[rhelv6-list] Random seed on stateless system

[Leon Fauster]

Am 26.02.2015 um 21:31 schrieb Andrew Ruch <adruch2002 at gmail.com>:
> Hello,
> 
> I have a question about how the handle the random-seed file on a
> stateless system. I get RHEL6 installed and configured as desired and
> then switch to a stateless system using /etc/sysconfig/readonly-root.
> During the install process, /var/lib/random-seed is generated. This
> file is also read and written to during startup/shutdown via
> rc.sysinit and halt.
> 
> However, once the system is stateless, this file can never be modified
> again. Is it better for this file to exist on a stateless system and
> every boot will feed /dev/urandom the same seed? Or should this file
> be deleted so no seed exists?



prng means pseudo random number generator - the seed helps to 
get started with higher entropy. If you have a hrng (hardware) 
then the seed is less important.

--
LF