#!/bin/bash
# http://www.howtogeek.com/howto/30184/10-ways-to-generate-a-random-password-from-the-command-line/
# openssl rand -base64 32
tr -cd '[:alnum:]' < /dev/urandom | fold -w30 | head -n1

# also check the random left-hand password!
# </dev/urandom tr -dc '12345!@#$%qwertQWERTasdfgASDFGzxcvbZXCVB' | head -c8; echo ""