/usr/bin/slappasswd: invalid option -- '-'
Usage: slappasswd [options]
  -c format	crypt(3) salt format
  -g		generate random password
  -h hash	password scheme
  -n		omit trailing newline
  -o <opt>[=val] specify an option with a(n optional) value
  	module-path=<pathspec>
  	module-load=<filename>
  -s secret	new password
  -u		generate RFC2307 values (default)
  -v		increase verbosity
  -T file	read file for new password