If you’ve ever been asked, “The CPU is only 20%, but the Load Average is 15. What’s happening?”—this article is for you. One of the most misunderstood concepts in Linux is Load Average. Many engineers assume that a high load average automatically means high CPU utilization. In reality, that’s not always true. As a Linux […]
Cloud cost optimization articles often focus on reserved instances, storage classes, or rightsizing infrastructure. This story is about something completely different. A customer experienced a sudden and significant increase in AWS costs. There were no deployments, no infrastructure changes, and no noticeable increase in user traffic. At first glance, nothing appeared wrong. Yet costs continued
Introduction Docker is one of the most important tools in modern software development and DevOps. If you have been hearing about containers, Docker images, and Dockerfiles but are not sure what any of it means — this guide is for you. I will explain Docker from scratch, show you how to install it, and walk
Docker for Beginners — Install and Run Your First Container Read More »
Introduction If you have been learning AWS, you have probably come across the term VPC and wondered what it actually means. AWS VPC (Virtual Private Cloud) is one of the most fundamental services in AWS — and understanding it is essential for anyone working in the cloud. In this guide, I will explain AWS VPC
AWS VPC Explained Simply for Beginners (2026 Guide) Read More »
Introduction If you have been exploring DevOps or software development, you have almost certainly heard the term CI/CD. It is one of the most talked-about practices in modern software development — and for good reason. But what exactly is CI/CD? What problem does it solve? And how does it actually work? In this guide, I
What is CI/CD? Explained for Beginners Read More »