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Puppet Essentials by Felix Frank

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Chapter 2. The Master and Its Agents

So far, you have dealt with some concise Puppet manifests that were built to model some very specific goals. By means of the puppet apply command, you can use such snippets on any machine in your infrastructure. This is not the most common way of using Puppet, though, and this chapter will introduce you to the popular master/agent structure. It's worth noting, however, that applying standalone manifests can always be useful, independent of your overall Puppet design.

Under the master/agent paradigm, you will typically install the Puppet agent software on all nodes under your care and make them call in to the master, which is yet another Puppet installation. The master will compile appropriate manifests and effectively ...

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