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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

Roles

The term "role" is used to define certain patterns and processes of configuration on a single or several nodes. Imagine that if your application has high traffic and one server is not able to handle all requests, you might need another server to handle requests. You need Apache (or any other web server) across all nodes. In this case, you can create the role name Web Server, and it contains the run list of the Apache server with site configurations. Roles are defined in the same way as the normal recipes with run_list. Similarly, we can create a database role to set up a database server.

Tip

Note that the use of roles with the Chef server is controversial. It's fine to use them with Chef-Solo.

Let's have a look at some real-world examples.

Now, we will create a cookbook to set up a Python/Django app with Nginx and uWSGI. We will not explain each bit of code as we did in the previous example, assuming that now we have an understanding of the recipe structure and the important code blocks...

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Configuration Management with Chef-Solo
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