Generate a Random Password

gistfile1.txt

$ date +%s | sha256sum | base64 | head -c 32 ; echo
$ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-32};echo;
$ openssl rand -base64 32
$ tr -cd '[:alnum:]' < /dev/urandom | fold -w30 | head -n1
$ strings /dev/urandom | grep -o '[[:alnum:]]' | head -n 30 | tr -d '\n'; echo
$ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c6
$ dd if=/dev/urandom bs=1 count=32 2>/dev/null | base64 -w 0 | rev | cut -b 2- | rev
$ </dev/urandom tr -dc '12345!@#$%qwertQWERTasdfgASDFGzxcvbZXCVB' | head -c8; echo ""
$ randpw(){ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16};echo;}
$ date | md5sum
$ openssl genrsa -des3 -out private.pem 2048
$ openssl rsa -in private.pem -outform PEM -pubout -out public.pem