How to Install etcdctl on K8s Control Plane
Learn how to install etcdctl on your Kubernetes control plane and create etcd snapshots for disaster recovery. A complete guide…
Ubuntu Initial Server Setup and Hardening
Secure your new server in minutes. Follow our complete guide to Ubuntu initial Server setup and hardening to protect your…
CKA Exam Practice Test: 12 Real-World Kubernetes Tasks
Preparing for the Certified Kubernetes Administrator (CKA) exam? This CKA exam practice test walks through 12 hands-on tasks covering pods,…
Set Up Two-Node Kubernetes Cluster on Ubuntu with kubeadm
How to set up a two-node Kubernetes cluster on Ubuntu using kubeadm in 15 minutes. Step-by-step guide with real commands…
Install Docker on Ubuntu 26.04: A Comprehensive Guide
Install Docker on Ubuntu 26.04 the right way. Production-tested commands, security checklists, and post-deployment optimizations. Perfect for DevOps teams. Start…
CKA Exam Tasks: Complete Step-by-Step Solutions
Master CKA exam tasks with step-by-step solutions covering Kubernetes cluster management, troubleshooting, workloads, networking, storage, and security. #Kubernetes #CKA #CentLinux…
How to upgrade Kubernetes Cluster – Step by Step Guide
Upgrade Kubernetes Cluster 1.34.0 to 1.35.0 like a CKA pro! Step-by-step guide with zero-downtime strategy. Don’t get left behind—master production-grade…
How to Create a Kubernetes Network Policy
Use Kubernetes Network Policy to Secure your Kubernetes Pods. Learn how to restrict pod-to-pod traffic, block unauthorized access, and enforce…
BIND9: Setup a DNS Server on Ubuntu 26.04
Learn to set up a fast, secure DNS server on Ubuntu using BIND9 with step-by-step commands and troubleshooting tips. Get…
How to Use Karpenter: Kubernetes Autoscaler
Scale faster with Karpenter: Kubernetes Autoscaler—skip slow node groups and provision right-sized compute in seconds. This hands-on guide walks you…
Linux, DevOps, and Kubernetes Hands-on Guides
CentLinux | Linux, DevOps, and Kubernetes Hands-on Guides
True strength is built through resistance, not through comfort. It’s the challenges we face, the obstacles we overcome, and the adversity we endure that shape us into who we’re meant to become.