Скачать или смотреть Unlock Kubernetes with KinD: Single & Multi-Node Explained

Welcome to Unstuck@40s, your go-to channel for breaking through the tech barrier with realtime usecases!! Today, we're diving into the world of Kubernetes with KinD (Kubernetes in Docker), a tool that simplifies the process of setting up Kubernetes clusters.

In this comprehensive tutorial, we explore the essentials of KinD, providing you with the knowledge to quickly deploy both single-node and multi-node Kubernetes clusters. Whether you're experimenting with configurations or scaling your setups, we've got you covered.

Topics Covered in This Video:

📘 Introduction to KinD: Discover what KinD is and its significance in Kubernetes environment setup.
🚀 Setting Up a Single-Node Cluster: Learn how to effortlessly create a single-node Kubernetes cluster using KinD.
🌐 Building Multi-Node Clusters: Step-by-step instructions on configuring a robust multi-node cluster with KinD, employing a detailed configuration file for precise setups.
🔍 Insights on KinD: Unveil a mix of both well-known and lesser-known facts about KinD, enhancing your understanding and utilization of this powerful tool.
Resources:

GitHub Repository: https://github.com/nishantabanik/YT-Video-...

Install Docker: Ensure you have Docker installed as a prerequisite.
https://docs.docker.com/desktop/install/ma...
https://docs.docker.com/desktop/install/wi...
https://docs.docker.com/desktop/install/li...

Install KinD: Follow this guide to install KinD and kickstart your Kubernetes journey.
https://kind.sigs.k8s.io/docs/user/quick-s...

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COMMANDS:

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How to run local multi-node Kubernetes clusters using kind
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Setup #

Install kind (https://kind.sigs.k8s.io/docs/user/quick-s...)

https://github.com/kubernetes-sigs/kind

brew install kind ----- for mac users

choco install kind ----- for windows users

Install Docker Desktop if macOS or Windows, or Docker if Linux

Disable Kubernetes in Docker Desktop


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Creating single-node clusters
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export KUBECONFIG=$PWD/kubeconfig.yaml ----- We're specifying that the kubeconfig file named kubeconfig.yaml located in the current working directory should be used by Kubernetes tools for accessing the cluster.

kind create cluster --name first-cluster

docker container ls

kubectl get nodes


Loading images #

kind load --help


Creating additional clusters #

kind create cluster --name second-cluster

docker container ls

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Deleting clusters
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kind delete cluster --name first-cluster

kind delete cluster --name second-cluster


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Creating Multi-Node clusters
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cat config.yaml or multi-node-cluster.yaml

kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
role: control-plane
role: worker
role: worker


kind create cluster --config multi-node-cluster.yaml

kubectl get nodes

docker container ls


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Creating nginx deployment and accessing it
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kubectl create deployment nginx -image=nginx ---- "This creates a deployment named 'nginx' using the Nginx image from Docker Hub."

kubectl expose deployment nginx -port=80 --type=NodePort ---- Exposing nginx through a NodePort

kubectl port-forward service/nginx 8080:80 ----- forwards port 8080 on your local machine to port 80 on the Nginx service.

Open and access Nginx at http://localhost:8080.

Wait for a while and reload the browser

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Deleting clusters
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kind delete cluster --name kind

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Closing:
Thank you for watching our KinD tutorial. We're excited to help you navigate through Kubernetes and unleash the potential of multi-cloud platforms. Stay tuned for more practical insights and tutorials!