linux random shuf Generate random value pwgen 20 -N 1 eSie9theughahkaezaa4 mktemp -u XXXXXXXXXX IdkNcgXGUc head -c 10 < /dev/urandom | xxd -p -c 10 d3e10200aaefc0f3da7e shuf -ez -n20 {A..Z} {a..z} {0..9} 54IHmf8pZSKnbdE7jU13 htpasswd