add a checklist

howto/retire-a-host.md

@@ -236,3 +236,16 @@ of an emergency:
 
 TODO: remove the client from the Bacula catalog, see <https://bugs.torproject.org/30880>.
 
+Equivalent retirement checklist to copy-paste in retirement tickets:
+
+ 1. [ ] announcement (checked in with @jnewsome on IRC quickly)
+ 2. [ ] nagios
+ 3. [ ] stop the VM in advance:
+ 4. [ ] retire the host in fabric
+ 5. [ ] remove from LDAP with `ldapvi`
+ 6. [ ] power-grep
+ 7. [ ] remove from tor-passwords
+ 8. [ ] remove from DNSwl
+ 9. [ ] remove from docs
+ 10. [ ] remove from racks
+ 11. [ ] remove from reverse DNS