Learning SaltStack

Author: Colton Myers

Publisher: Packt Publishing Ltd

ISBN: 1785882848

Category: Computers

Page: 202

View: 2970

Build, manage, and secure your infrastructure by utilizing the power of SaltStack About This Book First book in the market to incorporate all the latest features of SaltStack. Leverage the power of SaltStack for building, managing and securing your infrastructure. Effectively use commands and control the state of your infrastructure in a jiffy. Who This Book Is For This book is aimed at System Administrators who are looking forward to manage their infrastructure using SaltStack with no prior knowledge about it. What You Will Learn Install Salt on your servers Run commands on all or some of your minions instantly from a central managing server Write custom Salt modules to handle your infrastructure's unique needs Define the state of your infrastructure and use Salt to enforce that state. Create platform-agnostic state definitions for greater flexibility and power Manage virtual servers on public or private clouds using Salt Cloud Use the event system in Salt to create a reactive and self-healing infrastructure In Detail SaltStack is one of the best infrastructure management platforms available. It provides powerful tools for defining and enforcing the state of your infrastructure in a clear, concise way. With this book learn how to use these tools for your own infrastructure by understanding the core pieces of Salt. In this book we will take you from the initial installation of Salt, through running their first commands, and then talk about extending Salt for individual use cases. From there you will explore the state system inside of Salt, learning to define the desired state of our infrastructure in such a way that Salt can enforce that state with a single command. Finally, you will learn about some of the additional tools that salt provides, including salt-cloud, the reactor, and the event system. Well finish by exploring how to get involved with salt and what's new in the salt community. Finally, by the end of the book, you'll be able to build a reliable, scalable, secure, high-performance infrastructure and fully utilize the power of cloud computing. Style and approach This will be a comprehensive guide on SaltStack along with installation and setting up of Salt on couple of platforms. Then enlightening the readers about remote execution system and configuration management system and ending with concepts of security and best practices.
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Mastering SaltStack

Author: Joseph Hall

Publisher: Packt Publishing Ltd

ISBN: 178646702X

Category: Computers

Page: 378

View: 2728

Take charge of SaltStack to automate and configure your enterprise-grade environments About This Book Automate tasks effectively and take charge of your infrastructure Effectively scale Salt to manage thousands of machines and tackle everyday problems Explore Salt's inner workings and advance your knowledge of it Who This Book Is For This book is ideal for IT professionals and ops engineers who already manage groups of servers, but would like to expand their knowledge and gain expertise with SaltStack. This book explains the advanced features and concepts of Salt. A basic knowledge of Salt is required in order to get to grips with advanced Salt features. What You Will Learn Automate tasks effectively, so that your infrastructure can run itself Start building more complex concepts Master user-level internals Build scaling strategies Explore monitoring strategies Learn how to troubleshoot Salt and its subcomponents Explore best practices for Salt In Detail SaltStack is a powerful configuration management and automation suite designed to manage servers and tens of thousands of nodes. This book showcases Salt as a very powerful automation framework. We will review the fundamental concepts to get you in the right frame of mind, and then explore Salt in much greater depth. You will explore Salt SSH as a powerful tool and take Salt Cloud to the next level. Next, you'll master using Salt services with ease in your infrastructure. You will discover methods and strategies to scale your infrastructure properly. You will also learn how to use Salt as a powerful monitoring tool. By the end of this book, you will have learned troubleshooting tips and best practices to make the entire process of using Salt pain-free and easy. Style and approach This book follows a step-by-step conversational tone. Topics are covered in detail through examples and a user-friendly approach.
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Salt Cookbook

Author: Anirban Saha

Publisher: Packt Publishing Ltd

ISBN: 1784397423

Category: Computers

Page: 350

View: 5234

Salt has become one of the major players in automation and configuration management solutions. This book starts with the basics of the tool, the procedures to get up and running with Salt and then moves on to configuring very simple but important details to receive optimal performance from the tool. It also walks you through Salt configurations for different infrastructure components and the details of the Salt modules for each of the components. The book also provides some common problem scenarios and how to troubleshoot them. With detailed configuration, their explanation and command line outputs of the module execution, Salt Cookbook will help you to get up and running with Salt for all your infrastructural needs.
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Salt Essentials

Author: Craig Sebenik,Thomas Hatch

Publisher: "O'Reilly Media, Inc."

ISBN: 1491919647

Category: Computers

Page: 178

View: 2615

Get a complete introduction to Salt, the widely used Python-based configuration management and remote execution tool. This practical guide not only shows system administrators how to manage complex infrastructures with Salt, but also teaches developers how to use Salt to deploy and manage their applications. Written by two Salt experts, this book provides the information you need to deploy Salt in a production infrastructure right away. You’ll also learn how to customize Salt and use salt-cloud to manage your virtualization. If you have experience with Linux and data formats such as JSON or XML, you’re ready to get started. Understand what Salt can do, and get a high-level overview of basic commands Learn how execution modules let you interact with many systems at once Use states to define how you want a host or a set of hosts to look Dive into grains and pillars, Salt’s basic data elements Control your infrastructure programmatically by extending Salt Master’s functionality Extend Salt with custom modules, the Jinja templating language, and Python scripts
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Learning SQL

Master SQL Fundamentals

Author: Alan Beaulieu

Publisher: "O'Reilly Media, Inc."

ISBN: 9780596555580

Category: Computers

Page: 338

View: 6518

Updated for the latest database management systems -- including MySQL 6.0, Oracle 11g, and Microsoft's SQL Server 2008 -- this introductory guide will get you up and running with SQL quickly. Whether you need to write database applications, perform administrative tasks, or generate reports, Learning SQL, Second Edition, will help you easily master all the SQL fundamentals. Each chapter presents a self-contained lesson on a key SQL concept or technique, with numerous illustrations and annotated examples. Exercises at the end of each chapter let you practice the skills you learn. With this book, you will: Move quickly through SQL basics and learn several advanced features Use SQL data statements to generate, manipulate, and retrieve data Create database objects, such as tables, indexes, and constraints, using SQL schema statements Learn how data sets interact with queries, and understand the importance of subqueries Convert and manipulate data with SQL's built-in functions, and use conditional logic in data statements Knowledge of SQL is a must for interacting with data. With Learning SQL, you'll quickly learn how to put the power and flexibility of this language to work.
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Practical DevOps, Second Edition

Implement DevOps in your organization by effectively building, deploying, testing, and monitoring code, 2nd Edition

Author: Joakim Verona

Publisher: Packt Publishing Ltd

ISBN: 1788398610

Category: Computers

Page: 250

View: 3022

Understand the benefits of DevOps and continuous delivery and see how they support the agile software development process Key Features Learn how DevOps can accelerate your entire software development life cycle Improve your organization's performance to ensure the smooth production of software and services Get hands-on experience in using efficient DevOps tools to better effect Book Description DevOps is a practical field that focuses on delivering business value as efficiently as possible. DevOps encompasses all code workflows from testing environments to production environments. It stresses cooperation between different roles, and how they can work together more closely, as the roots of the word imply—Development and Operations. Practical DevOps begins with a quick refresher on DevOps and continuous delivery and quickly moves on to show you how DevOps affects software architectures. You'll create a sample enterprise Java application that you’'ll continue to work with through the remaining chapters. Following this, you will explore various code storage and build server options. You will then learn how to test your code with a few tools and deploy your test successfully. In addition to this, you will also see how to monitor code for any anomalies and make sure that it runs as expected. Finally, you will discover how to handle logs and keep track of the issues that affect different processes. By the end of the book, you will be familiar with all the tools needed to deploy, integrate, and deliver efficiently with DevOps. What you will learn Understand how all deployment systems fit together to form a larger system Set up and familiarize yourself with all the tools you need to be efficient with DevOps Design an application suitable for continuous deployment systems with DevOps in mind Store and manage your code effectively using Git, Gerrit, Gitlab, and more Configure a job to build a sample CRUD application Test your code using automated regression testing with Jenkins Selenium Deploy your code using tools such as Puppet, Ansible, Palletops, Chef, and Vagrant Who this book is for If you're a developer or system administrator looking to take on larger responsibilities and understand how the infrastructure that builds today's enterprises works, this is the book for you. This book will also help you greatly if you're an operations worker who would like to better support developers. You do not need any previous knowledge of DevOps to understand the concepts in this book.
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Terraform: Up and Running

Writing Infrastructure as Code

Author: Yevgeniy Brikman

Publisher: "O'Reilly Media, Inc."

ISBN: 1491977124

Category: Computers

Page: 206

View: 4732

Terraform has emerged as a key player in the DevOps world for defining, launching, and managing infrastructure as code (IAC) across a variety of cloud and virtualization platforms, including AWS, Google Cloud, and Azure. This hands-on book is the fastest way to get up and running with Terraform. Gruntwork co-founder Yevgeniy (Jim) Brikman walks you through dozens of code examples that demonstrate how to use Terraform’s simple, declarative programming language to deploy and manage infrastructure with just a few commands. Whether you’re a novice developer, aspiring DevOps engineer, or veteran sysadmin, this book will take you from Terraform basics to running a full tech stack capable of supporting a massive amount of traffic and a large team of developers. Compare Terraform to other IAC tools, such as Chef, Puppet, Ansible, and Salt Stack Use Terraform to deploy server clusters, load balancers, and databases Learn how Terraform manages the state of your infrastructure and how it impacts file layout, isolation, and locking Create reusable infrastructure with Terraform modules Try out advanced Terraform syntax to implement loops, if-statements, and zero-downtime deployment Use Terraform as a team, including best practices for writing, testing, and versioning Terraform code
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Learning Python Design Patterns

Author: Chetan Giridhar

Publisher: Packt Publishing Ltd

ISBN: 1785887378

Category: Computers

Page: 164

View: 7953

Leverage the power of Python design patterns to solve real-world problems in software architecture and design About This Book Understand the structural, creational, and behavioral Python design patterns Get to know the context and application of design patterns to solve real-world problems in software architecture, design, and application development Get practical exposure through sample implementations in Python v3.5 for the design patterns featured Who This Book Is For This book is for Software architects and Python application developers who are passionate about software design. It will be very useful to engineers with beginner level proficiency in Python and who love to work with Python 3.5 What You Will Learn Enhance your skills to create better software architecture Understand proven solutions to commonly occurring design issues Explore the design principles that form the basis of software design, such as loose coupling, the Hollywood principle and the Open Close principle among others Delve into the object-oriented programming concepts and find out how they are used in software applications Develop an understanding of Creational Design Patterns and the different object creation methods that help you solve issues in software development Use Structural Design Patterns and find out how objects and classes interact to build larger applications Focus on the interaction between objects with the command and observer patterns Improve the productivity and code base of your application using Python design patterns In Detail With the increasing focus on optimized software architecture and design it is important that software architects think about optimizations in object creation, code structure, and interaction between objects at the architecture or design level. This makes sure that the cost of software maintenance is low and code can be easily reused or is adaptable to change. The key to this is reusability and low maintenance in design patterns. Building on the success of the previous edition, Learning Python Design Patterns, Second Edition will help you implement real-world scenarios with Python's latest release, Python v3.5. We start by introducing design patterns from the Python perspective. As you progress through the book, you will learn about Singleton patterns, Factory patterns, and Facade patterns in detail. After this, we'll look at how to control object access with proxy patterns. It also covers observer patterns, command patterns, and compound patterns. By the end of the book, you will have enhanced your professional abilities in software architecture, design, and development. Style and approach This is an easy-to-follow guide to design patterns with hands-on examples of real-world scenarios and their implementation in Python v3.5. Each topic is explained and placed in context, and for the more inquisitive, there are more details on the concepts used.
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Learning Teaching

A Guidebook for English Language Teachers

Author: Jim Scrivener

Publisher: N.A

ISBN: 9783190125760

Category: English language

Page: 431

View: 5350

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Containerization with Ansible 2

Implement container management, deployment, and orchestration within the Ansible ecosystem

Author: Aric Renzo

Publisher: Packt Publishing Ltd

ISBN: 1788294513

Category: Computers

Page: 234

View: 6496

Automate the container lifecycle from image build through cloud deployment using the automation language you already know. About This Book Use Ansible Container as an integral part of your workflow to increase flexibility and portability. Manage the container life cycle using existing Ansible roles and automate the entire container build, deployment and management process. A step-by-step guide that will get you up and running from building a simple container image to deploying a complex, multi-container app in the cloud. Who This Book Is For This book is aimed at DevOps engineers, administrators and developers who already have some familiarity with writing and running Ansible playbooks, and want to learn how to use Ansible to implement containerization. What You Will Learn Increase your productivity by using Ansible roles to define and build images Learn how to work with Ansible Container to manage, test, and deploy your containerized applications. Increase the flexibility and portability of your applications by learning to use Ansible Discover how you can apply your existing Ansible roles to the image build process Get you up and running from building a simple container image to deploying a complex, multi-container app in the cloud. Take an indepth look at the architecture of Ansible Container, and learn how to build re-usable container images, reliably and efficiently. In Detail Today many organizations are adopting containerization and DevOps methodologies to improve the flexibility and reliability of deploying new applications. Building custom application containers often means leveraging brittle and oftentimes complex Dockerfiles that can lead to cumbersome, multi-layered containers. Ansible Container brings a new workflow for managing the development of containers from development all the way through to production. The goal of this book is to get you up and running with Ansible Container so that you can create container images from Ansible roles, run containers locally, and deploy them to the cloud. We'll progress from a simple, single container application, to a complex application consisting of multiple, connected containers. You'll learn how to run the application locally, how to deploy it to an OpenShift cluster running locally, and how to deploy it to a Kubernetes cluster running in the cloud. Along the way, you'll see how to use roles to define each image or micro-service, and how to share your completed project with the Ansible community. Next, you will be able to take full advantage of Ansible Container, and use it to automate the container lifecycle in your own projects. By the end of this book,you will gain mastery of the Ansible Container platform by building complex multi-container projects ready for deployment into production. Style and approach This book will walk you through Ansible Containerization from building a simple container image to deploying a complex, multi-container app in the cloud. You will get an in-depth understanding of how to effectively manage containers using Ansible 2.
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Extending SaltStack

Author: Joseph Hall

Publisher: Packt Publishing Ltd

ISBN: 1785888161

Category: Computers

Page: 240

View: 2379

Extend the power of your infrastructure and applications with Salt modules About This Book Get the most up-to-date practical resource on writing new Salt modules and extending Salt Learn through use cases and encounter both commonly-used modules as well as advanced ones Effectively troubleshoot problems and hiccups encountered while building and putting modules to work Who This Book Is For This book is for both new and existing Salt developers who are looking to build and write new Salt modules. Some prior Python development experience is expected. What You Will Learn Understand the working of Salt's Loader system Write several of the most common types of Salt modules Interact between different kinds of modules and build new ones Submit open source modules upstream to the Salt project Make Salt interact with third-party services and applications In Detail Salt already ships with a very powerful set of tools, but that doesn't mean that they all suit your needs perfectly. By adding your own modules and enhancing existing ones, you can bring the functionality that you need to increase your productivity. Extending SaltStack follows a tutorial-based approach to explain different types of modules, from fundamentals to complete and full-functioning modules. Starting with the Loader system that drives Salt, this book will guide you through the most common types of modules. First you will learn how to write execution modules. Then you will extend the configuration using the grain, pillar, and SDB modules. Next up will be state modules and then the renderers that can be used with them. This will be followed with returner and output modules, which increase your options to manage return data. After that, there will be modules for external file servers, clouds, beacons, and finally external authentication and wheel modules to manage the master. With this guide in hand, you will be prepared to create, troubleshoot, and manage the most common types of Salt modules and take your infrastructure to new heights! Style and approach This book follows a step-by-step tutorial-based approach explaining the different types of modules, from fundamentals to complete and full-functioning modules.
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Learning DevOps: Continuously Deliver Better Software

Author: Joakim Verona,Michael Duffy,Paul Swartout

Publisher: Packt Publishing Ltd

ISBN: 1787128679

Category: Computers

Page: 713

View: 3327

Learn to use some of the most exciting and powerful tools to deliver world-class quality software with continuous delivery and DevOps About This Book Get to know the background of DevOps so you understand the collaboration between different aspects of an IT organization and a software developer Deploy top-quality software and ensure software maintenance and release management with this practical guide This course covers some of the most exciting technology available to DevOps engineers, and demonstrates multiple techniques for using them Real-world and realistic examples are provided to help you as you go about the implementation and adoption of continuous delivery and DevOps Who This Book Is For This course is for developers who want to understand how the infrastructure that builds today's enterprises works, and how to painlessly and regularly ship quality software. What You Will Learn Set up and familiarize yourself with all the tools you need to be efficient with DevOps Design an application that is suitable for continuous deployment systems with DevOps in mind Test the code using automated regression testing with Jenkins Selenium Managing the lifecycle of hosts, from creation to ongoing management using Puppet Razor Find out how to manage, use, and work with Code in the Git version management system See what traps, pitfalls, and hurdles to look out for as you implement continuous delivery and DevOps In Detail Harness the power of DevOps to boost your skill set and make your IT organization perform better. If you're keen to employ DevOps techniques to better your software development, this course contains all you need to overcome the day-to-day complications of managing complex infrastructures the DevOps way. Start with your first module – Practical DevOps - that encompasses the entire flow from code from testing to production. Get a solid ground-level knowledge of how to monitor code for any anomalies, perform code testing, and make sure the code is running smoothly through a series of real-world exercise, and develop practical skills by creating a sample enterprise Java application. In the second module, run through a series of tailored mini-tutorials designed to give you a complete understanding of every DevOps automation technique. Create real change in the way you deliver your projects by utilizing some of the most commendable software available today. Go from your first steps of managing code in Git to configuration management in Puppet, monitoring using Sensu, and more. In the final module, get to grips with the continuous delivery techniques that will help you reduce the time and effort that goes into the delivery and support of software. This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: Practical DevOps by Joakim Verona DevOps Automation Cookbook by Michael Duffy Continuous Delivery and DevOps : A Quickstart Guide - Second Edition by Paul Swartout Style and approach This course is an easy to follow project based guide for all those with a keen interest in deploying world-class software using some of the most effective and remarkable technologies available.
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PHP 7 Programming Blueprints

Author: Jose Palala,Martin Helmich

Publisher: Packt Publishing Ltd

ISBN: 1785885243

Category: Computers

Page: 320

View: 317

Learn how to exploit the impressive power of PHP 7 with this collection of practical project blueprints – begin building better applications for the web today! About This Book Don't just learn PHP 7 – follow a diverse range of practical knowledge to get started quickly Take advantage of PHP 7's newest features – and find out how to use them to solve real development challenges Put PHP to work for performance and scalability – we'll show you how, you do it! Who This Book Is For The book is for web developers, PHP consultants, and anyone who is working on multiple projects with PHP. Basic knowledge of PHP programming is assumed. What You Will Learn Build versatile projects using the newest features PHP 7 has to offer Learn how to use PHP 7's event-driven asynchronous features Find out how to improve the performance of your code with effective techniques and design patterns Get to grips with backend development and find out how to optimize session handling Learn how to use the PHP 7 Abstract Syntax Tree to improve the quality of your code and make it more maintainable Find out how to build a RESTful web service Build your own asynchronous microservice In Detail When it comes to modern web development, performance is everything. The latest version of PHP has been improvised and updated to make it easier to build for performance, improved engine execution, better memory usage, and a new and extended set of tools. If you're a web developer, what's not to love? This guide will show you how to make full use of PHP 7 with a range of practical projects that will not only teach you the principles, but also show you how to put them into practice. It will push and extend your skills, helping you to become a more confident and fluent PHP developer. You'll find out how to build a social newsletter service, a simple blog with a search capability using Elasticsearch, as well as a chat application. We'll also show you how to create a RESTful web service, a database class to manage a shopping cart on an e-commerce site and how to build an asynchronous microservice architecture. With further guidance on using reactive extensions in PHP, we're sure that you'll find everything you need to take full advantage of PHP 7. So dive in now! Style and approach This product focuses on helping developers build projects from scratch. But more than that, each project will help the reader to learn a new facet or feature of PHP 7 – it means the reader really will 'learn by doing.'
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Scala Machine Learning Projects

Build real-world machine learning and deep learning projects with Scala

Author: Md. Rezaul Karim

Publisher: Packt Publishing Ltd

ISBN: 1788471474

Category: Computers

Page: 470

View: 378

Powerful smart applications using deep learning algorithms to dominate numerical computing, deep learning, and functional programming. Key Features Explore machine learning techniques with prominent open source Scala libraries such as Spark ML, H2O, MXNet, Zeppelin, and DeepLearning4j Solve real-world machine learning problems by delving complex numerical computing with Scala functional programming in a scalable and faster way Cover all key aspects such as collection, storing, processing, analyzing, and evaluation required to build and deploy machine models on computing clusters using Scala Play framework. Book Description Machine learning has had a huge impact on academia and industry by turning data into actionable information. Scala has seen a steady rise in adoption over the past few years, especially in the fields of data science and analytics. This book is for data scientists, data engineers, and deep learning enthusiasts who have a background in complex numerical computing and want to know more hands-on machine learning application development. If you're well versed in machine learning concepts and want to expand your knowledge by delving into the practical implementation of these concepts using the power of Scala, then this book is what you need! Through 11 end-to-end projects, you will be acquainted with popular machine learning libraries such as Spark ML, H2O, DeepLearning4j, and MXNet. At the end, you will be able to use numerical computing and functional programming to carry out complex numerical tasks to develop, build, and deploy research or commercial projects in a production-ready environment. What you will learn Apply advanced regression techniques to boost the performance of predictive models Use different classification algorithms for business analytics Generate trading strategies for Bitcoin and stock trading using ensemble techniques Train Deep Neural Networks (DNN) using H2O and Spark ML Utilize NLP to build scalable machine learning models Learn how to apply reinforcement learning algorithms such as Q-learning for developing ML application Learn how to use autoencoders to develop a fraud detection application Implement LSTM and CNN models using DeepLearning4j and MXNet Who this book is for If you want to leverage the power of both Scala and Spark to make sense of Big Data, then this book is for you. If you are well versed with machine learning concepts and wants to expand your knowledge by delving into the practical implementation using the power of Scala, then this book is what you need! Strong understanding of Scala Programming language is recommended. Basic familiarity with machine Learning techniques will be more helpful.
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Practical DevOps

Author: Joakim Verona

Publisher: Packt Publishing Ltd

ISBN: 1785886525

Category: Computers

Page: 240

View: 9776

Harness the power of DevOps to boost your skill set and make your IT organization perform better About This Book Get to know the background of DevOps so you understand the collaboration between different aspects of an IT organization and a software developer Improve your organization's performance to ensure smooth production of software and services Deploy top-quality software and ensure software maintenance and release management with this practical guide Who This Book Is For This book is aimed at developers and system administrators who wish to take on larger responsibilities and understand how the infrastructure that builds today's enterprises works. This book is also great for operations personnel who would like to better support developers. You do not need to have any previous knowledge of DevOps. What You Will Learn Appreciate the merits of DevOps and continuous delivery and see how DevOps supports the agile process Understand how all the systems fit together to form a larger whole Set up and familiarize yourself with all the tools you need to be efficient with DevOps Design an application that is suitable for continuous deployment systems with Devops in mind Store and manage your code effectively using different options such as Git, Gerrit, and Gitlab Configure a job to build a sample CRUD application Test the code using automated regression testing with Jenkins Selenium Deploy your code using tools such as Puppet, Ansible, Palletops, Chef, and Vagrant Monitor the health of your code with Nagios, Munin, and Graphite Explore the workings of Trac—a tool used for issue tracking In Detail DevOps is a practical field that focuses on delivering business value as efficiently as possible. DevOps encompasses all the flows from code through testing environments to production environments. It stresses the cooperation between different roles, and how they can work together more closely, as the roots of the word imply—Development and Operations. After a quick refresher to DevOps and continuous delivery, we quickly move on to looking at how DevOps affects architecture. You'll create a sample enterprise Java application that you'll continue to work with through the remaining chapters. Following this, we explore various code storage and build server options. You will then learn how to perform code testing with a few tools and deploy your test successfully. Next, you will learn how to monitor code for any anomalies and make sure it's running properly. Finally, you will discover how to handle logs and keep track of the issues that affect processes Style and approach This book is primarily a technical guide to DevOps with practical examples suitable for people who like to learn by implementing concrete working code. It starts out with background information and gradually delves deeper into technical subjects.
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Cloud Computing

Principles, Systems and Applications

Author: Nick Antonopoulos,Lee Gillam

Publisher: Springer

ISBN: 3319546457

Category: Computers

Page: 412

View: 4410

This practically-focused reference presents a comprehensive overview of the state of the art in Cloud Computing, and examines the potential for future Cloud and Cloud-related technologies to address specific industrial and research challenges. This new edition explores both established and emergent principles, techniques, protocols and algorithms involved with the design, development, and management of Cloud-based systems. The text reviews a range of applications and methods for linking Clouds, undertaking data management and scientific data analysis, and addressing requirements both of data analysis and of management of large scale and complex systems. This new edition also extends into the emergent next generation of mobile telecommunications, relating network function virtualization and mobile edge Cloud Computing, as supports Smart Grids and Smart Cities. As with the first edition, emphasis is placed on the four quality-of-service cornerstones of efficiency, scalability, robustness, and security.
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Foundations of Python Network Programming

Author: Brandon Rhodes,John Goerzen

Publisher: Apress

ISBN: 1430258551

Category: Computers

Page: 388

View: 2568

Foundations of Python Network Programming, Third Edition, covers all of the classic topics found in the second edition of this book, including network protocols, network data and errors, email, server architecture, and HTTP and web applications, plus updates for Python 3. Some of the new topics in this edition include: • Extensive coverage of the updated SSL support in Python 3 • How to write your own asynchronous I/O loop. • An overview of the "asyncio" framework that comes with Python 3.4. • How the Flask web framework connects URLs to your Python code. • How cross-site scripting and cross-site request forgery can be used to attack your web site, and how to protect against them. • How a full-stack web framework like Django can automate the round trip from your database to the screen and back. If you're a Python programmer who needs a deep understanding of how to use Python for network-related tasks and applications, this is the book for you. From web application developers, to systems integrators, to system administrators—this book has everything that you need to know.
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Learning Salesforce Visual Workflow and Process Builder

Author: Rakesh Gupta

Publisher: Packt Publishing Ltd

ISBN: 1787281825

Category: Computers

Page: 448

View: 7422

Click your way to automating various business processes using Salesforce Visual Workflow About This Book Develop an application using Point and Click with the help of Flow Get to grips with various ways to launch a Flow Capture data from an external user without using the Visualforce page Save user input into the database, and learn how to query and manipulate the data Discover various ways to debug and deploy Flow and Process Builder Understand the concepts of Subflow and Login Flow Handle complex business processes using Process builder and keep them clean Use existing or new Flows to work with Salesforce Lightning Experience. Who This Book Is For This book is intended for those who want to use Flows to automate their business requirements by clicking, not coding. No previous experience in computer coding or programming is required What You Will Learn Develop an application using point and click with the help of Flow Get to grips with various ways to launch a Flow Capture data from an external user without using the Visualforce page Save user input into the database, and learn how to query and manipulate the data Discover various ways to debug and deploy Flow and Process Builder Understand the concepts of Subflow and Login Flow Handle complex business processes using Process builder and keep them clean Use existing or new Flows to work with Salesforce Lightning Experience. In Detail Salesforce Management System is an information system used in CRM to automate the business processes like sales and marketing. To implement this, Force.com developed a powerful tool called Visual Workflow to automate business processes by creating applications also called Flows. Learning Salesforce Visual Workflow, Second Edition is a practical guide on Flows that will enable you to develop custom applications in Salesforce with minimized code usage. The book starts with an introduction to Visual Workflows that teaches all the building blocks of creating Flows and use it efficiently. You will learn how to easily automate business processes and tackle complex business scenarios using Flows. The book explains the working of the Process Builder so you can create reusable processes. The book also covers how you can integrate existing or newly created Flows with the Salesforce Lightening Experience. By the end of the book, you will get a clear understanding on how to use Flows and Process Builder in your organization to optimize code usage. Style and approach Step by step approch to use Process Builder to solve complex business requirements with the help of Flow
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Ansible

From Beginner to Pro

Author: Michael Heap

Publisher: Apress

ISBN: 1484216598

Category: Computers

Page: 170

View: 5680

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.
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