title: Unable to start rabbitmq-server after enabling rabbitmq-management
body: <p>I've installed Erlang and rabbitmq. After that started the service</p>
  
  <p><code>$ sudo systemctl start rabbitmq-server
   $ systemctl status rabbitmq-server
  ● rabbitmq-server.service - RabbitMQ broker
     Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; disabled; vendor preset: disabled)
     Active: active (running) since Fri 2018-10-19 10:50:10 CEST; 13s ago
   Main PID: 46976 (beam.smp)
     CGroup: /system.slice/rabbitmq-server.service
             ├─46976 /usr/lib64/erlang/erts-5.10.4/bin/beam.smp -W w -K true -A30 -P 1048576 -- -root /usr/li...
             ├─47073 inet_gethost 4
             └─47075 inet_gethost 4</code></p>
  
  <p>Then I enabled rabbitmq-management, and changed ownership</p>
  
  <p><code>$ sudo rabbitmq-plugins enable rabbitmq_management
  The following plugins have been enabled:
    mochiweb
    webmachine
    rabbitmq_web_dispatch
    amqp_client
    rabbitmq_management_agent
    rabbitmq_management
  Plugin configuration has changed. Restart RabbitMQ for changes to take effect.
   $ sudo chown -R rabbitmq:rabbitmq /var/lib/rabbitmq/
  </code>
  Than created user, tag him and set permissions</p>
  
  <p><code>$ sudo rabbitmqctl add_user admin password!
  Creating user "admin" ...
  ...done.
  $ sudo rabbitmqctl set_user_tags admin administrator
  Setting tags for user "admin" to [administrator] ...
  ...done.
  $ sudo rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"
  Setting permissions for user "admin" in vhost "/" ...
  ...done.</code></p>
  
  <p>And bad happend there, I'm not able to restart the rabbitmq anyhow</p>
  
  <p><code>
  $ sudo systemctl status rabbitmq-server.service
  ● rabbitmq-server.service - RabbitMQ broker
     Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; disabled; vendor preset: disabled)
     Active: failed (Result: exit-code) since Fri 2018-10-19 10:55:23 CEST; 17s ago
    Process: 59210 ExecStop=/usr/lib/rabbitmq/bin/rabbitmqctl stop (code=exited, status=2)
    Process: 59024 ExecStart=/usr/lib/rabbitmq/bin/rabbitmq-server (code=exited, status=1/FAILURE)
   Main PID: 59024 (code=exited, status=1/FAILURE)
  Oct 19 10:55:23 XEMDUB07APXD080 systemd[1]: rabbitmq-server.service: main process exited, code=exited, ...LURE
  Oct 19 10:55:23 XEMDUB07APXD080 rabbitmqctl[59210]: Stopping and halting node rabbit@XEMDUB07APXD080 ...
  Oct 19 10:55:23 XEMDUB07APXD080 rabbitmqctl[59210]: Error: unable to connect to node rabbit@XEMDUB07APXD...own
  Oct 19 10:55:23 XEMDUB07APXD080 rabbitmqctl[59210]: DIAGNOSTICS
  Oct 19 10:55:23 XEMDUB07APXD080 rabbitmqctl[59210]: ===========
  Oct 19 10:55:23 XEMDUB07APXD080 rabbitmqctl[59210]: attempted to contact: [rabbit@XEMDUB07APXD080]
  Oct 19 10:55:23 XEMDUB07APXD080 systemd[1]: rabbitmq-server.service: control process exited, code=exite...us=2
  Oct 19 10:55:23 XEMDUB07APXD080 systemd[1]: Failed to start RabbitMQ broker.
  Oct 19 10:55:23 XEMDUB07APXD080 systemd[1]: Unit rabbitmq-server.service entered failed state.
  Oct 19 10:55:23 XEMDUB07APXD080 systemd[1]: rabbitmq-server.service failed.
  Hint: Some lines were ellipsized, use -l to show in full.
  lskdlskdlskd
  </code></p>
  
  <p>What should I do to get rabbitmq start again?
  Thanks</p>