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Over 120 recipes covering key automation techniques through code management and virtualization offered by modern Infrastructure as a Service About This Book * Use some of the powerful tools that have emerged to enable systems administrators and developers to take control and automate the management, monitoring, and creation of complex infrastructures * Covers some of the most exciting technologies available to DevOps engineers, and demonstrates multiple techniques for using them * A hands-on guide filled with clear examples and multiple methodologies to demonstrate the various DevOps tools available Who This Book Is For If you are a systems administrator or developer who is keen to employ DevOps techniques to help with the day-to-day complications of managing complex infrastructures, then this book is for you. No prior knowledge of DevOps tools is required. What You Will Learn * Manage, use, and work with code in the Git version management system * Manage the life cycle of hosts, from creation to on-going management, using Puppet Razor * Create hosts automatically using a simple combination of TFTP, DHCP, and pre-seeds * Implement virtual hosts using the ubiquitous VMware ESXi hypervisor * Control configuration using the powerful and popular Ansible configuration management system * Develop powerful, consistent, and portable containers using Docker * Track trends, discover data, and monitor key systems using InfluxDB, syslog, and Sensu * Deal efficiently with powerful cloud infrastructures using the Amazon AWS Infrastructure as a Service and the Heroku Platform as a Service In Detail There has been a recent explosion in tools that allow you to redefine the delivery of infrastructure and applications, using a combination of automation and testing to deliver continuous deployment. DevOps has garnered interest from every quarter, and is rapidly being recognized as a radical shift, as large as the Agile movement for the delivery of software. This book takes a collection of some of the coolest software available today and shows you how to use it to create impressive changes to the way you deliver applications and software. It tackles the plethora of tools that are now available to enable organizations to take advantage of the automation, monitoring, and configuration management techniques that define a DevOps-driven infrastructure. Starting off with the fundamental command-line tools that every DevOps enthusiast must know, this book will guide you through the implementation of the Ansible tool to help you facilitate automation and perform diverse tasks. You will explore how to build hosts automatically with the creation of Apt mirrors and interactive pre-seeds, which are of the utmost importance for Ubuntu automation. You will also delve into the concept of virtualization and creating and manipulating guests with ESXi. Following this, you will venture into the application of Docker; learn how to install, run, network, and restore Docker containers; and also learn how to build containers in Jenkins and deploy apps using a combination of Ansible, Docker, and Jenkins. You will also discover how to filter data with Grafana and the usage of InfluxDB along with unconventional log management. Finally, you will get acquainted with cloud infrastructure, employing the Heroku and Amazon AWS platforms. By tackling real-world issues, this book will guide you through a huge variety of tools, giving new users the ability to get up and running and offering advanced users some interesting recipes that may help with existing issues. Style and approach This book has an easy-to-follow approach to both introducing the wide range of available DevOps tools and working with them. Each recipe is lavishly sprinkled with example code and uses clear instructions to easily allow you to see how you can both implement the solutions, and more importantly, tailor them to your unique needs.
No one man or woman has ever been in a position to see the presidents, and the presidency, so intimately, over so many years. They called him in for photo opportunities. They called for comfort. They asked about death and salvation; about sin and forgiveness. At a time when the nation is increasingly split over the place of religion in public life, THE PREACHER AND THE PRESIDENTS reveals how the world's most powerful men and world's most famous evangelist, Billy Graham, knit faith and politics together.
The first history of the private relationships among modern American presidents--their backroom deals, rescue missions, secret alliances, and enduring rivalries. The Presidents Club, established at Dwight Eisenhower's inauguration by Harry Truman and Herbert Hoover, is a complicated place: its members are bound forever by the experience of the Oval Office and yet are eternal rivals for history's favor. Among their secrets: How Jack Kennedy tried to blame Ike for the Bay of Pigs. How Ike quietly helped Reagan win his first race in 1966. How Richard Nixon conspired with Lyndon Johnson to get elected and then betrayed him. How Jerry Ford and Jimmy Carter turned a deep enmity into an alliance. The letter from Nixon that Bill Clinton rereads every year. The unspoken pact between a father and son named Bush. And the roots of the rivalry between Clinton and Barack Obama. Journalists and presidential historians Nancy Gibbs and Michael Duffy offer a new tool to understand the presidency by exploring the club as a hidden instrument of power that has changed the course of history.
An easy to follow guide with extensive examples to explain Puppet's reporting capabilities to facilitate effective implementation of Puppet in the real world as a reporting tool.If you are a Puppet developer or a system administrator using Puppet, and you want to extend your expertise to manage and optimize your server resources, then this book is for you.
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