With Security ON by default project where the `elastic` user
password is auto-generated, we have decided to deprecate the
setup-passwords tool and consider removing it in a future version.
Users will get a password for the `elastic` built-in user when the
node starts for the first time and they can also use the newly
introduced elastisearch-reset-elastic-password tool to set or
reset that password. With credentials for the elastic user
available, the password for the rest of the built-in users can be
set using the Change Password API, or via Kibana.
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