Journal
How to Fix Cloudflare DNS Authentication Error 6003
The Great Migration: From Global API Keys to Secure TokensIn the early days of our infrastructure automation, we built a custom Nginx container image. This …
Tutorials & Guides
Hands-on DevOps, Cloud, and Kubernetes tutorials - from setup to production.
Journal
When Upgrades Expose Hidden Problems: The Traefik Deployment Journey
The Discovery An Ancient Version in a Modern StackIt started with a routine check of our infrastructure. We were reviewing our Traefik configuration.A quick check …
Journal
DevOps Story: How We Fixed 92 Blocked Migrations in One Day
Date: November 03, 2025Journey: From Legacy System to Updated VersionDuration: 730 Days Without Updates Prologue: The WakeUp CallIt was early morning when the first alert …
DevOps
How to Deploy website on AWS Amplify
Prerequisites 📋Before starting, make sure you have: Your AWS account Your website files About 45 minutes ⏰ GitHub account 🐙 Step 1: Understanding Git and …
Day -1: Kick Off Cloud Security with AWS Registration
Starting with AWS can seem daunting, but the registration process is straightforward. Below, each image you provided is used to explain every step in detail …
How to Automate Incident Response : How Q Developer Helped Me Automate a Daily Pain Point
AIPowered Incident Reporter: https://mrcloudbook.com/wpcontent/uploads/2025/07/challenge1.gif IntroductionAs a DevOps engineer, I spend countless hours documenting incidents. Every time something goes wrong, I have to manually extract information …
AI
How to Run Docker Model Runner on Ubuntu 24.04
That Awesome AI Model You Found? You Can Run It in 5 Minutes.Ever felt the excitement of discovering a powerful new AI model on a …
DevOps
How to Install docker-ai on Ubuntu 24.04
Supercharge Your Docker Workflow with dockerai: An Interactive Command CompanionTired of forgetting the exact syntax for a docker command? Wish you had a patient tutor …
DevOps
How to Self-Host a Private AI Chat That's Faster Than ChatGPT
SelfHost OpenWebUI with Groq, Docker, and HTTPS on Ubuntu 24.04This guide will walk you through setting up your own instance of OpenWebUI, a userfriendly web …