DevOps & Cloud

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 »

Picture a typical story: an engineer spins up an OTP-extraction mailbox for the CI pipeline in the...

Deploy a production-grade monitoring stack on bare-metal k3s: Prometheus, Loki with Garage S3 storage, Promtail on edge nodes via Ansible, SNMP monitoring for M

Deploy Headscale on a bare-metal k3s cluster with Longhorn persistence, Traefik ingress, and Authelia OIDC authentication — fully GitOps-managed via ArgoCD.

How to get a real external IP on a bare-metal Kubernetes cluster using MetalLB L2 mode, and wire it up with Traefik for automatic HTTPS — fully GitOps-managed w

Every time you type www.google.com and hit enter, your computer doesn't actually know where Google...

How to manage an entire Kubernetes homelab — MetalLB, Traefik, Longhorn, Authelia, and more — as a Git repository using ArgoCD's App-of-Apps pattern.

A deep dive into architecting a Zero-Trust Let's Encrypt automation using Terraform, Azure Private Link, and VNet Integration.

A technical deep-dive into the network security requirements of NIS2 Article 21 and how to implement them in Azure using Terraform — with concrete code, not leg

How to automate wildcard Let's Encrypt certificates on a bare-metal K3s cluster using cert-manager's DNS-01 challenge with Cloudflare — and why HTTP-01 won't wo

How to build an enterprise-grade Azure network architecture that blocks internet traffic by default and survives aggressive DeployIfNotExists (DINE) policies —

The future of DevOps may not be more DevOps. It may be less exposure to DevOps altogether. Continue reading on Medium »

I scaled our dev EKS cluster down to zero overnight to save cost. The next morning it didn't come...

Last year I noticed something frustrating: The more advanced the warning, the more likely developers...

Modern applications need reliable end-to-end testing, but many teams still struggle with flaky tests...

You push v1.2.3 and expect a predictable sequence: tests pass, version resolves, GitHub Release...

Sample repo: https://gitlab.com/cloudfrontvinayak/terraform-reviewer Continue reading on Medium »

A local Docker build suddenly started failing with a MODULE_NOT_FOUND error, while the...

Every regulated bank, insurer and healthcare provider I have worked with keeps a BCDR runbook on a SharePoint that nobody has opened in… Continue reading on Med

Originally published at https://fortem.dev/blog/argocd-alternative/

Originally published at https://fortem.dev/blog/platform-engineering-ecs/

Originally published at https://fortem.dev/blog/ecs-blue-green-deployment-guide/

When starting out in DevOps or backend development, one of the most important milestones is learning how to make an application talk to an… Continue reading on

When starting out in DevOps or backend development, one of the most important milestones is learning how to make an application talk to an… Continue reading on

A practical explanation of SLI, SLO, SLA and Error Budgets using an online store and a single payment transaction. Continue reading on Medium »

Kubernetes pod autoscaling is a crucial feature for efficient resource management in large-scale applications. This blog post shares my experience with Kubernet

Originally published on kuryzhev.cloud You wired an LLM into your incident workflow, gave it...

Sau khi cân nhắc giữa Laptop Chính hãng hay máy xách tay/refurbished, việc quan trọng nhất là làm sao...

Cloud cost optimization articles often focus on reserved instances, storage classes, or rightsizing infrastructure. Continue reading on Medium »

Three of the most recognizable technology companies in the world. Three engineering organizations that collectively serve hundreds of… Continue reading on Mediu