Can't load /root/.rnd into RNG

在安装 openssl 证书时提示如下报错：

• Can't load /root/.rnd into RNG
• 140496635077056:error:2406F079:random number generator:RAND_load_file:Cannot open file:../crypto/rand/randfile.c:88:Filename=/root/.rnd

解决办法:

• cd /root
• openssl rand -writerand .rnd