I have written a public domain remote control tool call rctl.py that runs remote commands on one or more hosts to automate all sorts of different administration tasks. It consists of a single python script that does not require any configuration and does not require client side daemons (sometimes called minions) so no tool based client side installation is needed which makes it much simpler to setup and use compared to tools such as Puppet, Chef or salt. Of course it is not as powerful as those tools but it has met my modest needs for small networks (<100 hosts). I hope that you find it as useful as I have.
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