[rabbitmq-discuss] RabbitMQ Completely Unusable

[SixDegrees]

I had Celery/RabbitMQ running perfectly on Friday. After a reboot, none of
the rabbitmqctl commands work; they all return the message:

Status of node rabbit at basalt ...
Error: unable to connect to node rabbit at basalt: nodedown
diagnostics:
- nodes and their ports on basalt: [{rabbitmqctl4119,39973}]
- current node: rabbitmqctl4119 at basalt
- current node home dir: /var/lib/rabbitmq
- current node cookie hash: 21qdNRGvqYUEWK3+aXB7wA==

The port and nodename suffix are different each time, and the cookie hash
does not correspond to the one in /var/lib/rabbitmq/.erlang.cookie, nor can
I find any other instance of the cookie file on the machine. Hostname
'basalt' is listed in /etc/hosts under '127.0.0.1  basalt'; this has not
been changed since Friday.

I have tried starting rabbitmq-server at runtime as a service; and at the
command line with no arguments and with the '-detached' argument, all with
similar results.

What do I have to do to recover my previously working system? Failing that,
what do I have to delete to get RabbitMQ back to a working, uninitialized
state?
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