I Set Up a Production-Grade Node.js App on AWS with RDS Multi-AZ — Here’s What Actually Mattered
If you’ve ever had a database crash at 3am and brought down your entire app, you already understand why Multi-AZ exists. I…
linux
7 articles
DevOps
End-to-End DevOps Project for Resume | GitHub Actions + AWS + Docker + EKS
People understand tools differently: A lot of people understand individual tools separately. They may know: but struggle to connect everything together into…
Linux
Linux User Setup & Non-Interactive Shell Explained | Real DevOps Security Practice
When people first start learning Linux for DevOps, user management often feels very basic. Commands like: seem simple initially. But once you…
AWS
DevOps Roadmap 2026 | What You Should Actually Learn to Become a DevOps Engineer
A lot of people starting DevOps get stuck because they try learning everything at once. One day it’s Docker.Next day it’s Kubernetes.Then…
AWS
IP Addressing Fundamentals Explained | Classes, CIDR & AWS VPC Networking
When I first started learning AWS networking and VPCs, the part that confused me the most was IP addressing. Things like: all…
AWS
Real-World AWS Auto Scaling Setup | Watch EC2 Scale Automatically Under Load
When most people first learn AWS Auto Scaling, it feels very theoretical. You may heard terms like: but it’s difficult to understand…
AWS
AWS OpenVPN + VPC Peering Setup | Access Private EC2 Instances Across VPCs Securely
One of the biggest challenges in AWS networking is securely accessing resources inside private subnets. In many real-world environments, production servers are…