* Get rid of any services running on the host.
* Optional, shut down the machine, then wait a month
* Zero disks
+
+ badblocks -v -s -p 5 -w -f /dev/sda
+
* Revoke puppet certificate
+
+ on handel: puppetca clean $HOST
+
* Remove from LDAP
* Remove from Nagios
* 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)
Three months after decomissioning: