MKMithrugan ksinmithrugan-devops.hashnode.dev·2h ago · 3 min readAWS RDS Blue/Green Deployment: Step-by-Step Zero Downtime MySQL Upgrade GuideRecently, I upgraded a production Amazon RDS MySQL database from MySQL 8.0 to MySQL 8.4 LTS using Amazon RDS Blue/Green Deployment. Since this was a production environment serving live users, the prim00
RBRajesh Bindevrajesh.hashnode.dev·2h ago · 10 min readDay 99: Attach IAM Policy for DynamoDB Access Using Terraform | 100 Days of DevOpsContent Today I learned how to provision an Amazon DynamoDB table, create an IAM Role, and attach a read-only IAM Policy using Terraform. Instead of configuring these resources manually through the A00
MTMRIDUL TIWARIinmriduliti.hashnode.dev·1h ago · 6 min readJenkins couldn't clone our repo — until we counted the SSH keysThe Jenkins job had been green for months. Then one morning it just… stopped. Same pipeline, same repo, same server — but the checkout stage hung until timeout. No fancy credential plugin, no stored s00
SJSarthak Jadhavinsarthak-jadhav.hashnode.dev·23h ago · 9 min readAI Gateways Route Requests. They Do Not Understand Context.There is a quiet assumption baked into how most teams think about AI gateways. The assumption is that the gateway's job is to manage the request. Authenticate the caller. Route to the right provider. 11K
ARAnurag Rajincallmeanurag.hashnode.dev·13h ago · 7 min readBuilding an AI-Powered DevOps Copilot with MCP | Day 00 – Project KickoffThat's exactly what this project is about. Last week, while troubleshooting a failed deployment, I found myself doing what most DevOps engineers probably do every day. I opened GitHub Actions/Pipeline00
NDNitin Dhimanindocker-basics-a-beginners-guide.hashnode.dev·15h ago · 10 min readKubernetes Day-11: Persistent Storage in Kubernetes (PV, PVC & StorageClass) | Hands-on GuideContainers are designed to be temporary, but your application data isn't. Imagine you're running a website where users upload images or a database storing customer records. Everything works perfectly 00
OOOluwagbade Odimayoingbadedata.hashnode.dev·11h ago · 6 min readI Told My AI Agent Three Facts, Closed Everything, and Reopened. It Still Knew.Every time you open a fresh Claude Code session, the agent starts blank. No memory of what you decided, what conventions you set, or what you told it an hour ago. Fine for a one-off task. On a project00
HRHritik ranjaninblogs.hritikranjan.in·21h ago · 19 min read🚀 AWS CLI Deep Dive | Complete Beginner Guide (Concepts, Installation & Hands-on Demo)The AWS Command Line Interface (AWS CLI) is one of the most important tools for DevOps Engineers, Cloud Engineers, and System Administrators. While the AWS Management Console (GUI) is excellent for be20
JJJames Joynerinblog.devopsaitoolkit.com·11h ago · 4 min readDocker Networking, Explained by the 5 Errors It Throws at YouDocker networking is one of those topics you can ignore until, suddenly, you can't. Everything runs fine on your laptop, then a container can't reach another container, or a port won't bind, or DNS re00
Bbb-benjaminincloudwithben.hashnode.dev·22h ago · 7 min readMy First Azure Deployment: Resource Groups, VNets, Quota Errors, and SSH (Cloud Journey — Week 4)If you're new here: I'm part of a study group learning cloud (AWS + Azure), guided by a mentor who assigns a hands-on project every week. This is Week 4 — Azure Fundamentals. 📌 Table of Contents The 00