命令行下创建随机密码

create_random_strong_password.sh

#!/bin/sh

LENGTH=32

# use openssl
openssl rand ${LENGTH} -base64

# use gpg
gpg --gen-random --armor 1 ${LENGTH}

# get string directly from urandom
# this approach will generate password composed of only alphabet and number.
cat /dev/urandom | strings | tr -dc A-Za-z0-9 | head -c 32; echo