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Learn Kubernetes with The Kubernetes Book by Nigel Poulton: A Comprehensive Guide for 2021

The Kubernetes Book Nigel 13: A Review

The Kubernetes Book Nigel 13 is a book that aims to teach you everything you need to know about Kubernetes, the popular platform for deploying and managing containerized applications. Whether you are a beginner or an expert, this book will help you understand the core concepts, architecture, and features of Kubernetes, as well as how to use it in real-world scenarios. In this article, we will review the book and its author, Nigel Poulton, and see how it can help you master Kubernetes.

What is Kubernetes and why should you learn it?

Kubernetes is an open-source system that automates the deployment, scaling, and management of containerized applications. It was originally developed by Google, based on their experience of running billions of containers per week. It is now maintained by the Cloud Native Computing Foundation (CNCF) and supported by a large community of contributors and users. Kubernetes has many benefits for cloud-native applications, which are applications that are designed to run on distributed systems using microservices architecture. Some of these benefits are: - Portability: Kubernetes allows you to run your applications on any cloud platform or your own data center, without changing your code or configuration. You can also migrate your applications across different environments with ease. - Scalability: Kubernetes can automatically scale your applications up or down based on the demand or resource availability. You can also define horizontal or vertical scaling policies for your applications based on metrics or events. - Reliability: Kubernetes ensures that your applications are always available and resilient to failures. It can restart crashed containers, reschedule them to healthy nodes, balance the load across nodes, and perform rolling updates without downtime. - Efficiency: Kubernetes optimizes the utilization of your resources by packing multiple containers on a single node, reducing the overhead of running multiple virtual machines. It also allows you to specify resource limits and requests for your containers, ensuring fair allocation and preventing starvation or contention. Kubernetes is one of the most popular and widely used platforms for cloud-native applications. According to the CNCF survey in 2020, 83% of respondents use Kubernetes in production, up from 58% in 2018. Learning Kubernetes can help you develop, deploy, and manage modern applications that are scalable, reliable, and efficient.

The challenges of Kubernetes and how to overcome them

Kubernetes is not without its challenges. Some of these challenges are: - Complexity: Kubernetes has a steep learning curve and requires a lot of knowledge and skills to use it effectively. It has many components, concepts, objects, and commands that you need to understand and master. It also has many configuration options and parameters that you need to tune and optimize for your specific use cases. - Security: Kubernetes exposes a large surface area for potential attacks and vulnerabilities. You need to secure your cluster, your nodes, your containers, your network, your data, and your access. You also need to comply with the security policies and regulations of your organization and industry. - Maintenance: Kubernetes requires constant monitoring and maintenance to ensure its health and performance. You need to keep track of the status and metrics of your cluster, nodes, pods, services, and other resources. You also need to update and patch your Kubernetes version and components regularly to fix bugs and vulnerabilities. To overcome these challenges, you need a reliable and comprehensive source of information and guidance that can help you learn and master Kubernetes. This is where The Kubernetes Book comes in.

What is The Kubernetes Book and who is Nigel Poulton?

The Kubernetes Book is a book written by Nigel Poulton, a best-selling author and video trainer who specializes in Docker and Kubernetes. He has over 20 years of experience in IT and has taught thousands of people how to use these technologies through his books, courses, podcasts, and blogs. The Kubernetes Book is one of his most popular books, with over 100,000 copies sold worldwide. It was first published in 2017 and has been updated every year since then to reflect the latest versions of Kubernetes and the latest trends in the cloud-native ecosystem. The latest edition, published in April 2021, covers Kubernetes 1.20+ and includes four new chapters on Namespaces, Ingress, RBAC, and the Kubernetes API. The Kubernetes Book is designed to help you learn Kubernetes from the ground up, starting from the basics and progressing to the advanced topics. It covers everything you need to know about Kubernetes, such as: - Kubernetes architecture and components - How to install and configure Kubernetes - How to create and manage pods, services, deployments, replicasets, daemonsets, statefulsets, jobs, cronjobs, configmaps, secrets, volumes, persistent volumes, persistent volume claims, storage classes, horizontal pod autoscalers, network policies, service accounts, roles, role bindings, cluster roles, cluster role bindings - How to use kubectl commands and the Kubernetes API - How to secure Kubernetes with TLS certificates, encryption keys, authentication methods - How to troubleshoot Kubernetes with logs

How does The Kubernetes Book help you master Kubernetes?

The Kubernetes Book helps you master Kubernetes by providing clear and friendly explanations of Kubernetes concepts and features. It also provides updated and relevant examples of how to use Kubernetes in real-world scenarios. It also offers additional resources and tips for further learning. Some of the ways that The Kubernetes Book helps you master Kubernetes are: - Clear and friendly explanations: The book explains every concept and feature of Kubernetes in a simple and easy-to-understand way. It uses diagrams, tables

The Kubernetes Book Nigel 13


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