* Remove any references from puppet configuration
* Remove references to the host from DNS files, including reverse DNS
* Get rid of the HW (tell the hoster to get rid of it or other as appropriate)
+ * Remove MQ queues related to machine (see [[doc/mq]] for details)
+ for queue in $(rabbitmqadmin -N rainier list queues name | grep unger.debian.org | awk '{print $2}') ; do rabbitmqadmin -N rainier -V dsa delete queue name=$queue; done
Three months after decomissioning: