DPDhananjay Patelinblog.thenanjay.com·Aug 20 · 11 min readLinux Filesystem Hierarchy Explained: A Beginner-to-Advanced GuideIf you have just installed Linux, booted up your machine, opened the terminal, and typed ls /, you were probably met with a wall of cryptic two- and three-letter folder names: bin, etc, usr, var, opt.10
DPDhananjay Patelinblog.thenanjay.com·Aug 4 · 26 min readHow to Install Kubernetes with kubeadm: A 3-Node Cluster, Step by StepIf you've only ever touched Kubernetes through a managed service like GKE, EKS, or AKS, there's a particular kind of clarity that comes from building a cluster with your own hands — one command at a t30
DPDhananjay Patelinblog.thenanjay.com·Dec 17, 2025 · 4 min readThe Big Picture: A Deep Dive into Linux ArchitectureAs DevOps engineers, we often get caught up in the high-level tools—Kubernetes, Docker, Jenkins. We treat the server as a black box that just "runs things." But to truly master the cloud, you have to understand the engine that powers it all: The Linu...00
DPDhananjay Patelinblog.thenanjay.com·Sep 7, 2025 · 4 min readUnderstanding DNS: From Root Servers to resolv.confWhen you type google.com in your browser, it feels instant. But behind the scenes, there’s a powerful system mapping human-readable domains to machine-friendly IPs: DNS (Domain Name System). For DevOps engineers, DNS is more than just theory—it’s at ...00
DPDhananjay Patelinblog.thenanjay.com·Nov 26, 2024 · 4 min readDockerfile Anti-Patterns: What Not to DoDocker is an essential tool for modern software development, offering efficiency and scalability in building, shipping, and running applications. However, writing an efficient and maintainable Dockerfile is not always straightforward. Many developers...00
