Version:
> sudo rabbitmqctl status | grep '{rabbit,"RabbitMQ",'
{rabbit,"RabbitMQ","3.5.6"},
Error:
> sudo rabbitmq-plugins enable rabbitmq_management
Plugin configuration unchanged.
Applying plugin configuration to rabbit@ip-172-31-26-169... failed.
* Could not contact node rabbit@ip-172-31-26-169.
Changes will take effect at broker restart.
* Options: --online - fail if broker cannot be contacted.
--offline - do not try to contact broker.
Rabbit is running:
> sudo service rabbitmq-server status
Status of node 'rabbit@ip-172-31-26-169' ...
[{pid,22865},
..