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Extending Puppet - Second Edition by Jaime Soriano Pastor, Alessandro Franceschi

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Installing and configuring Puppet

Puppet uses a client-server paradigm. Clients (also called agents) are installed on all the systems to be managed, and the server(s) (also called Master) is installed on a central machine(s) from where we control the whole infrastructure.

We can find Puppet's packages on most recent OS, either in the default repositories or in other ones maintained by the distribution or its community (for example, EPEL for Red Hat derivatives).

Starting with Puppet version 4.0, Puppet Labs introduced Puppet Collections. These collections are repositories containing packages that can be used between them. When using collections, all nodes in the infrastructure should be using the same one. As a general rule, Puppet agents are compatible ...

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