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  • Book Overview & Buying Configuration Management with Chef-Solo
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Configuration Management with Chef-Solo

Configuration Management with Chef-Solo

By : Rahman
2 (1)
Buy this Book
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Configuration Management with Chef-Solo

Configuration Management with Chef-Solo

2 (1)
By: Rahman
Buy this Book

Overview of this book

This is a step-by-step guide, full of hands-on examples of real-world deployment tasks. Each topic is explained and placed in context, while also pointing out the key details of the concepts used. This book is aimed at system administrators and system engineers who have an understanding of configuration management tools and infrastructure. For novice administrators, it contains easy-to-use application recipes to get started immediately.
Table of Contents (8 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Introduction to Chef and Chef-Solo
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1. Introduction to Chef and Chef-Solo
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Getting started with Chef
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Understanding Chef-Solo
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Terminologies
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Different use cases
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An overview of Chef
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Summary
2
2. Setting Up an Environment for Chef-Solo
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2. Setting Up an Environment for Chef-Solo
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Installation on Linux and Ubuntu
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Prerequisites of Chef-Solo
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Cookbooks
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Downloading recipes
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Chef-Solo configuration
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Summary
3
3. Setting Up a Development Environment
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3. Setting Up a Development Environment
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Introducing virtual machine
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Executing recipes with Vagrant
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Creating a Hello World recipe
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Summary
4
4. Developing Cookbooks
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4. Developing Cookbooks
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Exploring Knife
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Developing recipes and cookbooks
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Berkshelf
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Understanding recipes
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Resources
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Attributes
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Metadata
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Summary
5
5. More about Cookbooks and Recipes
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5. More about Cookbooks and Recipes
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Using files
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Exploring templates
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Data bags
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Roles
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Restarting services and server handling
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Summary
6
6. Chef-Solo and Docker
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6. Chef-Solo and Docker
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Docker
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Installing Docker
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The working of Docker
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Dockerfiles
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Recommended ways to use Chef-Solo
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Chef server
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Summary
7
Index
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Index

Exploring templates

A template is an Embedded Ruby (ERB) file that is used to create configuration files based on variables and logic defined by a cookbook. A template can contain mixed Ruby code or expressions; it provides a great way to manage configuration files on any node.

Templates are used with a template resource, and each resource includes actions, attributes, and file sources. Template resources are very close to file resources; the only difference is that templates are based on Ruby code, and on the other hand, file resources are used to copy files to a particular location.

Templates should have the following two components:

  • A template resource, which instructs the chef-client to perform any action
  • A template file in the templates folder

The folder structure of cookbook templates will look similar to the following:

  • default
  • ubuntu-12.04
  • ubuntu-14.04

If we notice our cookbooks directory, we will see that the templates folder is already created by Knife. Let's complete our recipe and...

CONTINUE READING
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Configuration Management with Chef-Solo
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