Just to clarify a little, I had to place the short hostname on localhost and not the FQDN in /etc/hosts to get rabbitmq to start up.
My entry looks something like this: 127.0.0.1 localhost servername servername.example.com -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/653405 Title: rabbitmq-server fails to start if hostname is unresolvable or has changed since first starting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/653405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs