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Deploying Kubernetes with kubeadm on CentOS Stream 9: Building a Production-Ready Cluster with Containerd and Calico CNI

By admin June 29, 2026

A guide to deploying a production-ready Kubernetes cluster on CentOS Stream 9 with kubeadm, Containerd runtime, and Calico CNI. Covers real-world tips: proper firewall configuration, etcd backup, node draining during maintenance, and avoiding common cluster setup mistakes.

VMware

VMware Photon OS Deployment Guide: The Optimized Linux for Containers and Cloud-Native Workloads on vSphere

By admin June 26, 2026

VMware Photon OS is a minimal Linux distribution purpose-built for running containers and cloud-native workloads on vSphere. This article shares real-world deployment experience from start to finish: deploying from OVA, configuring networking with systemd-networkd, optimizing Docker, and monitoring across an ESXi cluster.

Python

Kubernetes Automation with Python: Going Beyond kubectl

By admin June 19, 2026

Don't let Kubernetes management become a burden. Learn how to use the Python Kubernetes Client to automate Pods, Deployments, and real-time events efficiently.

Fedora

Podman Pod on Fedora: Group Containers with Kubernetes-native Architecture and Auto-generate systemd Services

By admin June 16, 2026

A guide to using Podman Pod on Fedora to group related containers into a single unit following Kubernetes-native architecture. Covers a real-world WordPress + MariaDB example and how to auto-generate systemd services with podman generate systemd so the Pod starts automatically after a reboot.

Docker

Podman Desktop: A Smooth, Secure, and Lightweight Docker Desktop Alternative

By admin June 10, 2026

Podman Desktop is the perfect Docker Desktop alternative: free, lightweight, and more secure with rootless mode. See our detailed guide for Windows and Linux.

Monitoring

How to Install and Configure Thanos to Scale Prometheus: Long-Term Metrics Storage and Global View Across Multiple Clusters

By admin May 29, 2026

Thanos extends Prometheus with long-term metrics storage on S3/MinIO and a global view across multiple clusters in a single dashboard. A step-by-step setup guide using Docker Compose and Kubernetes, with practical operational tips.

Database

Microservices Configuration Management: Why etcd is the Top Choice?

By admin May 24, 2026

Don't let microservices configuration management become a nightmare. Learn how to use etcd to effectively automate configurations and service discovery.

Virtualization

KubeVirt: Running Virtual Machines Directly on Kubernetes for DevOps

By admin May 17, 2026

KubeVirt bridges the gap between VMs and containers, enabling centralized management on Kubernetes. Explore deployment steps and practical tips to optimize your DevOps infrastructure.

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K8sgpt Guide: Diagnose Kubernetes Clusters with AI in 30 Seconds

By admin May 16, 2026

Save 80% of Kubernetes log debugging time with K8sgpt. Detailed guide on using AI to automatically diagnose CrashLoopBackOff, Ingress, and RBAC errors in just 30 seconds.

Security

Teleport: How I Managed 50+ Servers and K8s Without Using a Single SSH Key

By admin May 14, 2026

Managing SSH keys for dozens of servers is a significant security challenge. This article shares practical experience in deploying Teleport—an SSH alternative using short-lived certificates to centralize Server and Kubernetes management with detailed audit logs.