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Blog Series Exploring Kubernetes: Local Cluster Setup Using Minikube



Welcome back to our Kubernetes series! Last week, we explored the basics of Kubernetes. This week, we're diving into setting up a local Kubernetes cluster using Minikube. Minikube is a tool that lets you run Kubernetes locally, making it an excellent option for development and learning.


What is Minikube?


Minikube is a lightweight Kubernetes implementation that creates a virtual machine on your local machine and deploys a simple Kubernetes cluster. It supports most Kubernetes features and is perfect for developers who want to test Kubernetes locally before deploying to a production cluster.



Prerequisites


Before we get started, ensure you have the following installed on your machine:


Virtualization: Ensure your system supports virtualization (VT-x or AMD-v).

Hypervisor: Install a hypervisor like VirtualBox, Hyper-V, or Docker.

kubectl: The Kubernetes command-line tool. You can download it from here [https://kubernetes.io/docs/tasks/tools/].

Minikube: You can download Minikube from below command .


For Linux User:


curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64

sudo install minikube-linux-amd64 /usr/local/bin/minikube && rm minikube-linux-amd64



For Windows User:


winget install minikube


OR


Download the .exe installer in your system and set ENV


https://storage.googleapis.com/minikube/releases/latest/minikube-installer.exe


For Mac User:


curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-darwin-amd64

sudo install minikube-darwin-amd64 /usr/local/bin/minikube


I installed it in my V-Box_6 + Ubuntu-22.0


Step-by-Step Guide to Setting Up Minikube


1. Install Minikube


curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64

sudo install minikube-linux-amd64 /usr/local/bin/minikube


2. Start Minikube


minikube start --driver=docker


3. Verify Minikube Installation


minikube status


4. Now Interact with Minikube using kubectl which we Installed earlier.


kubectl get nodes


5. Deploy You First Application


$ kubectl create deployment hello-minikube --image=k8s.gcr.io/echoserver:1.4


Expose the deployment as a service:


$ kubectl expose deployment hello-minikube --type=NodePort --port=8080


Get the URL of service:


$ minikube service hello-minikube --url


6. Enable Dashboad of Minikube


$ minikbe dashboard --url


Troubleshooting Common Issues


Virtualization Not Enabled: Ensure virtualization is enabled in your BIOS settings.

Minikube Start Failures: Try starting Minikube with a specific driver, e.g., minikube start --driver=virtualbox OR minikube start --driver=docker

Resource Constraints: Adjust CPU and memory allocation for Minikube using the --cpus and --memory flags, e.g., minikube start --cpus=2 --memory=2048.



Url's


https://minikube.sigs.k8s.io/docs/start/?arch=%2Fmacos%2Fx86-64%2Fstable%2Fbinary+download

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