howto/upgrades.md

@@ -387,6 +387,10 @@ In this case, the faster way to run reboots is to reboot ganeti nodes with all
 of their contained instances in order to clear out reboots for many servers at
 once, then reboot the hosts that are not in ganeti.
 
+Note that to make the reboots run more smoothly, you can temporarily modify your
+[yubikey touch policy](howto/yubikey#touch-policy) to remove the need to always
+confirm by touching the key.
+
 ### Rebooting Ganeti nodes
 
 See the [Ganeti reboot procedures](howto/ganeti#rebooting) for this procedure.