DevOps & Cloud

You locked down the network path. But did you lock down what’s accessible through it? Continue reading on Technogise »

I’ve spent the last 8 years responsible for Linux servers in production. These are the silent killers that caused the worst outages of my… Continue reading on S

After managing Linux servers for 8+ years across multiple companies, these are the most painful production incidents I’ve seen — and… Continue reading on Engine

Redis looks simple until it starts costing you money. Here’s the complete playbook I use across every production environment I touch. Continue reading on Stacka

A comprehensive guide to building a microsecond-latency inventory engine that scales instantly and costs nothing while idle. Continue reading on Medium »

The Night Redis Started Breaking Everything Continue reading on Medium »

 FREE full access on: LovinData — Simplified Full Stack Data Engineering Continue reading on Medium »

In this real-world based project, I acted as a Cloud Specialist in a project to migrate application and database into an intercontinental… Continue reading on M

You have mastered Git, you understand deployment pipelines, and you can confidently package applications using Docker. But there is still… Continue reading on M

In this workshop, we’ll explore how to deploy and manage a Kubernetes cluster using GitOps and FluxCD. In a previous article, I covered… Continue reading on Med

NGINX Rift is critical. Unpatched in the abandoned controller that half of cloud native runs. The only fix you can buy comes from a vendor… Continue reading on

On testing configuration, contracts, and startup conditions — not just business logic. Continue reading on Medium »

Hard limits, scaling lags, and the architectural walls that no support ticket can fix. Continue reading on Medium »

A few years ago, observability was relatively simple. Most teams had a Prometheus instance scraping metrics from a handful of services… Continue reading on Medi

Guide for 12th task of 100 Days of Devops from KodeKloud Continue reading on Medium »

Kubernetes Internals, API Writes, And Reconciliation Loops Continue reading on Medium »

The small Terraform concept that quietly made our infrastructure cleaner, safer, and easier to scale Continue reading on Medium »

Last week I asked a simple question in our architecture review: Continue reading on Medium »

Building a software application locally is just the first step. To make your application truly useful, you must store user data safely in… Continue reading on M

The server is down. It is 2 AM. Your phone is lighting up with alerts. You SSH in, fingers already moving from muscle memory, and in the… Continue reading on Me

A Beginner-Friendly DevOps Project with Real-World Examples Continue reading on Medium »

Stop wasting your CPU cores. Learn how to deploy a resilient, multi-core Node.js architecture. Continue reading on Medium »

One query. A production database on its knees. Here’s how we survived it and what it taught me about the gap between knowing systems and… Continue reading on Me

It’s 2:17 a.m. PagerDuty says checkout is failing. You have CloudWatch, Logs Insights, the last deploy in GitHub Actions, and Slack open… Continue reading on Me

Some of the codes are given below. The non user of Linux can avoid this read. Continue reading on Medium »

This article covers AWS DevOps Agent — the ops-focused autonomous incident agent. Continue reading on Medium »

Step 1: Buy Domain on GoDaddy Continue reading on Medium »

I’ve been running a homelab for about 10 years now. I like the convenience of public clouds, but I don’t trust relying entirely on some… Continue reading on Med

I’m not new to Kubernetes. Certified my way through most of what the CNCF has to offer. And yet this specific setup, a proper local… Continue reading on Medium

Declarative delivery is great. Production incidents do not give rats ass about your philosophy. Continue reading on Medium »

“Frontend + Backend” is no longer enough to call yourself full-stack. Continue reading on Medium »

One of the first things engineers learn in Kubernetes is: Continue reading on Medium »

I asked myself this question seriously for the first time while staring at a Kubernetes node utilisation dashboard at eleven o’clock on a… Continue reading on M

Most DevOps roadmaps on the internet are outdated. The courses are old, the tool recommendations are stale, and nobody tells you which… Continue reading on Medi

There are few things more frustrating in infrastructure debugging than a problem that makes absolutely no sense. Continue reading on Medium »

Managing an enterprise network infrastructure requires absolute visibility. When you are responsible for monitoring hundreds of switches… Continue reading on Me

Veriyle aram hep iyiydi. Ama ürünü gerçek dünyaya çıkarma sırası gelince, hiç bilmediğim bir dünyayla karşılaştım: container’lar, portlar… Continue reading on M

Most automation projects start small. Continue reading on Medium »

A hands on walkthrough of building a production-ready load-balanced infrastructure from scratch Continue reading on Medium »

Terraform 1.15 is not a single-headline release. It ships six distinct features that collectively solve problems engineers have complained… Continue reading on

When you spin up a fresh Ubuntu server, it comes insecure by default. Root login is enabled. SSH accepts passwords. There is no firewall… Continue reading on Me

It is an experience every software engineer knows all too well: you make a completely unrelated minor enhancement, trigger a standard… Continue reading on Mediu

I’ll be honest. For a long time, my mental model of Docker was: it’s packaging. Continue reading on Medium »

I’ll be honest. For a long time, my mental model of Docker was: it’s packaging. Continue reading on Medium »

Writing Dockerfiles is one of the first skills every DevOps engineer learns. Continue reading on Medium »

Every dead end, every traceback, every fix — from zero to a working Telegram notification system for Cloudflare R2 Continue reading on Medium »

Many of you know that I am a teacher. I am also a creator and builder. I like building tools that help me do my work better. Continue reading on Medium »

If you’ve been building enterprise Azure environments for a few years, you remember when PaaS networking was simple: absolutely no public… Continue reading on M