https://www.fosslinux.com/6339/how-to-install-rabbitmq-server-on-ubuntu-18-04-lts.htm
$ sudo rabbitmqctl stop_app
$ sudo rabbitmqctl reset
$ sudo rabbitmqctl start_app
$ sudo rabbitmqctl add_user test test
$ sudo rabbitmqctl set_user_tags test administrator
$ sudo rabbitmqctl set_permissions -p / test "." "."