Introduction to Ingress Controllers In Kubernetes, managing external access to services running in a cluster can be challenging. While Services like NodePort and LoadBalancer can expose applications, they lack advanced routing and management capabilities. Kubernetes Ingress solves this by offering a way to configure HTTP and HTTPS routing to services based on hostnames, paths, and […]
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Introduction to Stateful Applications In Kubernetes, most applications are designed to be stateless, which makes them easier to scale and manage. However, there are scenarios where applications need to maintain state, such as databases, message brokers, or distributed systems. Kubernetes provides the StatefulSet resource to manage stateful applications effectively. This guide explores stateful applications, the
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Introduction to Autoscaling Autoscaling is an essential feature in Kubernetes, enabling your applications to handle varying levels of demand by automatically adjusting resources. Kubernetes supports multiple autoscaling mechanisms, including Horizontal Pod Autoscaler (HPA), Vertical Pod Autoscaler (VPA), and Cluster Autoscaler. This guide explores these autoscaling options, their configurations, and practical examples to help you optimize
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Introduction to Kubernetes Networking Networking in Kubernetes is essential for enabling communication between various components of a cluster. Kubernetes provides a powerful and flexible networking model that supports service discovery, communication between Pods, and external access to applications. This guide explains the core concepts of Kubernetes networking, including the Container Network Interface (CNI), Pod-to-Pod communication,
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Introduction to Monitoring and Logging in Kubernetes Monitoring and logging are critical components for maintaining and troubleshooting Kubernetes clusters. Kubernetes offers extensive tools and integrations to monitor performance metrics and capture logs for troubleshooting. This guide introduces the best practices and tools for monitoring and logging in Kubernetes, complete with examples to help you get
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Introduction to Namespaces and Resource Quotas As Kubernetes clusters grow in size and complexity, organizing and managing resources becomes essential. Namespaces and Resource Quotas are powerful tools that allow administrators to segregate resources, enforce usage limits, and maintain a well-organized cluster. This guide will introduce namespaces and resource quotas, their importance, and how to use
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Introduction to Persistent Volumes and Storage Classes In Kubernetes, managing data persistence is essential for stateful applications. Persistent Volumes (PVs) and Storage Classes provide a framework to decouple storage provisioning from application management. This ensures scalability, flexibility, and consistency in how storage is allocated and consumed. This guide dives into the concepts of Persistent Volumes,
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Introduction to ConfigMaps and Secrets In Kubernetes, ConfigMaps and Secrets are essential for managing application configuration and sensitive data. They decouple configuration from application code, ensuring flexibility and security in your deployments. This guide covers the basics of ConfigMaps and Secrets, how to create and use them, and best practices for secure and efficient management.
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Introduction to Services in Kubernetes In Kubernetes, Services act as stable endpoints that connect applications running in a cluster to each other or to external clients. They enable seamless communication between pods, which are ephemeral and can be created or destroyed frequently. This article explores the types of services in Kubernetes and demonstrates how to
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Introduction to Deployments and ReplicaSets In Kubernetes, Deployments and ReplicaSets are essential for managing and scaling applications. They provide a robust way to deploy, update, and maintain your applications in a cluster, ensuring high availability and reliability. This article will guide you through understanding and using Deployments and ReplicaSets, complete with practical examples and commands.
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Introduction to kubectl kubectl is the command-line interface (CLI) tool used to interact with Kubernetes clusters. It allows you to deploy applications, inspect and manage cluster resources, and view logs. Mastering kubectl is essential for effectively managing Kubernetes environments. In this guide, we will cover basic kubectl commands, deploy a pod, and demonstrate how to
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Introduction to Setting Up Kubernetes Kubernetes is a powerful tool for managing containerized applications, but before you can use it, you need to set up your Kubernetes cluster. Whether you prefer a local setup for learning or a cloud-based solution for production, this guide provides a step-by-step approach to getting started with Kubernetes. In this
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Introduction to Kubernetes Architecture Kubernetes, often abbreviated as K8s, is an open-source platform designed to automate the deployment, scaling, and operation of application containers. At its core, Kubernetes operates on a robust architecture that orchestrates containerized applications effectively. Understanding the architecture is vital to leveraging Kubernetes to its full potential. In this guide, we will
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Day 2: Understanding Containers What Are Containers? Containers are lightweight, portable, and self-sufficient environments that encapsulate an application and all its dependencies. Unlike virtual machines (VMs), containers share the host operating system kernel, making them more efficient and faster to start. Containers ensure consistency across different environments—from development to testing to production. Key Characteristics of
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Day 1: Introduction to Kubernetes and the 30-Day Learning Plan Overview of Kubernetes (K8s): What It Is and Why It Matters Kubernetes, often abbreviated as K8s, is an open-source container orchestration platform designed to automate the deployment, scaling, and management of containerized applications. Originally developed by Google, it is now maintained by the Cloud Native
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