Reseeding the PRNG

6.10 LPAR mode z/VM guest KVM guest

You can force a reseed by writing to the reseed attribute.

Procedure

To reseed the PRNG, write an integer to its reseed attribute:
# echo 1 > /sys/devices/virtual/misc/prandom/reseed
Writing any integer value to this attribute triggers an immediate reseed of the PRNG instance.