If you have a brand new 2.7.x instance installed, turn on the plug-in with:
service rabbitmq-server stopWhen you performed the rabbitmq-plugins command you should have seen the following output:
rabbitmq-plugins enable rabbitmq_management
service rabbitmq-server restart
The following plugins have been enabled:You management interface at TCP/55672 should be available. The initial login and password are "guest" and "guest". You want to change those.