Kubernetes

Mastering Advanced Networking in EKS and Kubernetes

Kubernetes has revolutionized container orchestration, and Amazon’s Elastic Kubernetes Service (EKS) is one of the most popular managed Kubernetes solutions available today.

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Docker Deep Dive Series

1. Getting Started In this first part of the series, we will kick things off by getting Docker installed and running on your system.

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Kubernetes Mastery

Part 1. Introduction Welcome to the Kubernetes Mastery Series! In this first part, we’ll set up a Kubernetes cluster using KinD (Kubernetes in Docker).

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Common Issues and Mastering Effective Debugging Techniques

While Kubernetes offers a powerful platform for deploying containerized applications, managing complex clusters can sometimes lead to challenges and errors.

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K8s CI/CD: GitOps with Jenkins, GitLab, Argo CD

Continuous Integration and Continuous Deployment (CI/CD) pipelines are fundamental to the success of Kubernetes deployments , enabling fast and reliable application delivery.

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K8s Monitoring & Logging: Best Practices & Top Tools

Monitoring and logging are critical components of a successful Kubernetes deployment , providing insights into the health, performance, and behavior of your clusters and applications.

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K8s Upgrades & Rollbacks Guide to Compatibility & Strategies

Keeping your Kubernetes cluster up-to-date is crucial for security, performance, and accessing the latest features.

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K8s Pod Scheduling: Node & Pod Affinity Demystified

Efficient pod scheduling is essential to achieving high performance and resource utilization in a Kubernetes cluster.

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Securing Kubernetes: Guarding Against Container Threats

Kubernetes has become the de facto platform for deploying containerized applications , revolutionizing software development.

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K8s Cluster Performance: Resource Optimization Guide

Efficiently managing resources in a Kubernetes cluster is crucial to achieving peak performance and cost-effectiveness.

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K8s Scaling Mastery: Manual, HPA & Metrics APIs

Kubernetes has revolutionized application deployment by providing a scalable and efficient container orchestration platform.

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K8s Storage Demystified: Persistent Volumes & Classes

Kubernetes has become the go-to platform for deploying scalable, containerized applications.

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K8s Networking: Pod Communication and Ingress Demystified

Kubernetes has revolutionized the way we deploy and manage containerized applications .

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Kubernetes ReplicaSets: Scalability & Fault Tolerance

Introduction In Kubernetes, ReplicaSets are a vital resource that enables scalable and fault-tolerant deployments of pods.

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Kubernetes Namespaces: Isolation & Resource Management

Introduction In Kubernetes, namespaces provide a powerful abstraction that allows you to partition and isolate resources within a cluster.

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K8s Cluster Resiliency: Advanced High Availability

Introduction In today’s technology landscape, ensuring the resiliency and high availability of Kubernetes clusters is crucial for maintaining the availability of applications and business continuity.

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K8s Networking Mastery: Advanced Cluster Communication

Introduction Kubernetes has revolutionized container orchestration, enabling the efficient management of complex applications.

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Blue-Green Deployments in Kubernetes: Production & DR

Introduction In today’s fast-paced and highly competitive digital landscape, organizations strive to deliver seamless and uninterrupted services to their customers.

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The Ultimate Guide to Kubernetes Deployment Strategies

Kubernetes has become a popular choice for container orchestration, providing developers with a powerful platform for deploying, scaling, and managing containerized applications.

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Teach me Kubernetes - Part 7 - Sidecar Containers

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a sidecar container is a secondary container that runs in the same Pod as the primary container.

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Teach me Kubernetes - Part 6 - Deployments

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a Deployment is a higher-level abstraction that manages the deployment and scaling of a set of Pods.

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Teach me Kubernetes - Part 5 - Services

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a Service is an abstraction that provides a stable, IP address and DNS name for a set of Pods.

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Teach me Kubernetes - Part 4 - Replication Controllers

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a ReplicationController (also known as a “ReplicaSet” in newer versions of Kubernetes) is a controller that ensures that a specified number of replicas of a Pod are running at any given time.

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Teach me Kubernetes - Part 3 - Pods

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a Pod is the smallest and simplest unit in the cluster.

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Teach me Kubernetes - Part 2 - Nodes

Looking for the entire 7 part guide? Start at the Overview In Kubernetes, a Node is a worker machine that runs containerized applications.

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Teach me Kubernetes - Part 1 - Overview

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

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Types of communication in Amazon EKS

There are multiple types of communication in Amazon EKS environments.

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How to Install App Mesh on AWS EKS

You can follow the steps below to install App Mesh on AWS EKS (Kubernetes).

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[Solved] Kubernetes Namespace stuck in Terminating state

If you have tried to delete a Kubernetes namespace, and it has been hanging in ‘deleting’ for hours on end, it’s likely that you have dangling resources that have not deleted yet.

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How to Force a Redeploy in Kubernetes

If you need to force a redeploy of a deployment in Kubernetes , then you can use the rollout feature.

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How to Restart a Deployment in Kubernetes

If you need to restart a deployment in Kubernetes, perhaps because you would like to force a cycle of pods, then you can do the following:

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How to Create a Horizontal Pod Autoscaler in Kubernetes

If you could like to a create a Horizontal Pod Autoscaler (hpa) in Kubernetes, then you could run the following:

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How to Run a Load Generator on Kubernetes

If you would like to test hpa, Horizontal Pod Autoscaling, or throw some chaos at a specific deployment in Kubernetes , then you could run a Load Generator

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How to Deploy a Metrics Server in Kubernetes

If you would like to deploy a Metrics Server in Kubernetes , then you first need to create a namespace for it to live it, followed by installing the actual metrics server.

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How to create an AWS EKS cluster using eksctl

eksctl dramatically simplifies the creation of AWS EKS clusters, by providing a simple command-line interface.

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How to automatically generate a Manifests file in Kubernetes

If you want to automatically generate a manifest file in Kubernetes, you can do so by using the kubectl run command coupled with a --dry-run to output directly to yaml.

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How to Sort Pods by CreationTimestamp in Kubernetes

If you need to sort a list of your pods by their CreationTimestamp, then do the following:

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How to Jump onto a Kubernetes Pod with Bash

If you want to jump onto a particular Kubernetes Pod and run Bash within it, you can do so as follows:

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How to run Shell Commands in a Kubernetes Cluster

If you would like to run shell commands inside of your Kubernetes cluster, then you can use the kubectl run command.

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How to Update Kubectl Config from AWS EKS

Ever searched for kubectl update config from aws eks and needed a quick result?

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[Solved] Unable to connect to the server: dial tcp: lookup with AWS EKS

If you have received the following error while trying to issue commands to kubectl:

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How to Deploy a Docker Container to Kubernetes

Once you have a Docker container, it is really simple to deploy containers to Kubernetes .

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How to Delete a Secret in Kubernetes

Once you have a secret in Kubernetes, if you know it’s name, you can delete it.

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How to Decode a Secret in Kubernetes

Secrets in Kubernetes are encoded using base64. If you have the secret name, you can ask for its value.

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How to Verify a Secret in Kubernetes

You have created a secret, and would like to retrieve it.

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How to Create a Secret in Kubernetes

Secrets allow applications to not hardcode usernames, passwords or additional information such as hostnames, IP addresses or other protected/sensitive information.

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How to Expose your App through a Service in Kubernetes

Once you have deployed an application into Kubernetes , it will not be available to the outside world.

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How to connect to Bash on a Kubernetes pod

If you find yourself needing to jump into a Kubernetes pod to either diagnose an issue, or run a particular command, you can use the bash connectivity functionality available from kubectl itself.

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How to get the Environment variables in a Kubernetes Pod

In this comprehensive guide, you will learn how to effectively get and list environment variables within a Kubernetes pod .

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How to find out Cluster Info in Kubernetes

In Kubernetes, a cluster is a group of machines working together.

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How to set and use a kubeconfig in Kubernetes

The kubeconfig file is the main configuration file that allows access to a Kubernetes cluster.

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How to Read Kubernetes Secrets

Kubernetes secrets is a great way to store secret values that only Kubernetes can access in your hosted applications.

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How to Run the Kubernetes Dashboard Locally

Kubernetes comes with a pretty nice dashboard to view clusters, worker groups, nodes and pods.

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How to Deploy a Helm “Hello World” app onto Kubernetes

We will create a simple Hello World static HTTP Service using Helm, package it and release it to an AWS EKS Cluster.

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