DevOps & Cloud

If you have used Docker before, you have probably written FROM ubuntu or FROM node at the top of a Dockerfile without thinking twice about… Continue reading on

Every git push to main auto-builds, tests, and deploys your Node.js app to ECS. Here’s the complete working pipeline. Continue reading on Medium »

Most writing about agentic DevOps describes what is theoretically possible. This guide describes what is actually running in production at… Continue reading on

A Cloud Run + Firebase App Check CORS postmortem Continue reading on Medium »

Discover the missing visual calendar that finally lets you manage cron and timedelta DAGs like a human. Continue reading on Data Engineer Things »

Learn While, For, and Until Loops in Linux Shell Scripting Continue reading on Medium »

A practical handbook for DevOps Engineers, Platform Engineers, and SREs who manage production systems daily. ☸️☁️ Continue reading on Medium »

The branching strategy that saved our team from chaos, broken deployments, and endless pull request battles Continue reading on Medium »

Testing the Limits of Massive Transfer rates and Local SSH Speeds Continue reading on Tech Learner’s Journal »

How Quorum's failover layer works on Amazon Aurora DSQL multi-region clusters, an honest account of what the chaos demo simulates and what it does not, and wher

Your cluster is available, scalable, fast, and backed up. Now you need to add one column — without taking it all down. Continue reading on Medium »

The pattern in this article works with any MCP host that lets you configure the spawn command for each server — Cursor, Claude Desktop, VS… Continue reading on

Five non-obvious query patterns that replace expensive third-party log tools, drawn from real incident investigations at scale. Continue reading on Medium »

When your user base grows faster than your infrastructure, you have two options. Spend money you do not have. Or think differently. Continue reading on Medium »

You lock it, version it, and panic when it breaks — but you’ve never tested restoring it. Continue reading on Medium »

PLUS: Japan’s space truck is back in business; Zoho's DIY servers; Record tech exports for Korea, and more!

Devcontainers are great for reproducible, isolated dev environments. The one thing they tend to ruin? The polished, app-like coding… Continue reading on CodeX »

Devcontainers are great for reproducible, isolated dev environments. The one thing they tend to ruin? The polished, app-like coding… Continue reading on CodeX »

Claude is genuinely useful for production Linux troubleshooting — when you use it right. Here's the...

Pas de jargon inutile, pas de théorie abstraite. Juste les concepts qu’il faut maîtriser pour comprendre ce qui se passe quand tu fais… Continue reading on Medi

I Got GitLab and Airbyte Running Locally in Under 30 Minutes, then Built BootProof to Prove It Every...

I passed the Certified Kubernetes Security Specialist (CKS) exam, and recently I was reflecting on the preparation strategy that helped me… Continue reading on

We are shipping @hazeljs/agent 1.0.1 — a patch release focused on operational durability, resilience...

This is the fourth article in a series on the permanent principles of enterprise infrastructure engineering. Start with Herding Cats for… Continue reading on Me

You ever get that feeling, you know, when your monitoring setup actually feels heavier than the app it’s supposed to be, like, watching? Continue reading on Med

TL;DR: You’ve built an awesome frontend app. You have a Kubernetes cluster. But setting up HTTPS with...

You just deployed a bug that crashes your payment service: Part 8 Continue reading on Medium »

If you do a task on a server more than twice, you should automate it. Continue reading on Medium »

How I integrated Wazuh with Keycloak using SAML, group-based access, and Wazuh RBAC mapping. Continue reading on Medium »

Tools I actually keep on every machine I work on. Continue reading on Medium »

A deep-dive into RFC1918 address exhaustion, dual-stack infrastructure, and the tricky EKS launch template bug that almost stopped us. Continue reading on Mediu

A practical guide to building a maintainable Wazuh deployment repository using upstream roles, wrapper roles, and inventory-driven files. Continue reading on Me

I have a two-node Harvester cluster and It runs VMs, manages storage and handles whatever workloads I throw at it. Continue reading on Medium »

Kafka KRaft mimarisinde Controller ve Broker podlarının görevleri, controllerOnly yapılandırmaları ve production ortamları için önerilen… Continue reading on De

Building a Production-Ready AWS VPC with Terraform: Multi-AZ Design, NAT Gateways, VPC Endpoints, and Flow Logs Continue reading on Medium »

Running Obsidian community plugins inside Flatpak's sandbox is harder than it looks. Two battle stories — SSH agent scope isolation and a stdin JSON-RPC trap fr

Here's a counterintuitive thing I ran into building redundancy for DoSync, an open protocol that lets...

You pushed a commit, opened the Actions tab, and there's nothing there. No red X, no yellow dot — the...

A billing change lands tomorrow that meters background model calls separately from interactive work. My subscription was safe. one quiet automation was not. Wha

For a long time, I believed monorepos were overkill. They seemed like something only “big companies”...

Logging is one of the three pillars of observability in distributed systems. As such, we have seen an explosion of popular open-source… Continue reading on Medi

I still remember the first time I deployed an application directly to production. Continue reading on Medium »

No experience needed. If you can open a terminal, you can learn SSH today. Continue reading on Medium »

A practical breakdown of Application, Network, and Gateway load balancers, their system design trade-offs, and how to choose the right one… Continue reading on

Friday evening. Health monitor complete: real-time scoring working (overall health 74/100 = GOOD), 3 active alerts generated (1 critical… Continue reading on Me

Quick Answer: Distributed tracing solves microservice debugging by attaching a unique Trace ID to...

From how a pod finds another service to the six plugins that matter in production: a complete, practical breakdown. Continue reading on Medium »

How I stopped reacting to failures and started letting systems explain themselves. Continue reading on Top Python Libraries »