Puppet? What is it? If you are a system administrator or a DevOps Engineer and you have been maintaining hundreds or thousands of server, you must know the pain of maintaining a consistent configuration on each of the system. An easy way to do that is to maintain a checklist and whenever a server is setup, ensure that every point in the checklist is ticked. But, whenever there is a minor change to be made in the configuration on every server, it becomes a pain in the butts. Go to every server, edit the file, add the line, save the
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