MNMegharaj Narkhedeinmegharaj.hashnode.dev·Jan 10 · 12 min readComplete Guide to DNS: How Nameservers and Records Work ?What is DNS? The Domain Name System (DNS) is the Internet’s “phonebook,” translating human-friendly domain names into machine-readable IP addresses. Without DNS, we’d have to memorize long strings of numbers to access websites. Example: Google You t...00
MNMegharaj Narkhedeinmegharaj.hashnode.dev·Dec 17, 2025 · 2 min readBuilding Scalable IAM User Management with TerraformOne of the most common operational challenges is managing IAM users at scale especially when teams grow and roles change frequently.This blog walks through a clean, production-ready architecture to handle bulk IAM user creation, group assignment, and...00
MNMegharaj Narkhedeinmegharaj.hashnode.dev·Dec 10, 2025 · 3 min readTerraform Data Source Architecture and Real-Time Example for Cloud EngineersWhen working with Terraform, you’ll often create new cloud resources like EC2 instances, VPCs, or S3 buckets. But what if you need to use something that already exists in your cloud account?This is where Terraform Data Sources become extremely useful...00
MNMegharaj Narkhedeinmegharaj.hashnode.dev·Dec 9, 2025 · 3 min readDay 11 Terraform Functions Making Your IaC SmarterTerraform functions help us transform, calculate, and validate values inside .tf files.They remove hardcoding and make your infrastructure dynamic, clean, and production-ready. Terraform contains 100+ built-in functions like:String functionsNumeric f...00
MNMegharaj Narkhedeinmegharaj.hashnode.dev·Dec 4, 2025 · 2 min readDay 10 Understanding Terraform Expressions1. Terraform Expressions Expressions let Terraform compute values dynamically usingvariables, functions, operators, and resource attributes. Example Automatically create an S3 bucket name with environment: bucket = "${var.env}-project-logs" If var.e...00