Learn Chef Provisioning like a boss and finally own your infrastructure About This Book This is the first Chef book focused on provisioning infrastructure as its sole task. The book offers a clear solution to a specific pain point: learn to make your system work faster. Learning better approaches to load balancing and parallelization with this book will save you time By mastering the techniques in this book, you will know how to run an entire fleet of machines without breaking a sweat This book is more helpful than the documentation ( https://docs.chef.io/provisioning.html), with a stronger guiding voice and clearer explanations and use cases Who This Book Is For This book is for Software Engineers, System Administrators, or DevOps Engineers who need to quickly deliver reliably consistent infrastructure at scale. You are expected to have intermediate experience with Chef and Ruby and will be reading this book to advance your knowledge and take your skillset to the next level. What You Will Learn Use best practices to describe your entire infrastructure as code Automate and document every aspect of your network, from the hardware of individual nodes to software, middleware, and all containers and clouds Create a perfect model system Make the best possible use of your resources and avoid redundancy Deliver on the promise of Infrastructure as Code Scale with ease by properly provisioning their infrastructure Use the best Test Driven Development methodologies In Detail This book will show you the best practices to describe your entire infrastructure as code. With the help of this book you can expand your knowledge of Chef because and implement robust and scalable automation solutions. You can automate and document every aspect of your network, from the hardware to software, middleware, and all your containers. You will become familiar with the Chef's Chef Provisioning tool. You will be able to make a perfect model system where everything is represented as code beneath your fingertips. Make the best possible use of your resources, and deliver infrastructure as code, making it as versionable, testable and repeatable as application software Style and approach By dedicating a whole book solely to the question of provisioning, this book will teach administrators to use Chef as a birds-eye lens for their entire system. It will moves you away from the specifics of each machine and its automations and instead will teach you them how to approach the entire cluster as something different than the sum of its parts. By focusing on infrastructure as code as its own project, the book offers elegant, time-saving solutions for a perfectly described and automated network.
Develop and build your Docker images and deploy your Docker containers securely. Key FeaturesLearn Docker installation on different types of OSGet started with developing Docker imagesUse Docker with your Jenkins CI/CD systemBook Description Docker is an open source software platform that helps you with creating, deploying, and running your applications using containers. This book is your ideal introduction to Docker and containerization. You will learn how to set up a Docker development environment on a Linux, Mac, or Windows workstation, and learn your way around all the commands to run and manage your Docker images and containers. You will explore the Dockerfile and learn how to build your own enterprise-grade Docker images. Then you will learn about Docker networks, Docker swarm, and Docker volumes, and how to use these features with Docker stacks in order to define, deploy, and maintain highly-scalable, fault-tolerant multi-container applications. Finally, you will learn how to leverage Docker with Jenkins to automate the building of Docker images and the deployment of Docker containers. By the end of this book, you will be well prepared when it comes to using Docker for your next project. What you will learnSet up your Docker workstation on various platformsUtilize a number of Docker commands with parametersCreate Docker images using DockerfilesLearn how to create and use Docker volumesDeploy multi-node Docker swarm infrastructureCreate and use Docker local and remote networksDeploy multi-container applications that are HA and FTUse Jenkins to build and deploy Docker imagesWho this book is for This guide is for anyone who needs to make a quick decision about using Docker for their next project. It is for developers who want to get started using Docker right away.
Learn Chef Provisioning like a boss and discover how to deploy software and manage hosts, along with engaging recipes to automate your cloud and server infrastructure with Chef. About This Book Leverage the power of Chef to transform your infrastructure into code to deploy new features in minutes Get step-by-step instructions to configure, deploy, and scale your applications Master specific Chef techniques to run an entire fleet of machines without breaking a sweat. Who This Book Is For If you are a system administrator, Linux administrator, a cloud developer, or someone who just wants to learn and apply Chef automation to your existing or new infrastructure, then this learning path will show you all you need to know. In order to get the most out of this learning path, some experience of programming or scripting languages would be useful. What You Will Learn Install Chef server on your own hosts Integrate Chef with cloud services Debug your cookbooks and Chef runs using the numerous inspection and logging facilities of Chef Extend Chef to meet your advanced needs by creating custom plugins for Knife and Ohai Create a perfect model system Use the best test-driven development methodologies In Detail Chef is a configuration management tool that turns IT infrastructure into code. Chef provides tools to manage systems at scale. This learning path takes you on a comprehensive tour of Chef's functionality, ranging from its core features to advanced development. You will be brought up to speed with what's new in Chef and how to set up your own Chef infrastructure for individuals, or small or large teams. You will learn to use the basic Chef command-line tools. We will also take you through the core concepts of managing users, applications, and your entire cloud infrastructure. You will learn the techniques of the pros by walking you through a host of step-by-step guides to solve real-world infrastructure automation challenges.You will learn to automate and document every aspect of your network, from the hardware to software, middleware, and all your containers. You will become familiar with the Chef'sProvisioning tool. By the end of this course, you will be confident in how to manage your infrastructure, scale using the cloud, and extend the built-in functionality of Chef itself.The books used in this Learning Path are: 1) Chef Essentials 2) Chef Infrastructure Automation Cookbook – Second Edition 3) Mastering Chef Provisioning Style and approach This fast-paced guide covers the many facets of Chef and will teach administrators to use Chef as a birds-eye lens for their entire system. This book takes you through a host of step-by-step guides to solve real-world infrastructure automation challenges and offers elegant, time-saving solutions for a perfectly described and automated network.
Learn Chef Provisioning like a boss and discover how to deploy software and manage hosts, along with engaging recipes to automate your cloud and server infrastructure with Chef. About This Book Leverage the power of Chef to transform your infrastructure into code to deploy new features in minutes Get step-by-step instructions to configure, deploy, and scale your applications Master specific Chef techniques to run an entire fleet of machines without breaking a sweat. Who This Book Is For If you are a system administrator, Linux administrator, a cloud developer, or someone who just wants to learn and apply Chef automation to your existing or new infrastructure, then this learning path will show you all you need to know. In order to get the most out of this learning path, some experience of programming or scripting languages would be useful. What You Will Learn Install Chef server on your own hosts Integrate Chef with cloud services Debug your cookbooks and Chef runs using the numerous inspection and logging facilities of Chef Extend Chef to meet your advanced needs by creating custom plugins for Knife and Ohai Create a perfect model system Use the best test-driven development methodologies In Detail Chef is a configuration management tool that turns IT infrastructure into code. Chef provides tools to manage systems at scale. This learning path takes you on a comprehensive tour of Chef's functionality, ranging from its core features to advanced development. You will be brought up to speed with what's new in Chef and how to set up your own Chef infrastructure for individuals, or small or large teams. You will learn to use the basic Chef command-line tools. We will also take you through the core concepts of managing users, applications, and your entire cloud infrastructure. You will learn the techniques of the pros by walking you through a host of step-by-step guides to solve real-world infrastructure automation challenges.You will learn to automate and document every aspect of your network, from the hardware to software, middleware, and all your containers. You will become familiar with the Chef'sProvisioning tool. By the end of this course, you will be confident in how to manage your infrastructure, scale using the cloud, and extend the built-in functionality of Chef itself.The books used in this Learning Path are: 1) Chef Essentials 2) Chef Infrastructure Automation Cookbook – Second Edition 3) Mastering Chef Provisioning Style and approach This fast-paced guide covers the many facets of Chef and will teach administrators to use Chef as a birds-eye lens for their entire system. This book takes you through a host of step-by-step guides to solve real-world infrastructure automation challenges and offers elegant, time-saving solutions for a perfectly described and automated network.
Learn Chef Provisioning like a boss and finally own your infrastructure About This Book This is the first Chef book focused on provisioning infrastructure as its sole task. The book offers a clear solution to a specific pain point: learn to make your system work faster. Learning better approaches to load balancing and parallelization with this book will save you time By mastering the techniques in this book, you will know how to run an entire fleet of machines without breaking a sweat This book is more helpful than the documentation ( https://docs.chef.io/provisioning.html), with a stronger guiding voice and clearer explanations and use cases Who This Book Is For This book is for Software Engineers, System Administrators, or DevOps Engineers who need to quickly deliver reliably consistent infrastructure at scale. You are expected to have intermediate experience with Chef and Ruby and will be reading this book to advance your knowledge and take your skillset to the next level. What You Will Learn Use best practices to describe your entire infrastructure as code Automate and document every aspect of your network, from the hardware of individual nodes to software, middleware, and all containers and clouds Create a perfect model system Make the best possible use of your resources and avoid redundancy Deliver on the promise of Infrastructure as Code Scale with ease by properly provisioning their infrastructure Use the best Test Driven Development methodologies In Detail This book will show you the best practices to describe your entire infrastructure as code. With the help of this book you can expand your knowledge of Chef because and implement robust and scalable automation solutions. You can automate and document every aspect of your network, from the hardware to software, middleware, and all your containers. You will become familiar with the Chef's Chef Provisioning tool. You will be able to make a perfect model system where everything is represented as code beneath your fingertips. Make the best possible use of your resources, and deliver infrastructure as code, making it as versionable, testable and repeatable as application software Style and approach By dedicating a whole book solely to the question of provisioning, this book will teach administrators to use Chef as a birds-eye lens for their entire system. It will moves you away from the specifics of each machine and its automations and instead will teach you them how to approach the entire cluster as something different than the sum of its parts. By focusing on infrastructure as code as its own project, the book offers elegant, time-saving solutions for a perfectly described and automated network.
Develop and build your Docker images and deploy your Docker containers securely. Key FeaturesLearn Docker installation on different types of OSGet started with developing Docker imagesUse Docker with your Jenkins CI/CD systemBook Description Docker is an open source software platform that helps you with creating, deploying, and running your applications using containers. This book is your ideal introduction to Docker and containerization. You will learn how to set up a Docker development environment on a Linux, Mac, or Windows workstation, and learn your way around all the commands to run and manage your Docker images and containers. You will explore the Dockerfile and learn how to build your own enterprise-grade Docker images. Then you will learn about Docker networks, Docker swarm, and Docker volumes, and how to use these features with Docker stacks in order to define, deploy, and maintain highly-scalable, fault-tolerant multi-container applications. Finally, you will learn how to leverage Docker with Jenkins to automate the building of Docker images and the deployment of Docker containers. By the end of this book, you will be well prepared when it comes to using Docker for your next project. What you will learnSet up your Docker workstation on various platformsUtilize a number of Docker commands with parametersCreate Docker images using DockerfilesLearn how to create and use Docker volumesDeploy multi-node Docker swarm infrastructureCreate and use Docker local and remote networksDeploy multi-container applications that are HA and FTUse Jenkins to build and deploy Docker imagesWho this book is for This guide is for anyone who needs to make a quick decision about using Docker for their next project. It is for developers who want to get started using Docker right away.
The American Civil War saw the creation of the largest, most potent artillery force ever deployed in a conflict fought in the Western Hemisphere. It was as sizable and powerful as any raised in prior European wars. Moreover, Union and Confederate artillery included the largest number of rifled pieces fielded in any conflagration in the world up to that point. Earl J. Hess’s Civil War Field Artillery is the first comprehensive general history of the artillery arm that supported infantry and cavalry in the conflict. Based on deep and expansive research, it serves as an exhaustive examination with abundant new interpretations that reenvision the Civil War’s military. Hess explores the major factors that affected artillerists and their work, including the hardware, the organization of artillery power, relationships between artillery officers and other commanders, and the influence of environmental factors on battlefield effectiveness. He also examines the lives of artillerymen, the use of artillery horses, manpower replacement practices, effects of the widespread construction of field fortifications on artillery performance, and the problems of resupplying batteries in the field. In one of his numerous reevalutions, Hess suggests that the early war practice of dispersing guns and assigning them to infantry brigades or divisions did not inhibit the massing of artillery power on the battlefield, and that the concentration system employed during the latter half of the conflict failed to produce a greater concentration of guns. In another break with previous scholarship, he shows that the efficacy of fuzes to explode long-range ordnance proved a problem that neither side was able to resolve during the war. Indeed, cumulative data on the types of projectiles fired in battle show that commanders lessened their use of the new long-range exploding ordnance due to bad fuzes and instead increased their use of solid shot, the oldest artillery projectile in history.
I saw enough to sicken the heart. . . . The scenes which I witnessed were enough to overthrow all imaginations concerning the glory of war; but, dreadful as they were, I hope and believe that I would be willing to suffer the worst, . . . rather than prove a traitor to the trust which our country reposes in all her sons.--J. Spangler Kieffer, Pennsylvania Militia With its relentless bloodshed, devastating firepower, and large-scale battles often fought on impossible terrain, the Civil War was a terrifying experience for a volunteer army. Yet, as Earl Hess shows, Union soldiers found the wherewithal to endure such terrors for four long years and emerge victorious. A vivid reminder that the business of war is killing, Hess's study plunges us into the hellish realms of Civil War combat-a horrific experience crowded with brutalizing sights, sounds, smells, and textures. We share the terror of being shot at for the first time and hear the "grating sound a minie ball makes when it hits a bone instead of the heavy thud when it strikes flesh." We are assaulted by choruses of groans from the wounded and dying and come to understand why some soldiers returned to battle with great dread Drawing extensively upon the letters, diaries, and memoirs of Northern soldiers, Hess reveals their deepest fears and shocks, and also their sources of inner strength. By identifying recurrent themes found in these accounts, Hess constructs a multilayered view of the many ways in which these men coped with the challenges of battle. He shows how they were bolstered by belief in God and country, or simply by their sense of duty; how they came to rely on the support of their comrades; and how they learned to muster self-control in order to persevere from one battle to the next. Although our ability to appreciate war as it was conducted in the previous century has been clouded by our familiarity with modern conflicts, Hess's study conveys that reality with an immediacy rarely matched by other books. Even more, it urges us to reconsider these soldiers not as victims of the battlefield but rather as victors over the worst that war can inflict.
In the Trenches at Petersburg, the final volume of Earl J. Hess's trilogy of works on the fortifications of the Civil War, recounts the strategic and tactical operations around Petersburg during the last ten months of the Civil War. Hess covers all aspects of the Petersburg campaign, from important engagements that punctuated the long months of siege to mining and countermining operations, the fashioning of wire entanglements and the laying of torpedo fields to impede attacks, and the construction of underground shelters to protect the men manning the works. In the Trenches at Petersburg humanizes the experience of the soldiers working in the fortifications and reveals the human cost of trench warfare in the waning days of the struggle.
This three-volume Omnibus e-Book set is a collection of Earl J. Hess's definitive works on trench warfare during the Civil War. The set includes: Field Armies and Fortifications in the Civil War: The Eastern Campaigns, 1861-1864, covering the eastern campaigns, from Big Bethel and the Peninsula to Chancellorsville, Gettysburg, Charleston, and Mine Run; Trench Warfare under Grant and Lee: Field Fortifications in the Overland Campaign, covering Wilderness, Spotsylvania, North Anna, Cold Harbor, and Bermuda Hundred; and In the Trenches at Petersburg: Field Fortifications and Confederate Defeat, recounting the strategic and tactical operations in Virginia during the last ten months of the Civil War, when field fortifications dominated military planning and the landscape of battle. This invaluable trilogy is a must have for anyone interested in the battles, tactics and strategies of both sides during the Civil War.
The Civil War's single-shot, muzzle-loading musket revolutionized warfare-or so we've been told for years. Noted historian Earl J. Hess forcefully challenges that claim, offering a new, clear-eyed, and convincing assessment of the rifle musket's actual performance on the battlefield and its impact on the course of the Civil War. Many contemporaries were impressed with the new weapon's increased range of 500 yards, compared to the smoothbore musket's range of 100 yards, and assumed that the rifle was a major factor in prolonging the Civil War. Historians have also assumed that the weapon dramatically increased casualty rates, made decisive victories rare, and relegated cavalry and artillery to far lesser roles than they played in smoothbore battles. Hess presents a completely new assessment of the rifle musket, contending that its impact was much more limited than previously supposed and was confined primarily to marginal operations such as skirmishing and sniping. He argues further that its potential to alter battle line operations was virtually nullified by inadequate training, soldiers' preference for short-range firing, and the difficulty of seeing the enemy at a distance. He notes that bullets fired from the new musket followed a parabolic trajectory unlike those fired from smoothbores; at mid-range, those rifle balls flew well above the enemy, creating two killing zones between which troops could operate untouched. He also presents the most complete discussion to date of the development of skirmishing and sniping in the Civil War. Drawing upon the observations and reflections of the soldiers themselves, Hess offers the most compelling argument yet made regarding the actual use of the rifle musket and its influence on Civil War combat. Engagingly written and meticulously researched, his book will be of special interest to Civil War scholars, buffs, re-enactors, and gun enthusiasts alike.
A unique recounting of the Confederate use of landmines during the American Civil War. Hess uses multiple archival sources to tell a compelling narrative that stresses not only the tactical and technological challenges but also considers the moral stigma attached to this new weapon of war"--
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