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Operators are a way of packaging, deploying, and managing Kubernetes applications. A Kubernetes application doesn't just run on Kubernetes; it's composed and managed in Kubernetes terms. Operators add application-specific operational knowledge to a Kubernetes cluster, making it easier to automate complex, stateful applications and to augment the platform. Operators can coordinate application upgrades seamlessly, react to failures automatically, and streamline repetitive maintenance like backups. Think of Operators as site reliability engineers in software. They work by extending the Kubernetes control plane and API, helping systems integrators, cluster administrators, and application develop...
Operators are a way of packaging, deploying, and managing Kubernetes applications. A Kubernetes application doesn't just run on Kubernetes; it's composed and managed in Kubernetes terms. Operators add application-specific operational knowledge to a Kubernetes cluster, making it easier to automate complex, stateful applications and to augment the platform. Operators can coordinate application upgrades seamlessly, react to failures automatically, and streamline repetitive maintenance like backups. Think of Operators as site reliability engineers in software. They work by extending the Kubernetes control plane and API, helping systems integrators, cluster administrators, and application develop...
Ready to build cloud native applications? Get a hands-on introduction to daily life as a developer crafting code on OpenShift, the open source container application platform from Red Hat. Creating and packaging your apps for deployment on modern distributed systems can be daunting. Too often, adding infrastructure value can complicate development. With this practical guide, you'll learn how to build, deploy, and manage a multitiered application on OpenShift. Authors Joshua Wood and Brian Tannous demonstrate how OpenShift speeds application development. With the Kubernetes container orchestrator at its core, OpenShift simplifies and automates the way you build, ship, and run code. You'll lear...
While containers, microservices, and distributed systems dominate discussions in the tech world, the majority of applications in use today still run monolithic architectures that follow traditional development processes. This practical book helps developers examine long-established Java-based models and demonstrates how to bring these monolithic applications successfully into the future. Relying on their years of experience modernizing applications, authors Markus Eisele and Natale Vinto walk you through the steps necessary to update your organization's Java applications. You'll discover how to dismantle your monolithic application and move to an up-to-date software stack that works across c...
Among the many configuration management tools available, Ansible has some distinct advantages: It's minimal in nature. You don't need to install agents on your nodes. And there's an easy learning curve. With this updated third edition, you'll quickly learn how to be productive with Ansible whether you're a developer deploying code or a system administrator looking for a better automation solution. Authors Bas Meijer, Lorin Hochstein, and Rene Moser show you how to write playbooks (Ansible's configuration management scripts), manage remote servers, and explore the tool's real power: built-in declarative modules. You'll learn how Ansible has all the functionality you need--and the simplicity you desire. Explore Ansible configuration management and deployment Manage Linux, Windows, and network devices Learn how to apply Ansible best practices Understand how to use the new collections format Create custom modules and plug-ins Generate reusable Ansible content for open source middleware Build container images, images for cloud instances, and cloud infrastructure Automate CI/CD development environments Learn how to use Ansible Automation Platform for DevOps
Is Kubernetes ready for stateful workloads? This open source system has become the primary platform for deploying and managing cloud native applications. But because it was originally designed for stateless workloads, working with data on Kubernetes has been challenging. If you want to avoid the inefficiencies and duplicative costs of having separate infrastructure for applications and data, this practical guide can help. Using Kubernetes as your platform, you'll learn open source technologies that are designed and built for the cloud. Authors Jeff Carpenter and Patrick McFadin provide case studies to help you explore new use cases and avoid the pitfalls others have faced. You’ll get an in...
In diesem praktischen Leitfaden teilen Brendan Burns und drei weitere Kubernetes-Experten ihre bewährten Vorgehensweisen beim Erstellen von Anwendungen mit Kubernetes mit Ihnen. Sie bündeln jahrzehntelange Erfahrungen aus den unterschiedlichsten Anwendungsbereichen und von Unternehmen, die Kubernetes erfolgreich in der Produktion einsetzen. Konkrete Codebeispiele sowie Strategien zur Fehlervermeidung und -behebung helfen Ihnen bei der Umsetzung in die Praxis.Dieses Buch ist die Übersetzung der zweiten englischen Auflage. Es ist ideal für alle, die mit den grundlegenden Kubernetes-Konzepten vertraut sind und die neuesten Best Practices lernen möchten. Aus dem Inhalt:- Patterns für die Überwachung und Sicherung Ihrer Systeme sowie Verwaltung von Upgrades, Rollouts und Rollbacks- Integration von Diensten und Legacy-Anwendungen - Ausführen von Workloads für Machine Learning in Kubernetes- Sicherstellen der Pod- und Container-Sicherheit- Verstehen von Themen, die für die erfolgreiche Implementierung von Kubernetes immer wichtiger werden, wie z. B. Chaos Engineering/Testing, GitOps, Service Mesh und Observability
This book constitutes the refereed proceedings of the Second International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems, AH 2002, held in Malaga, Spain, in May 2002. The 33 revised full papers and 23 short papers presented were carefully reviewed and selected from 109 submissions. Also included are three invited contributions, 30 posters, and 5 presentations given at the associated doctoral constortium. Among the topics covered are adaptive hypertext and hypermedia, user modeling, adaptive learning, adaptive tutoring systems, information retrieval, educational hypermedia systems, Web adaption, adaptive navigation, adaption and personalization.
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Você procura uma sigla em um texto longo, mas não lembra direito quais eram as letras. Só lembra que era uma sigla de quatro letras. Simples, procure por [A-Z]{4}. Revisando aquela tese de mestrado, você percebe que digitou errado o nome daquele pesquisador alemão famoso. E foram várias vezes. Escreveu Miller, Mueller e Müler, quando na verdade era Müller. Que tal corrigir todos de uma vez? Fácil, use a expressão M(i|ue|ü)ll?er. Que tal encontrar todas as palavras repetidas repetidas em seu texto? Ou garantir que há um espaço em branco após todas as vírgulas e os pontos finais? Se você é programador, seria bom validar dados em um único passo, não? Endereço de e-mail, número IP, telefone, data, CEP, CPF... Chega de percorrer vetores e fazer checagens "na mão". Estes são exemplos de uso das Expressões Regulares, que servem para encontrar rapidamente trechos de texto informando apenas o seu formato. Ou ainda pesquisar textos com variações, erros ortográficos e muito mais! Visite o site do livro: www.piazinho.com.br