> One is idemopotency - The fact that it is not easy to run the above script on a bunch of host just to 'fix up' a config that was somehow broken or to add or a

> One is idemopotency - The fact that it is not easy to run the above script on a bunch of host just to 'fix up' a config that was somehow broken or to add or amend a directive in httpd.conf type of thing In my case, I simply overwrite all config files and restart all services. This is not "efficient" (but still sub-second), but I believe this is idempotent by all means.