Defining global variables

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Ansible allows you to define variables on a per-host and per-group basis.

Because ansible has the special all group that all hosts are automatically a part of, you can create an <INVENTORY_FILE_LOCATION>/group_vars/all file and populate it with variables. These variables will be accessible in all of your plays.

This saves you the trouble of explicitly defining a vars_files entry to include the global variable file in all of your plays.

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