After installing Puppet on your system, you can use it by writing and applying manifests. These are programs that are written in Puppet's DSL. Even though they resemble scripts, they should not be considered as such. For one thing, they consist of resources instead of commands. These resources are generally not evaluated in the order in which they have been written. An explicit ordering should be defined through the
before metaparameters instead.
Each resource has a number of attributes: parameters and properties. Each property is evaluated in its own right; Puppet detects whether a change to the system is necessary to get any property into the state that is defined in the manifest. It will also perform such changes. This is ...