https://dileepkumar.dev/tags/kubeadm/ Recent content in kubeadm on Dileep Kumar https://dileepkumar.dev/papermod-cover.png https://dileepkumar.dev/papermod-cover.png Hugo -- gohugo.io en Mon, 13 Jan 2025 00:30:00 +0530 https://dileepkumar.dev/post/kubernetes-production-cluster-setup/ Mon, 13 Jan 2025 00:30:00 +0530 https://dileepkumar.dev/post/kubernetes-production-cluster-setup/ Introduction Setting up a production-ready Kubernetes cluster requires careful planning and configuration. This guide walks you through creating a multi-node cluster using kubeadm and containerd as the container runtime. Prerequisites Minimum Requirements: 2 GB RAM per machine 2 CPUs per machine Network connectivity between machines Unique hostname, MAC address, product_uuid Swap disabled Recommended for Production: 3+ control plane nodes (HA) 3+ worker nodes 4 GB+ RAM per node Load balancer for control plane Architecture Load Balancer (Optional for HA) ↓ Control Plane Nodes (3) ↓ Worker Nodes (3+) Step 1: Prepare All Nodes On all nodes (control plane + workers):