kubernetes 
Building a Production Kubernetes Cluster on Bare Metal
A complete walkthrough for setting up a 3-node on-premise Kubernetes v1.35 cluster on Ubuntu 24.04 with Calico CNI, MetalLB, NGINX Ingress, and local-path storage.
Kubernetes Troubleshooting Guide for Operators and Administrators
A comprehensive, production-focused Kubernetes troubleshooting guide covering pods, services, storage, nodes, networking, RBAC, and control plane issues with runbook-style diagnostic steps and resolution strategies.