Kubernetes PV and PVC
Kubernetes PV and PVC: Real-World DevOps Guide Let's approach this from the perspective of an experienced DevOps engineer managing Kubernetes in production. We'll focus on what actually happens when p
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Debugging if app is not accessible
Let’s step into a DevOps war room for a moment. Screens glow, coffee cools, and a service somewhere in the cloud starts acting strange. 🧭⚙️Below are 10 real production scenarios an engineer with ~8 y
Devops scenario i have hosted one app with route53, aws lB, k8s ingress and cluster ip services now i am accessing url and getting 403 error how to decode this issue ?
A 403 Forbidden in a Route53 → AWS Load Balancer → K8s Ingress → Service → Pod chain usually means: Imagine the request to your app as a parcel traveling through many gates. 📦Each gate checks somethi
🧠When pods created form replica set is managed by replicaset so what happenes in behind the scene ?
Excellent question.This confusion is very common and clearing it means you truly understand Kubernetes control-plane vs data-plane.I’ll explain who does what, in what order, and what actually happens behind the scenes, in simple language but deep acc...
10) Cni plugin what is network policy
Great question.These two things (CNI plugin and NetworkPolicy) are the real networking brain of Kubernetes, but people explain them in very confusing ways.I’ll explain them in very lame, simple language, but with deep backend accuracy and research-le...
Linux Network Administrator’s Guide
The Linux Network Administrator’s Guide is designed to provide network administrators with essential commands and practices for configuring, monitoring, and troubleshooting networks on Linux-based systems. This guide covers key aspects of network adm...
8) Service discovery in Kubernetes
Below is a deep, precise, backend-level explanation of Service Discovery in Kubernetes, written in simple language, with real examples, packet flow, and what actually happens inside the cluster.This is exactly the level expected from a senior Kuberne...