Build a Real Kubernetes Cluster with kubeadm in 20 Minutes | Vagrant | VirtualBox | CKA Lab Setup
Setting up a Kubernetes cluster manually is painful. Every tutorial assumes you already have one running. 😅
So I built a fully automated multi-node Kubernetes cluster using Vagrant + VirtualBox — and made it completely dynamic.
Here's what makes it different:
One YAML file controls everything — nodes, RAM, CPU, IPs, CIDRs
Add a 4th (or 5th) worker node by copying 5 lines in cluster.yaml
Live progress bars in the terminal so you always know what's happening
Calico CNI auto-configured — no manual networking setup
From zero to a working cluster in under 20 minutes
I made a full walkthrough video showing exactly how it works — setup, provisioning, and testing the cluster end to end.
GitHub: https://github.com/Ruhanyat-994/kubea...
If you're learning Kubernetes, this is the fastest way to get a real multi-node cluster on your laptop — no cloud bills, no surprises.
#Kubernetes #DevOps #Vagrant #VirtualBox #Kubeadm #Calico #CloudNative #Infrastructure #OpenSource #K8s