Write up initial decomissioning howto

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+# Decomissioning hosts
+
+ * Get rid of any services running on the host.
+ * Optional, shut down the machine, then wait a month
+ * Zero disks
+ * Revoke puppet certificate
+ * Remove from LDAP
+ * Remove from Nagios
+ * Remove any references from puppet configuration
+ * Remove references to the host from DNS files, including reverse DNS
+
+Three months after decomissioning:
+
+ * Remove backups
+ * 

diff --git a/input/index.mdwn b/input/index.mdwn
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 * [[howto/dns]]
 * [[howto/new-machine]]: How to setup and integrate machines into debian.org's infrastructure.
+* [[howto/decomission]]: How to decomission a machine
 * [[howto/puppet-setup]]
 * [[howto/upgrade-to-lenny]]
 * [[howto/upgrade-to-squeeze]]