Datacenter build and management service
https://github.com/joyent/conch-api/blob/master/lib/Conch/Command/passwd.pm
bin/conch passwd [--id <user_id>] [--email <email>] [--password <password>]
--id The user's id.
--email The user's email address. required, if id is not provided.
--password The user's new password. If not provided, one will be randomly generated and echoed.
--help print usage message and exit
Copyright Joyent, Inc.
This Source Code Form is subject to the terms of the Mozilla Public License, v.2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.