Install rabbitmq plugins (e.g. management plugin) on Ubuntu 12.04

If you want to install rabbitmq plugins on Ubuntu 12.04 you can do this with:

Copy/usr/lib/rabbitmq/lib/rabbitmq_server-2.7.1/sbin/rabbitmq-plugins

This binary is not in your default $PATH. Beause of this you have to give the full path.