-Djava.security.egd=file:///dev/urandom switch

-Djava.security.egd=file:/dev/./urandom

securerandom.source=file:/dev/./urandom

SSLRandomSeed startup file:/dev/urandom 512
SSLRandomSeed connect file:/dev/urandom 512

TLSRandFile /dev/urandom

tls_random_source = dev:/dev/urandom

sudo postconf -e 'tls_random_source = dev:/dev/urandom'

rm /dev/random
mknod /dev/random c 1 9

session.entropy_file = /dev/urandom