🔐 Kubernetes - Secrets
The Right Way to Handle Sensitive Data
Apr 1, 20268 min read
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Kubernetes - ConfigMaps
ConfigMaps Deep Dive: Creation Methods, Consumption Patterns, and Lifecycle Tips
Feb 21, 202618 min read
Block Storage vs File Storage: The RWX Truth
The architectural reason behind RWO, RWX, and multi-node storage in Kubernetes
Feb 12, 20264 min read
Kubernetes - Volumes - Part-2
Understanding PVs, PVCs, and Kubernetes Storage Classes
Feb 5, 202610 min read
Kubernetes - Volumes - Part-1
emptyDir, hostPath
Feb 1, 20268 min read
Linux CPU Performance Analysis with BPF Tools: A Practical Runbook
Recently, I got a chance to read BPF Performance Tools to brush up on my Linux skills. During my exploration, I came across some common CPU tools used for troubleshooting performance issues. I decided to create a runbook a practical guide that I (or ...
Oct 21, 20257 min read
DinD (Docker in Docker)
🚧 Problem Statement Imagine you're running a Jenkins server inside a Docker container. Everything works fine—until your CI pipeline tries to execute docker build or docker push. Suddenly, your workflow fails. But why 🔍 Root Cause Docker commands li...
Jul 19, 20253 min read
Learning By Doing Golang - ToDo App Part 3.1 - Application Layer (Core Logic)
Now that we've set up our database and created the schema for our ToDo app, it's time to focus on the core logic — what we call the Application Layer of the ToDo app. If you're just joining the journey, you can follow the entire series from here: 🧠 ...
Jun 21, 202511 min read
Fixing ALB Unhealthy Targets Caused by OpenSearch Restarts
🔍 Before We Begin Before diving into the actual problem and its solution, let’s take a moment to understand what OpenSearch is and where it's commonly used. 📌 What is OpenSearch? Where is it Used? OpenSearch is an AWS-managed service based on the o...
Jun 8, 202510 min read