Extending Cookbooks

Learn how to extend your Chef cookbooks.

1 day

What you will learn in this training

Extending cookbooks takes you beyond the core functionality of cookbooks. You’ll learn how to create custom resources and Ohai plugins.

With them, you can build any custom tools you need to configure your own infrastructure. At the end of this training, you’ll be ready for the unique challenges you face when managing your network.

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Course content summary

Day 1:

  • Approaches to extending resources
  • Why use custom resources?
  • Creating a custom resource
  • Refining a custom resource
  • Ohai
  • Ohai plugins
  • Creating an Ohai plugin
  • Tuning Ohai


This training is designed for:

  • System- and Cloud-Administrators interested in extending the capabilities of Chef



To get the most out of the training we recommend following prerequisites:

  • Linux systems on your computer
  • Knowledge of working with the shell
  • Ruby experience
  • Chef Essentials

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