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Book Ansible Linux Filesystem By Examples

Download or read book Ansible Linux Filesystem By Examples written by Luca Berton and published by Luca Berton. This book was released on 2022 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is an Open Source IT automation tool. This book contains all of the obvious and not-so-obvious best practices of Ansible automation. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. You are going to start with basic concepts and the installation of Ansible in Enterprise Linux and Community Linux using the most command package manager and archives. Each of the 40+ lessons summarizes a specific scenario about files and directories management: creating an empty file, creating a text file, assigning permission to users and groups, renaming files and directory, removing the files and directory, or copying between local and remote and vice-versa. Another useful administrator tool is to assign permission to files or directories as needed. Included extraction of a compressed zip file or tarball with the most common gzips and bzip2 UNIX formats. Moreover, that is a lesson about file download from a URL and verifying the genuinity with the checksum. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible For Linux by Examples

Download or read book Ansible For Linux by Examples written by Luca Berton and published by Luca Berton. This book was released on 2022-03-11 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is an Open Source IT automation tool. This book contains all of the obvious and not-so-obvious best practices of Ansible automation. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. You are going to start with the installation of Ansible in Enterprise and Community Linux using the most command package manager and archives. Each of the 200+ lessons summarizes a module: from the most important parameter to some Ansible code and real-life usage. Each code is battle proved in the real life. Simplifying mundane activities like creating a text file, extracting and archiving, fetching a repository using HTTPS or SSH connections could be automated with some lines of code and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Linux systems, some specific for RedHat-like, Debian-like, and Suse-like. The 20+ Ansible troubleshooting lesson teaches you how to read the error message, how to reproduce, and the process of troubleshooting and resolution. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible by Examples

    Book Details:
  • Author : Luca Berton
  • Publisher : Luca Berton
  • Release : 2022-01-31
  • ISBN : 8011010298
  • Pages : 1030 pages

Download or read book Ansible by Examples written by Luca Berton and published by Luca Berton. This book was released on 2022-01-31 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is an Open Source IT automation tool. This book contains all of the obvious and not-so-obvious best practices of Ansible automation. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. You are going to start with the installation of Ansible in Enterprise Linux, Community Linux, Windows, and macOS using the most command package manager and archives. Each of the 200+ lessons summarizes a module: from the most important parameter to some Ansible code and real-life usage. Each code is battle proved in the real life. Simplifying mundane activities like creating a text file, extracting and archiving, fetching a repository using HTTPS or SSH connections could be automated with some lines of code and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Linux systems, some specific for RedHat-like, Debian-like, and Windows systems. The 20+ Ansible troubleshooting lesson teaches you how to read the error message, how to reproduce, and the process of troubleshooting and resolution. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible For Security by Examples

Download or read book Ansible For Security by Examples written by Luca Berton and published by Luca Berton. This book was released on 2022-03-14 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is an Open Source IT automation tool. This book contains all of the obvious and not-so-obvious best practices of Ansible automation for Security and Compliance. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. You are going to start with the installation of Ansible in Enterprise Linux, Community Linux, Windows, and macOS using the most command package manager and archives. Each of the 100+ lessons summarizes a module: from the most important parameter to some Ansible code and real-life usage. Each code is battle proved in the real life. Simplifying mundane activities like creating a text file, extracting and archiving, fetching a repository using HTTPS or SSH connections could be automated with some lines of code and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Linux systems, some specific for RedHat-like, Debian-like, and Windows systems. The 20+ Ansible troubleshooting lesson teaches you how to read the error message, how to reproduce, and the process of troubleshooting and resolution. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible Linux Users   Groups By Examples

Download or read book Ansible Linux Users Groups By Examples written by Luca Berton and published by Luca Berton. This book was released on with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn the Ansible automation technology with some real-life examples. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. I'm going to teach you example by example how to manage users and groups in Linux and macOS operation systems are the most common System Administrator tasks. Each of the 20+ lessons summarizes a specific scenario about user and groups management: creating a user, creating a new pair of a suitable SSH key and a home directory, changing a password and specifying the encryption cipher, removing the home directory and the mailbox, or assigning a special `nologin` shell for temporarily disabled users. Another user scenario that happens very often is when you need only to temporarily disable and enable a user. Another useful administrator tool is group management to assign permission to resources to a bunch of users. You could easily customize the example code with your username and use it in your everyday journey without any additional effort. There are some Ansible codes usable in all the Linux systems, battle-tested for RedHat-like and Debian-like systems. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible For PostgreSQL by Examples

Download or read book Ansible For PostgreSQL by Examples written by Luca Berton and published by Luca Berton. This book was released on with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn the Ansible automation technology with some real-life examples. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. I'm going to teach you example by example how to accomplish the most common Dabatse Administrator tasks. Each of the lessons summarizes a module: from the most important parameter to some live demo of code and real-life usage. Each code is battle proved in the real life. Console interaction and verification are included in every lesson. Mundane activities like installing the database management system in Red Hat (Red Hat Enterprise Linux, CentOS, Amazon Linux, AlmaLinux, Rocky Linux, etc.) and Debian (Ubuntu, Scientific Linux) like systems, creating a database file, creating a user, granting the permission to a user to connect to the database, backup ad restore a single database could be automated with some lines of code and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Linux systems, some specific for RedHat-like, Debian-like systems. The Ansible troubleshooting lesson teaches you how to read the error message, how to reproduce it, and the process of troubleshooting and resolution. Are you ready to automate your day with Ansible? Examples in the book are tested with the latest version of Ansible 2.9+ and Ansible Core 2.11+.

Book Ansible For Windows By Examples

Download or read book Ansible For Windows By Examples written by Luca Berton and published by Luca Berton. This book was released on 2022-03-11 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is a popular open-source IT automation technology for scripting applications in a wide variety of domains. It is free, portable, powerful, and remarkably easy and fun to use. This book is a tool to learn the Ansible automation technology with some real-life examples. Whenever you are new to automation or a professional automation engineer, this book's goal is to bring you quickly up to speed on the fundamentals of the core Ansible language. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. I'm going to teach you example by example how to accomplish the most common System Administrator tasks. You are going to start with the installation of Ansible in Windows 10 and Windows 11 and use the most command package manager and archives. Each of the 50+ lessons summarizes a module: from the most important parameter to some live demo of code and real-life usage. Each code is battle proved in the real life. Console interaction and verification are included in every video. A mundane activity like installing software, verifying a system is up-to-date, rebooting a server, installing Google Chrome, copying files from the local controller to a remote system, could be automated with some lines of code and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Windows systems and some specific for Windows Server. The Ansible troubleshooting lessons teach you how to read the error message, how to reproduce, and the process of troubleshooting and resolution. Are you ready to automate your day with Ansible?

Book Ansible Tips and Tricks

Download or read book Ansible Tips and Tricks written by Luca Berton and published by Luca Berton. This book was released on 2022 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn the Ansible automation technology with some real-life examples. Every successful IT department needs automation nowadays for bare metal servers, virtual machines, could, containers, and edge computing. Automate your IT journey with Ansible automation technology. I'm going to teach you example by example how to accomplish the most common System Administrator tasks. Each of the 10+ lessons summarizes a real-life scenario and the most important module description and the most important parameter to succeed in your journey. Moreover, each code is battle proved in the real life. Console interaction and verification are included in every video. A mundane activity like printing a text/variable during execution, Pause execution, How to Pass Variables to Ansible Playbook in the command line, breaking a string over multiple lines, Ansible ansible_hostname vs inventory_hostname, setting remote environment per task or play, executing a command on the Ansible localhost, three options to Safely Limit Ansible Playbooks Execution to a Single Machine, command vs shell modules, write a Variable to a File and these are only some of the long lists included in the course. There are some Ansible codes usable in all the Linux systems. Are you ready to automate your day with Ansible to the next level?

Book Hands On Enterprise Automation on Linux

Download or read book Hands On Enterprise Automation on Linux written by James Freeman and published by Packt Publishing Ltd. This book was released on 2020-01-24 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Achieve enterprise automation in your Linux environment with this comprehensive guide Key FeaturesAutomate your Linux infrastructure with the help of practical use cases and real-world scenariosLearn to plan, build, manage, and customize OS releases in your environmentEnhance the scalability and efficiency of your infrastructure with advanced Linux system administration conceptsBook Description Automation is paramount if you want to run Linux in your enterprise effectively. It helps you minimize costs by reducing manual operations, ensuring compliance across data centers, and accelerating deployments for your cloud infrastructures. Complete with detailed explanations, practical examples, and self-assessment questions, this book will teach you how to manage your Linux estate and leverage Ansible to achieve effective levels of automation. You'll learn important concepts on standard operating environments that lend themselves to automation, and then build on this knowledge by applying Ansible to achieve standardization throughout your Linux environments. By the end of this Linux automation book, you'll be able to build, deploy, and manage an entire estate of Linux servers with higher reliability and lower overheads than ever before. What you will learnPerform large-scale automation of Linux environments in an enterpriseOvercome the common challenges and pitfalls of extensive automationDefine the business processes needed to support a large-scale Linux environmentGet well-versed with the most effective and reliable patch management strategiesAutomate a range of tasks from simple user account changes to complex security policy enforcementLearn best practices and procedures to make your Linux environment automatableWho this book is for This book is for anyone who has a Linux environment to design, implement, and maintain. Open source professionals including infrastructure architects and system administrators will find this book useful. You’re expected to have experience in implementing and maintaining Linux servers along with knowledge of building, patching, and maintaining server infrastructure. Although not necessary, knowledge of Ansible or other automation technologies will be beneficial.

Book Ansible Automation Platform By Examples

Download or read book Ansible Automation Platform By Examples written by Luca Berton and published by Luca Berton. This book was released on with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn the Red Hat Ansible Automation Platform with some real-life examples. As an expert in Ansible automation with over a decade of experience, I can confidently say that the Ansible Automation Platform is an excellent solution for automating IT infrastructure management. The installation process is straightforward and requires key steps to ensure successful implementation. The first step in installing the Ansible Automation Platform is setting up the necessary dependencies, which include installing Python and its related libraries. These dependencies are essential to the proper functioning of the platform, and it is crucial to ensure that they are installed correctly. Next, the Ansible Automation Platform packages are installed, which include the control node, the managed node, and the web-based interface. The control node executes Ansible playbooks, while the managed nodes are Ansible-managed systems. The web-based interface provides a user-friendly interface for managing Ansible operations. It is essential to ensure that the control node and managed nodes are correctly configured to prevent any operational issues. This includes setting up access control and security measures to protect sensitive information. One of the key benefits of the Ansible Automation Platform is its compatibility with various operating systems, including Linux, macOS, and Windows. This allows for greater flexibility in deployment and ensures that the platform can be implemented in virtually any environment. In conclusion, installing the Ansible Automation Platform is a critical step in automating IT infrastructure management. By following the proper installation procedures and configuring the platform to meet the organization's specific needs, the Ansible Automation Platform can greatly enhance productivity and streamline IT operations.

Book Mastering Ansible

    Book Details:
  • Author : James Freeman
  • Publisher : Packt Publishing Ltd
  • Release : 2021-12-09
  • ISBN : 1801813078
  • Pages : 540 pages

Download or read book Mastering Ansible written by James Freeman and published by Packt Publishing Ltd. This book was released on 2021-12-09 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design, develop, and solve real-world automation and orchestration problems by unlocking Ansible's automation capabilities Key FeaturesCompletely revised and updated for Ansible 4.0 and beyondTackle complex automation challenges with the newly added features in AnsibleLearn about the rapidly expanding field of network automation using Ansible, with the help of practical examples for configuring network devicesBook Description Ansible is a modern, YAML-based automation tool (built on top of Python, one of the world's most popular programming languages) with a massive and ever-growing user base. Its popularity and Python underpinnings make it essential learning for all in the DevOps space. This fourth edition of Mastering Ansible provides complete coverage of Ansible automation, from the design and architecture of the tool and basic automation with playbooks to writing and debugging your own Python-based extensions. You'll learn how to build automation workflows with Ansible's extensive built-in library of collections, modules, and plugins. You'll then look at extending the modules and plugins with Python-based code and even build your own collections — ultimately learning how to give back to the Ansible community. By the end of this Ansible book, you'll be confident in all aspects of Ansible automation, from the fundamentals of playbook design to getting under the hood and extending and adapting Ansible to solve new automation challenges. What you will learnGain an in-depth understanding of how Ansible works under the hoodGet to grips with Ansible collections and how they are changing and shaping the future of AnsibleFully automate the Ansible playbook executions with encrypted dataUse blocks to construct failure recovery or cleanupExplore the playbook debugger and Ansible consoleTroubleshoot unexpected behavior effectivelyWork with cloud infrastructure providers and container systemsWho this book is for If you are an Ansible developer or operator who has a detailed understanding of its core elements and applications but are now looking to enhance your skills in applying automation using Ansible, this book is for you. Prior experience working with core system administration tasks on Linux and basic familiarity with concepts such as cloud computing, containers, network devices, and fundamentals of a high-level programming language will help you make the most of this book.

Book Red Hat Ansible Automation Platform

Download or read book Red Hat Ansible Automation Platform written by Luca Berton and published by BPB Publications. This book was released on 2023-12-29 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get enterprise framework for building and operating IT automation at scale, from networking to operations KEY FEATURES ● Efficient application deployment using Ansible playbooks, content creation, and containerized workflows. ● Use Hybrid cloud environments with Kubernetes for scalable containerized applications. ● Get Architectural insight into Ansible Automation Platform. ● Dashboard management with Ansible Tower dashboard for efficient platform administration. DESCRIPTION This book equips you to revolutionize operations across Cloud Infrastructure, Applications, Networks, Containers, and Security. From foundational concepts to advanced strategies, the readers will navigate Ansible Automation intricacies, covering architecture, syntax, and installation scenarios, including single-machine setups and high-availability clusters. Authentication mastery encompasses Role-Based Access Controls (RBAC) and external authentication, ensuring a secure user management foundation. System administration intricacies, such as metrics, logging, performance monitoring, and backup strategies, are explored, providing readers with holistic insights. Application deployment takes center stage in this book, emphasizing creating Ansible playbooks and content, automating deployment processes, and managing container applications. The book explores hybrid cloud environments, integrating Ansible with Kubernetes to manage applications across major cloud providers. The concluding chapter encapsulates key learnings, offering a reflective mastery of the Ansible Automation Platform. This guide provides practical skills for designing, deploying, and orchestrating end-to-end automation. WHAT YOU WILL LEARN ● Automate security patching for enhanced system uptime and resilience. ● Orchestrate multi-cloud deployments with unified playbooks for consistent and efficient control. ● Apply RBAC for secure collaboration and auditable workflows. ● Integrate metrics and logs for actionable insights and optimized automation workflows. ● Implement granular user roles and permissions for access control and team collaboration. WHO THIS BOOK IS FOR This book is for IT operations teams, Automation engineers, DevOps engineers, Sysadmins, Software development teams, and cloud management teams with prior knowledge of the basics of Ansible. TABLE OF CONTENTS 1. Getting Started with the Ansible Automation Platform 2. Ansible Automation Platform Architecture 3. Platform Installation Scenarios 4. First Steps 5. Settings and Authentication 6. IT Operations 7. App Deployments 8. Hybrid Cloud and Kubernetes 9. Automate IT Processes 10. Wrap-Up

Book Ansible for VMware by Examples

Download or read book Ansible for VMware by Examples written by Luca Berton and published by Apress. This book was released on 2022-12-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to use the Ansible open source IT automation tool to automate your VMware infrastructure. This book contains all of the obvious and not-so-obvious best practices of Ansible automation. Each lesson summarizes a specific use case for the modern VMware infrastructure and is focused on a single module from the most important parameter, including live demo of code and real-life usage. You'll configure the Ansible Controller to interact with VMware infrastructure using the “community.VMware” Ansible documentation collection and the appropriate Python libraries. Next, learn how to automate the creation of a virtual machine manually and from a template, start and stop using the shutdown and forced-power off a Virtual Machine, take and delete and snapshot, add a new hard disk and expand a currently attached hard disk, as well as gather information for data centers, clusters, host systems, and virtual machines. By the end of this book, you'll be well-versed in efficiently maintaining a VMware infrastructure with Ansible Automation. You'll also be able to save time and reduce manual errors using simple human-readable automation technology. What You'll Learn Automate your VMware infrastructure using Ansible code Install Ansible in operating systems such as RedHat, Ubuntu, Fedora, etc. Write and execute your first Ansible Playbook code Troubleshoot the most common error messages Who This Book Is For IT professionals of every industry who would like a jargon-free understanding of Ansible technology, including VMware, Linux, and Windows Systems Administrators, DevOps professionals, thought leaders, and infrastructure-as-code enthusiasts.

Book Ansible

    Book Details:
  • Author : Michael Heap
  • Publisher : Apress
  • Release : 2016-09-27
  • ISBN : 1484216598
  • Pages : 182 pages

Download or read book Ansible written by Michael Heap and published by Apress. This book was released on 2016-09-27 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is your concise guide to Ansible, the simple way to automate apps and IT infrastructure. In less than 250 pages, this book takes you from knowing nothing about configuration management to understanding how to use Ansible in a professional setting. You will learn how to create an Ansible playbook to automatically set up an environment, ready to install an open source project. You’ll extract common tasks into roles that you can reuse across all your projects, and build your infrastructure on top of existing open source roles and modules that are available for you to use. You will learn to build your own modules to perform actions specific to your business. By the end you will create an entire cluster of virtualized machines, all of which have your applications and all their dependencies installed automatically. Finally, you'll test your Ansible playbooks. Ansible can do as much or as little as you want it to. Ansible: From Beginner to Pro will teach you the key skills you need to be an Ansible professional. You’ll be writing roles and modules and creating entire environments without human intervention in no time at all – add it to your library today. What You Will Learn Learn why Ansible is so popular and how to download and install it Create a playbook that automatically downloads and installs a popular open source project Use open source roles to complete common tasks, and write your own specific to your business Extend Ansible by writing your own modules Test your infrastructure using Test Kitchen and ServerSpec Who This Book Is For Developers that currently create development and production environments by hand. If you find yourself running apt-get install regularly, this book is for you. Ansible adds reproducibility and saves you time all at once. Ansible: From Beginner to Pro is great for any developer wanting to enhance their skillset and learn new tools.

Book Ansible for DevOps

    Book Details:
  • Author : Jeff Geerling
  • Publisher :
  • Release : 2020-08-05
  • ISBN : 9780986393426
  • Pages : 452 pages

Download or read book Ansible for DevOps written by Jeff Geerling and published by . This book was released on 2020-08-05 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ansible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server--or thousands.

Book Mastering Linux Administration

Download or read book Mastering Linux Administration written by Alexandru Calcatinge and published by Packt Publishing Ltd. This book was released on 2021-06-18 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develop advanced skills for working with Linux systems on-premises and in the cloud Key FeaturesBecome proficient in everyday Linux administration tasks by mastering the Linux command line and using automationWork with the Linux filesystem, packages, users, processes, and daemonsDeploy Linux to the cloud with AWS, Azure, and KubernetesBook Description Linux plays a significant role in modern data center management and provides great versatility in deploying and managing your workloads on-premises and in the cloud. This book covers the important topics you need to know about for your everyday Linux administration tasks. The book starts by helping you understand the Linux command line and how to work with files, packages, and filesystems. You'll then begin administering network services and hardening security, and learn about cloud computing, containers, and orchestration. Once you've learned how to work with the command line, you'll explore the essential Linux commands for managing users, processes, and daemons and discover how to secure your Linux environment using application security frameworks and firewall managers. As you advance through the chapters, you'll work with containers, hypervisors, virtual machines, Ansible, and Kubernetes. You'll also learn how to deploy Linux to the cloud using AWS and Azure. By the end of this Linux book, you'll be well-versed with Linux and have mastered everyday administrative tasks using workflows spanning from on-premises to the cloud. If you also find yourself adopting DevOps practices in the process, we'll consider our mission accomplished. What you will learnUnderstand how Linux works and learn basic to advanced Linux administration skillsExplore the most widely used commands for managing the Linux filesystem, network, security, and moreGet to grips with different networking and messaging protocolsFind out how Linux security works and how to configure SELinux, AppArmor, and Linux iptablesWork with virtual machines and containers and understand container orchestration with KubernetesWork with containerized workflows using Docker and KubernetesAutomate your configuration management workloads with AnsibleWho this book is for If you are a Linux administrator who wants to understand the fundamentals and as well as modern concepts of Linux system administration, this book is for you. Windows System Administrators looking to extend their knowledge to the Linux OS will also benefit from this book.

Book Red Hat Certified Engineer  RHCE  Study Guide

Download or read book Red Hat Certified Engineer RHCE Study Guide written by Andrew Mallett and published by . This book was released on 2021 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study the material in this book to prepare for the RHCE exam EX294 and to learn how using Ansible within your own environment improves system administration productivity. This book covers all of the objectives of the exam and extends further, ensuring that you know how to use Ansible to manage Linux. The book uses CentOS, a Red Hat-based distribution, and Ubuntu instead of using a single Red Hat distribution. By using the two distributions, you will understand the power of Ansible and how easily you can deal with multiple platforms, which is crucial for your understanding of Ansible in the real world. The book assumes no previous knowledge of Ansible but some knowledge of Linux system administration from the command line. You will learn how to manage Linux systems that are installed with different distributions, including CentOS Enterprise Linux 8 and Ubuntu 18.04. You will be able to manage these systems using ad hoc commands from the command line as well as creating Ansible playbooks that can be replayed reliably many times. To save on the code that you have to create, you will learn how to use Ansible Galaxy to search for and download roles and collections that are pre-written to manage elements of your Linux installations. By the end of this book, you will be able to write efficient and effective YAML playbooks to manage your entire estate. You will: Prepare systems so that password-less access can be used with Ansible remotely Use ad hoc commands to quickly configure systems Use and format YAML files correctly Create playbooks that grow in their complexity as your experience develops Ensure that services are restarted on configuration changes.