Learning Python, 5th Edition, by Mark Lutz
Get a comprehensive, in-depth introduction to the core Python language with this hands-on book. Based on author Mark Lutz’s popular training course, this updated fifth edition will help you quickly write efficient, high-quality code with Python. It’s an ideal way to begin, whether youâ€™re new to programming or a professional developer versed in other languages.
Complete with quizzes, exercises, and helpful illustrations, this easy-to-follow, self-paced tutorial gets you started with both Python 2.7 and 3.3 the latest releases in the 3.X and 2.X lines plus all other releases in common use today. Youâ€™ll also learn some advanced language features that recently have become more common in Python code.
- Explore Python’s major built-in object types such as numbers, lists, and dictionaries
- Create and process objects with Python statements, and learn Python’s general syntax model
- Use functions to avoid code redundancy and package code for reuse
- Organize statements, functions, and other tools into larger components with modules
- Dive into classes: Python’s object-oriented programming tool for structuring code
- Write large programs with Pythonâ€™s exception-handling model and development tools
- Learn advanced Python tools, including decorators, descriptors, metaclasses, and Unicode processing
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The DevOps 2.0 Toolkit: Automating the Continuous Deployment Pipeline with Containerized Microservices
This book is about different techniques that help us architect software in a better and more efficient way with microservices packed as immutable containers, tested and deployed continuously to servers that are automatically provisioned with configuration management tools. It’s about fast, reliable and continuous deployments with zero-downtime and ability to roll-back. It’s about scaling to any number of servers, design of self-healing systems capable of recuperation from both hardware and software failures and about centralized logging and monitoring of the cluster.In other words, this book envelops the whole microservices development and deployment lifecycle using some of the latest and greatest practices and tools. We’ll use Docker, Kubernetes, Ansible, Ubuntu, Docker Swarm and Docker Compose, Consul, etcd, Registrator, confd, and so on. We’ll go through many practices and even more tools. Finally, while there will be a lot of theory, this is a hands-on book. You won’t be able to complete it by reading it in a metro on a way to work. You’ll have to read this book while in front of the computer and get your hands dirty.
The Go Programming Language (Addison-Wesley Professional Computing Series)
The first chapter is a tutorial on the basic concepts of Go, introduced through programs for file I/O and text processing, simple graphics, and web clients and servers.
Early chapters cover the structural elements of Go programs: syntax, control flow, data types, and the organization of a program into packages, files, and functions. The examples illustrate many packages from the standard library and show how to create new ones of your own. Later chapters explain the package mechanism in more detail, and how to build, test, and maintain projects using the go tool.
The chapters on methods and interfaces introduce Goâ€™s unconventional approach to object-oriented programming, in which methods can be declared on any type and interfaces are implicitly satisfied. They explain the key principles of encapsulation, composition, and substitutability using realistic examples.
Two chapters on concurrency present in-depth approaches to this increasingly important topic. The first, which covers the basic mechanisms of goroutines and channels, illustrates the style known as communicating sequential processes for which Go is renowned. The second covers more traditional aspects of concurrency with shared variables. These chapters provide a solid foundation for programmers encountering concurrency for the first time.
The final two chapters explore lower-level features of Go. One covers the art of metaprogramming using reflection. The other shows how to use the unsafe package to step outside the type system for special situations, and how to use the cgo tool to create Go bindings for C libraries.
The book features hundreds of interesting and practical examples of well-written Go code that cover the whole language, its most important packages, and a wide range of applications. Each chapter has exercises to test your understanding and explore extensions and alternatives. Source code is freely available for download from http://gopl.io/ and may be conveniently fetched, built, and installed using the go get command.
RHCSA/RHCE Red Hat Linux Certification Study Guide, Seventh Edition (Exams EX200 & EX300) (Certification & Career – OMG) – 7th edition
Based on Red Hat Enterprise Linux 7, the new edition of this bestselling study guide covers the updated Red Hat Certified System Administrator (RHCSA) and Red Hat Certified Engineer (RHCE) exams.
RHCSA/RHCE Red Hat Linux Certification Study Guide, 7th Edition is fully revised to cover the recently released Red Hat Enterprise Linux 7 and the corresponding RHCSA and RHCE certification exams. This new edition provides complete coverage of all official exam objectives for the new exams.
An integrated study system based on proven pedagogy, this revised bestseller features special elements that reinforce and teach practical skills while preparing candidates for the exam. Each chapter includes step-by-step exercises, Exam Watch and On-the-Job sidebars, Two-Minute Drills, end-of-chapter self tests, and hands-on lab questions. Electronic content includes four complete lab-based practice exams to ensure you’re ready to sit for the live exams.
- Complete coverage of all exam objectives and performance-based requirements related to the exams, including difficult lab-based scenarios
- Electronic content includes four complete lab-based practice exams, two for RHCSA and two for RHCE
- A proven study system for RHCSA and RHCE candidates
Ansible for DevOps: Server and configuration management for humans
Covers Ansible 2.0!
Ansible is a simple, but powerful, server and configuration management tool (with a few other tricks up its sleeve). This book helps those familiar with the command line and basic shell scripting start using Ansible to provision and manage anywhere from one to thousands of servers.
The book begins with fundamentals, like installing Ansible, setting up a basic inventory file, and basic concepts, then guides you through Ansible’s many uses, including ad-hoc commands, basic and advanced playbooks, application deployments, multiple-provider server provisioning, and even Docker orchestration! Everything is explained with pertinent real-world examples, often using Vagrant-managed virtual machines.