Mastering Kubernetes Memory Management: Complete Guide to Preventing OOMKills

Introduction In the world of Kubernetes, few issues are as frustrating and potentially disruptive as OOMKills. You’ve built your containerized application, deployed it to your Kubernetes cluster, and everything seems to be running smoothly until, suddenly, your pods start crashing with the dreaded “OOMKilled” status. What happened? Why did Kubernetes terminate your workload? And most … Read more

SSH Hardening: What, Why, and How?

Introduction Secure Shell (SSH) is one of the most widely used protocols for secure remote system administration, providing encrypted communications over potentially insecure networks. Despite its inherent security features, default SSH configurations often prioritize convenience over security. This blog explores SSH hardening through the lens of “what it is,” “why it matters,” and “how to … Read more

Terraform Variables and Precedence

A Beginner’s Guide to Simplify Your Workflow Introduction: When working with Terraform, variables are like building blocks that make your infrastructure code more flexible and reusable. Instead of hard coding values, you can use variables to easily customize configurations for different environments or scenarios. Precedence, on the other hand, determines the order in which Terraform … Read more

Git Rebase Simplified: Step-by-Step Guide for Clean and Linear Version Control History

What is Git Rebase? Rebasing in Git rewrites commit history. It does not merge two branches as merging does. Merging creates a merge commit. Rebasing moves the commits from one branch to the top of another branch’s HEAD. How Does Git Rebase Work? During a rebase, Git picks the changes from your branch and places … Read more