. P. Würdinger
IT Security Engineer
X-tec GmbH
http://www.x-tec.de