Start pulling the strings of your infrastructure with Puppet – learn how to configure, customize, and manage your systems more intelligently About This Book Explore the wider Puppet ecosystem of useful tools Design and manage your Puppet architecture for optimum performance Write more efficient code that keeps your infrastructure more robust Who This Book Is For If you are a Puppet user, this book will help you on different levels. If you a beginner, we summarize the key Puppet components and give you the elements to have a broader vision. For more experienced users, you will be surprised by with topics on designing, implementing, adapting, and deploying Puppet architectures. If you are expert, you will find topics and information that is rarely exposed in other books, giving you an insight into Puppet's future and its usage on alternative devices. What You Will Learn Learn the principles of Puppet language and ecosystem Extract the features of Hiera and PuppetDB's power usage Explore the different approaches to Puppet architecture design Use Puppet to manage network, cloud, and virtualization devices Manage and test the Puppet code workflow Tweak, hack, and adapt the Puppet extension points Get a run through of the strategies and patterns to introduce Puppet automation Master the art of writing reusable modules In Detail Puppet has changed the way we manage our systems, but Puppet itself is changing and evolving, and so are the ways we are using it. To tackle our IT infrastructure challenges and avoid common errors when designing our architectures, an up-to-date, practical, and focused view of the current and future Puppet evolution is what we need. With Puppet, you define the state of your IT infrastructure, and it automatically enforces the desired state. This book will be your guide to designing and deploying your Puppet architecture. It will help you utilize Puppet to manage your IT infrastructure. Get to grips with Hiera and learn how to install and configure it, before learning best practices for writing reusable and maintainable code. You will also be able to explore the latest features of Puppet 4, before executing, testing, and deploying Puppet across your systems. As you progress, Extending Puppet takes you through higher abstraction modules, along with tips for effective code workflow management. Finally, you will learn how to develop plugins for Puppet - as well as some useful techniques that can help you to avoid common errors and overcome everyday challenges. Style and approach This is a collection of specific information about multiple topics related to Puppet and its ecosystem. Starting from a review of the very basics to more advanced topics, mixing practical advice with important theory and broader perspective, along with implementation details.
Start pulling the strings of your infrastructure with Puppet - learn how to configure, customize, and manage your systems more intelligentlyAbout This Book- Explore the wider Puppet ecosystem of useful tools- Design and manage your Puppet architecture for optimum performance- Write more efficient code that keeps your infrastructure more robust Who This Book Is ForIf you are a Puppet user, this book will help you on different levels. If you a beginner, we summarize the key Puppet components and give you the elements to have a broader vision. For more experienced users, you will be surprised by with topics on designing, implementing, adapting, and deploying Puppet architectures. If you are expert, you will find topics and information that is rarely exposed in other books, giving you an insight into Puppet's future and its usage on alternative devices.What You Will Learn- Learn the principles of Puppet language and ecosystem- Extract the features of Hiera and PuppetDB's power usage- Explore the different approaches to Puppet architecture design- Use Puppet to manage network, cloud, and virtualization devices- Manage and test the Puppet code workflow- Tweak, hack, and adapt the Puppet extension points- Get a run through of the strategies and patterns to introduce Puppet automation- Master the art of writing reusable modulesIn DetailPuppet has changed the way we manage our systems, but Puppet itself is changing and evolving, and so are the ways we are using it. To tackle our IT infrastructure challenges and avoid common errors when designing our architectures, an up-to-date, practical, and focused view of the current and future Puppet evolution is what we need. With Puppet, you define the state of your IT infrastructure, and it automatically enforces the desired state.This book will be your guide to designing and deploying your Puppet architecture. It will help you utilize Puppet to manage your IT infrastructure. Get to grips with Hiera and learn how to install and configure it, before learning best practices for writing reusable and maintainable code. You will also be able to explore the latest features of Puppet 4, before executing, testing, and deploying Puppet across your systems. As you progress, Extending Puppet takes you through higher abstraction modules, along with tips for effective code workflow management.Finally, you will learn how to develop plugins for Puppet - as well as some useful techniques that can help you to avoid common errors and overcome everyday challenges.Style and approachThis is a collection of specific information about multiple topics related to Puppet and its ecosystem. Starting from a review of the very basics to more advanced topics, mixing practical advice with important theory and broader perspective, along with implementation details.
Start pulling the strings of your IT infrastructure effectively with Puppet – learn how to configure, customize and manage your systems more intelligently in an enterprise deployment. About This Book Step-by-step instructions to jump start your Puppet deployment and automate your IT configurations Design, implement, and deploy Puppet in your infrastructure and tackle everyday IT infrastructure challenges Gain expert understanding of Puppet's latest and most advanced features Who This Book Is For If you're an experienced IT professional and a new Puppet user, this course will provide you with all you need to know to go from installation to advanced automation. What You Will Learn Write and employ individual Puppet manifests Understand how Puppet implements system abstraction Use Puppet to manage network, cloud, and virtualization devices Manage and test the Puppet code workflow Tweak, hack, and adapt the Puppet extension points Use exported resources to orchestrate change between machines Debug a puppetserver using Java techniques In Detail Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts. Puppet gives you control of what you do to each node, when you do it, and how you do it.This Learning Path will take you from the basics of Puppet to extending it and then mastering it. We will start off with a primer on Puppet, its installation and get a sneak peek under its hood. We will then move on to designing and deploying your Puppet architecture, learning best practices for writing reusable and maintainable code, and executing, testing, and deploying Puppet across your systems. Finally, we will deal with problems of scale and exceptions in your code, automate workflows, and support multiple developers working simultaneously.This course is based on the following books: Puppet 4 Essentials - Second Edition Extending Puppet - Second Edition Mastering Puppet - Second Edition Style and approach This learning path follows a practical approach, starting from the basic commands to advanced aspects. Through a series of examples you will learn the most important skills essential to manage your IT infrastructure effectively.
Start pulling the strings of your IT infrastructure effectively with Puppet – learn how to configure, customize and manage your systems more intelligently in an enterprise deployment. About This Book Step-by-step instructions to jump start your Puppet deployment and automate your IT configurations Design, implement, and deploy Puppet in your infrastructure and tackle everyday IT infrastructure challenges Gain expert understanding of Puppet's latest and most advanced features Who This Book Is For If you're an experienced IT professional and a new Puppet user, this course will provide you with all you need to know to go from installation to advanced automation. What You Will Learn Write and employ individual Puppet manifests Understand how Puppet implements system abstraction Use Puppet to manage network, cloud, and virtualization devices Manage and test the Puppet code workflow Tweak, hack, and adapt the Puppet extension points Use exported resources to orchestrate change between machines Debug a puppetserver using Java techniques In Detail Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts. Puppet gives you control of what you do to each node, when you do it, and how you do it.This Learning Path will take you from the basics of Puppet to extending it and then mastering it. We will start off with a primer on Puppet, its installation and get a sneak peek under its hood. We will then move on to designing and deploying your Puppet architecture, learning best practices for writing reusable and maintainable code, and executing, testing, and deploying Puppet across your systems. Finally, we will deal with problems of scale and exceptions in your code, automate workflows, and support multiple developers working simultaneously.This course is based on the following books: Puppet 4 Essentials - Second Edition Extending Puppet - Second Edition Mastering Puppet - Second Edition Style and approach This learning path follows a practical approach, starting from the basic commands to advanced aspects. Through a series of examples you will learn the most important skills essential to manage your IT infrastructure effectively.
Start pulling the strings of your infrastructure with Puppet – learn how to configure, customize, and manage your systems more intelligently About This Book Explore the wider Puppet ecosystem of useful tools Design and manage your Puppet architecture for optimum performance Write more efficient code that keeps your infrastructure more robust Who This Book Is For If you are a Puppet user, this book will help you on different levels. If you a beginner, we summarize the key Puppet components and give you the elements to have a broader vision. For more experienced users, you will be surprised by with topics on designing, implementing, adapting, and deploying Puppet architectures. If you are expert, you will find topics and information that is rarely exposed in other books, giving you an insight into Puppet's future and its usage on alternative devices. What You Will Learn Learn the principles of Puppet language and ecosystem Extract the features of Hiera and PuppetDB's power usage Explore the different approaches to Puppet architecture design Use Puppet to manage network, cloud, and virtualization devices Manage and test the Puppet code workflow Tweak, hack, and adapt the Puppet extension points Get a run through of the strategies and patterns to introduce Puppet automation Master the art of writing reusable modules In Detail Puppet has changed the way we manage our systems, but Puppet itself is changing and evolving, and so are the ways we are using it. To tackle our IT infrastructure challenges and avoid common errors when designing our architectures, an up-to-date, practical, and focused view of the current and future Puppet evolution is what we need. With Puppet, you define the state of your IT infrastructure, and it automatically enforces the desired state. This book will be your guide to designing and deploying your Puppet architecture. It will help you utilize Puppet to manage your IT infrastructure. Get to grips with Hiera and learn how to install and configure it, before learning best practices for writing reusable and maintainable code. You will also be able to explore the latest features of Puppet 4, before executing, testing, and deploying Puppet across your systems. As you progress, Extending Puppet takes you through higher abstraction modules, along with tips for effective code workflow management. Finally, you will learn how to develop plugins for Puppet - as well as some useful techniques that can help you to avoid common errors and overcome everyday challenges. Style and approach This is a collection of specific information about multiple topics related to Puppet and its ecosystem. Starting from a review of the very basics to more advanced topics, mixing practical advice with important theory and broader perspective, along with implementation details.
Cet ouvrage présente l’édition, la traduction en français et l’analyse de tous les documents de chancellerie (en arabe, latin et italien) concernant les relations établies entre Florence et le sultanat mamelouk entre 1422 et 1510. Prenant en compte les recherches accomplies au cours des dernières décennies dans le domaine des études diplomatiques, ce travail corrige plusieurs erreurs et inexactitudes contenues dans les précédentes éditions de ces sources et contient quelques documents inédits. Une introduction aborde le cadre historique des relations diplomatiques et examine les caractéristiques des sources. Un riche ensemble de notes explicatives et un glossaire analysent leur contenu. Les sources publiées dans ce volume constituent le témoignage historique disponible pour tracer le cadre des échanges diplomatiques entretenus par la Ville du Lys et Le Caire mamelouk. This book offers the edition, translation into French and analysis of all the chancery documents (in Arabic, Latin and Italian) concerning the relations established between Florence and the Mamluk sultanate between 1422 and 1510. Taking into consideration the achievements made in recent decades in the field of Mamluk diplomatics, this work corrects several errors and inaccuracies contained in previous editions as well as presents some unpublished documents. An introduction addresses the historical framework of diplomatic relations and examines the characteristics of the sources. A rich body of explanatory notes and a glossary analyze their content. The sources published in this volume constitute the historical testimony available for outlining the framework of the diplomatic exchanges maintained by the City of the Lily and Mamluk Cairo.
This book introduces and discusses the self-adjoint extension problem for symmetric operators on Hilbert space. It presents the classical von Neumann and Krein–Vishik–Birman extension schemes both in their modern form and from a historical perspective, and provides a detailed analysis of a range of applications beyond the standard pedagogical examples (the latter are indexed in a final appendix for the reader’s convenience). Self-adjointness of operators on Hilbert space representing quantum observables, in particular quantum Hamiltonians, is required to ensure real-valued energy levels, unitary evolution and, more generally, a self-consistent theory. Physical heuristics often produce candidate Hamiltonians that are only symmetric: their extension to suitably larger domains of self-adjointness, when possible, amounts to declaring additional physical states the operator must act on in order to have a consistent physics, and distinct self-adjoint extensions describe different physics. Realising observables self-adjointly is the first fundamental problem of quantum-mechanical modelling. The discussed applications concern models of topical relevance in modern mathematical physics currently receiving new or renewed interest, in particular from the point of view of classifying self-adjoint realisations of certain Hamiltonians and studying their spectral and scattering properties. The analysis also addresses intermediate technical questions such as characterising the corresponding operator closures and adjoints. Applications include hydrogenoid Hamiltonians, Dirac–Coulomb Hamiltonians, models of geometric quantum confinement and transmission on degenerate Riemannian manifolds of Grushin type, and models of few-body quantum particles with zero-range interaction. Graduate students and non-expert readers will benefit from a preliminary mathematical chapter collecting all the necessary pre-requisites on symmetric and self-adjoint operators on Hilbert space (including the spectral theorem), and from a further appendix presenting the emergence from physical principles of the requirement of self-adjointness for observables in quantum mechanics.
Filling a gap in existing literature on revenue management systems, this book explores the use of business strategies which are specifically designed to have a positive impact on economic and financial efficiency. Focussing on services within the tourism industry, the author takes a new approach and identifies dynamic pricing and service differentiation as key components of strategic management. Providing fresh insights into an ever-expanding sector, this book will be a useful tool for those studying business strategy and management, as well as value creation theory, as it ultimately presents an integrated business management model which will ensure sustainability.
Dive into the intricate world of compound figures of speech with this groundbreaking volume. Exploring hyperbolic metaphor, hyperbolic irony, and ironic metaphor, this book delves into the complexities of these expressions, revealing its nuanced meanings driven by contextual factors. Through thought-provoking research questions, readers uncover the logical, psychological, and temporal order of interpretation behind these compound figures. Proposing a complexity theory paradigm, the book offers a fresh perspective on their analysis, arguing for a context-dependent approach. Drawing on experimental evidence involving 155 participants, it demonstrates how factors such as language proficiency and sociocultural knowledge influence the cognitive complexity of compound figures. With insights into the flexible nature of interpretation and the interplay of contextual attractors and salience, this book reshapes our understanding of figurative language. The book paves the way for further exploration into the rich tapestry of compound figures and their impact on communication.
Un volume dedicato ai veri appassionati di arte, dove si potranno apprezzare non solo le recensioni critiche e analisi effettuate sulle opere, ma anche avere una visione ampia della scena artistica attuale. Artisti contemporanei che hanno già fatto la storia, e che hanno lasciato una traccia sicuramente indelebile per originalità, artigianalità, innovazione assoluta che conduce l'occhio attenzione del critico e studioso - il lettore, in un mondo bello, costituite principalmente forme e colori, prospettive e concetti chiave, passione e razionalità si intrecciano per creare l'unica vera, l'unico mezzo di corrente, di indagare e guardare al mondo dell'arte. L'arte che segna la storia, l'arte che emoziona, arte che trasmette l'arte che supera dimensioni dello spazio e del tempo e prende lo spettatore in confini sconosciuti, quelli del cuore. Recensioni e analisi critiche del Dr. Alessandro Costanza, critico e storico dell'arte
Ariosto in the Machine Age reveals how the most influential poet of the Renaissance was conjured or appropriated to shape Magical Realism, avant-garde painting, Fascist cultural propaganda, and cinema in modern Italy between the birth of Futurism and the end of the Second World War. Based on substantial archival findings, bold iconographic hypotheses, and novel interpretations of literary texts, the book proposes a new account of Italy’s twentieth-century culture through a unique take on Ludovico Ariosto’s early modern poetics and legacy. Starting from the unexpected passéism of Futurists visiting Ferrara on the eve of the First World War, it rereads the development of Giorgio de Chirico’s Metaphysical art and Massimo Bontempelli’s Realismo Magico. The book reconstructs the multimedia archive of the Fascist initiatives for the 1933 centennial anniversary of Ariosto’s death, and then focuses on the passage between Fascist cinema and the birth of neorealism, unearthing unfinished adaptations of the Orlando Furioso by Luchino Visconti and Alessandro Blasetti. Questioning the very concept of reception, this radically interdisciplinary book warns twenty-first-century readers about the risks of monumentalizing the "great authors" of the past.
Companies are exposed to a large number of risks from different sources such as globalization, deregulation, environmental changes, technological changes, complicated financial models, and corporate governance changes. Parallel to this, various studies recognize enterprise risk management (ERM) as a new method of organizational control. With the spread of ERM frameworks, this book links the themes of risk to decision-making and strategic processes, moving from the issue of vulnerability in order to increase awareness that risk management cannot be entrusted to fulfillment. Instead, risk management must increasingly be an integral part of the company's decision-making and strategic processes. This book develops an innovative approach to the theme of risk following a business-economic analysis perspective related to the creation of economic value. Traditionally, the issue of risk has been widely explored with regard to finance and financial markets. In this book, risk management as a managerial process will be investigated in order to explore the link between risk and business strategies. Integrating risk assessment methodologies with managerial tools with which business entities can build value to protect their positioning and to enhance their economic and financial standing, this book will be of interest to students and researchers of risk management.
The book offers a comprehensive and up-to-date guide to the cutting edge arthroscopic transosseous techniques for the treatment of rotator cuff tears, which are gradually taking over from the common open surgical approach, defined as the gold standard for RCR. With the help of numerous figures, it presents step by step a novel all-arthroscopic anchorless transosseous suture technique that is less invasive and easier to perform. After discussing the etiopathogenesis, histopathology and radiological classification of rotator cuff tears, the book reviews all possible arthroscopic procedures and explores in detail suture management, describing single and double tunnel options. It also examines the complications and post-operative rehabilitation and imaging, while the closing chapter addresses the economic aspects of daily use. Intended primarily for arthroscopic surgeons interested in the field of shoulder joint repair, this exhaustive guide is also a valuable resource for residents and shoulder specialists.
This is the second edition of the only book dedicated to the Geometry of Polycentric Ovals. It includes problem solving constructions and mathematical formulas. For anyone interested in drawing or recognizing an oval, this book gives all the necessary construction, representation and calculation tools. More than 30 basic construction problems are solved, with references to Geogebra animation videos, plus the solution to the Frame Problem and solutions to the Stadium Problem. A chapter (co-written with Margherita Caputo) is dedicated to totally new hypotheses on the project of Borromini’s oval dome of the church of San Carlo alle Quattro Fontane in Rome. Another one presents the case study of the Colosseum as an example of ovals with eight centres as well as the case study of Perronet’s Neuilly bridge, a half oval with eleven centres. The primary audience is: architects, graphic designers, industrial designers, architecture historians, civil engineers; moreover, the systematic way in which the book is organised could make it a companion to a textbook on descriptive geometry or on CAD. Added features in the 2nd edition include: the revised hypothesis on Borromini’s project for the dome of the church of San Carlo alle Quattro Fontane in Rome, an insight into the problem of finding a single equation to represent a four-centre oval, a suggestion for a representation of a four-centre oval using Geogebra, formulas for parameters of ovals with more than 4 centres and the case study of the eleven-centre half-oval arch used to build the XVIII century Neuilly bridge in Paris.
Return to training (RTT) and return to play (RTP) decisions making process in football are currently based on expert's opinion. However, there are no consensus guidelines on evidence-based decision-making. This book provides a framework for evidence-based decision-making both in RTT and RTP following lower-limb muscle injuries sustained in football. Based on the “Italian Consensus Conference (2019) on return-to-play after lower limb muscle injury in football”, it provides a list of RTT and RTP criteria after such injuries compiled by orthopedic surgeons, sports physicians, radiologists, rehabilitation physicians, sport physiologists, general surgeons, family physicians, physiotherapists, physical trainers and psychologists working in elite football in Italy. The book identifies the main criteria for RTT and RTP following injuries involving the most important muscle groups, i.e. quadriceps, hamstring, hip adductor, hip external rotator, iliopsoas and soleus-gastrocnemius. As such it is a valuable reference resource for practitioners making RTT and RTP decisions making process.
This second edition focuses on audio, image and video data, the three main types of input that machines deal with when interacting with the real world. A set of appendices provides the reader with self-contained introductions to the mathematical background necessary to read the book. Divided into three main parts, From Perception to Computation introduces methodologies aimed at representing the data in forms suitable for computer processing, especially when it comes to audio and images. Whilst the second part, Machine Learning includes an extensive overview of statistical techniques aimed at addressing three main problems, namely classification (automatically assigning a data sample to one of the classes belonging to a predefined set), clustering (automatically grouping data samples according to the similarity of their properties) and sequence analysis (automatically mapping a sequence of observations into a sequence of human-understandable symbols). The third part Applications shows how the abstract problems defined in the second part underlie technologies capable to perform complex tasks such as the recognition of hand gestures or the transcription of handwritten data. Machine Learning for Audio, Image and Video Analysis is suitable for students to acquire a solid background in machine learning as well as for practitioners to deepen their knowledge of the state-of-the-art. All application chapters are based on publicly available data and free software packages, thus allowing readers to replicate the experiments.
Taking a symptom-oriented approach, this book focuses on the radiographic changes of malformation syndromes and skeletal dysplasias. Its clear structure makes it an essential, practical guide for radiologists, geneticists, and pediatricians.
Describes how Fisherman's Wharf, San Francisco's top tourist destination, was once the main port of entry to San Francisco and an extremely industrious place filled with immigrants, railroads, fishermen, and booming industry. Reissue.
Catalogo della mostra di Siena, Magazzini del Sale (19 luglio-15 settembre 1996). Marcello Jori ha tracciato i confini di quella che è stata definita "zona protetta" per artisti viventi e leggendari, da lui personalmente selezionati, invitati e ritratti. Intorno al corpo di ogni artista ha progettato la forma architettonica dell'abitazione che il soggetto occupa nella città meravigliosa. Gli "abitanti" di questa città sono fino ad oggi: Giulio Paolini, Tony Cragg, Mario Merz, Morimura, Gerhard Richter, Luigi Ontani, Hermann Nitsch, Julian Schnabel, Sigmar Polke, Anselm Kiefer, Enzo Cucchi, Salvo, Mimmo Paladino, Alessandro Mendini, Peter Halley, Gilbert & George.
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