Building a production Lambda function that monitors IAM access keys and sends automated email alerts using boto3 and AWS SES. Scenario In my project, we have over 10+ users with access keys. Most of the access keys were 300–400 days old.…
Master SSL Termination Strategies for Secure, High-Performance Web Applications SSL termination is a critical decision that impacts your application’s security, performance, and compliance posture. Whether you’re running a simple web app or a complex microservices architecture, understanding how SSL termination…
Kubernetes has become the de facto standard for container orchestration, but mastering its complexities requires understanding edge cases and production scenarios that go beyond basic tutorials. Whether you’re preparing for a senior DevOps engineer interview or want to deepen your…
Day 1: Kubernetes Architecture Understand the fundamental components of Kubernetes architecture including control plane and worker nodes. Day 2: Core Principles Learn key Kubernetes concepts like declarative configuration and desired state management. Day 3: Kubectl Command Basics Master essential kubectl…
YAML (YAML Ain’t Markup Language) has become the backbone of modern DevOps tooling. From Kubernetes to GitHub Actions, mastering YAML is essential for anyone working in technology today. In this guide, I’ll walk you through YAML’s core concepts using familiar…
𝗔 𝗗𝗲𝘃𝗢𝗽𝘀 𝗥𝗼𝗮𝗱𝗺𝗮𝗽 𝗧𝗵𝗮𝘁 𝗔𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗪𝗼𝗿𝗸𝘀 In today’s competitive tech landscape, DevOps engineers remain in high demand with salaries continuing to rise. As cloud adoption accelerates and companies embrace automation, the need for skilled DevOps professionals has never been greater.…
Docker: Commands Cheat Sheet Docker image commands $ docker images # List all images. $ docker pull <image> # Pull an image from Docker Hub. $ docker build -t <name>:<tag> . # Build image from Dockerfile in current directory. $…
Linux for DevOps Engineers: The Essential Skills Roadmap You Actually Need Introduction: Why Linux Skills Matter in DevOps In the world of DevOps, Linux has established itself as the backbone of modern infrastructure. Whether you’re managing cloud deployments, configuring CI/CD…
Are you looking to start or advance your career in DevOps? This guide will help you understand the essential skills you need to succeed in the fast-growing field of DevOps in 2025. What is DevOps? DevOps combines software development (Dev)…
Learn how to implement DevSecOps in your infrastructure as code using Terrascan. This step-by-step guide covers installation, scanning, custom policies, and CI/CD integration to prevent security misconfiguration. You are making a big mistake by not scanning your Terraform for vulnerabilities…
While working on large projects, I encountered many Terraform repositories with no documentation. Going through each repository’s code to understand what it does is painful. I always wished for a genie to come out of a bottle and document everything…
How I switched to DevOps from a Linux support role in just 4 months In 2022, I was 31 years old and stuck in a USA-based MNC doing Linux support work. I had wasted years of my career working the night…
Are you still using AWS access keys and secrets to authenticate your GitHub Actions with AWS in 2025? Please don’t. Unless you want to wake up someday with 1000 GPU machines mining Bitcoin in your account at your expense, footing…
Learn how to deploy a practical EC2 auto-tagging solution on AWS Lambda while mastering fundamental serverless concepts In today’s cloud-first world, developers are constantly seeking ways to build scalable applications without the operational burden of infrastructure management. AWS Lambda—the serverless…
When deploying containerized applications on AWS, you’ll likely find yourself deciding between Amazon Elastic Container Service (ECS) and Amazon Elastic Kubernetes Service (EKS). Both services offer robust container orchestration capabilities, but they cater to different use cases and technical requirements.…
Are you looking to deploy containerized applications on AWS without the complexity of Kubernetes? AWS Elastic Container Service (ECS) offers a fully managed solution that simplifies container orchestration while providing scalability and high availability. In this comprehensive guide, we’ll walk…
In the evolving landscape of Infrastructure as Code (IaC), Terraform has become the industry standard for provisioning and managing cloud resources. While many engineers can write basic Terraform code, senior-level positions require deep expertise in handling complex scenarios, troubleshooting, and…
A step-by-step guide to adding free, self-managed SSL certificates to your Kubernetes application Running On EKS This is the second part of the blog post I had written on Advanced Kubernetes Tutorial Every DevOps Engineer Has Been Searching For, where I…
Deploying a production-ready 3-tier (React frontend+Flask backend+Postgres)application on AWS EKS with real-world setup (EKS, RDS, ALB, Route53, OIDC, IAM, EC2) If you’re in the tech space in 2025, you must have heard the term Kubernetes. If you haven’t, then something…
Why Docker Bake is the Smarter Way to Build and Manage Docker Images Do you enjoy remembering the docker build commands with all the different flags, and arguments? Well, I never did. I had to google the flag and arguments whenever…