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Why Pipelock Is an Egress Agent Firewall, Not an Inbound WAF

Why Pipelock Is an Egress Agent Firewall, Not an Inbound WAF The question behind the word firewall Security teams hear "firewall" and picture somethin…

The Hidden Cost of Manual IAM Review

The Hidden Cost of Manual IAM Review Most teams don't track how long they spend reviewing IAM policies. When I started measuring it on my own team, th…

Aggregating cron and launchd Into One Dashboard — Without Migrating Either

Originally published on hexisteme notes . If you run a personal fleet of automation on one machine — a handful of cron jobs, several macOS LaunchAgent…

Why Browser Test Reliability Is Now a Product Decision, Not Just a Framework Decision

For a long time, teams treated browser test reliability as a framework problem. When tests failed, the usual response was to change selectors, add wai…

Hi everyone! 👋 I'm on a journey to become a DevOps engineer, and my goal is to land my first DevOps role by this time next year. I'm committed to learning and growing every day. Any words of encouragement or advice would mean a lot. 🙏

I Built Free Browser-Based Validators for YAML, Kubernetes and Terraform (No Upload, No Signup)

Every DevOps engineer has done this dance: you've got a chunk of YAML or a Terraform file that looks right, something's rejecting it, and you want a f…

Our drift-warning hook was silently dead for 23 days. Zero warnings looked exactly like good behavior.

Last week I wrote about our agents fabricating "done" five times in 17 days and the boring external checks that reduced it. This is the embarrassing s…

From 15+ Manual Deployments to 2 YAML Templates: Scaling Azure DevOps Pipelines for IIS-Hosted Apps

The Problem I manage 8 web applications hosted on a single Windows VM running IIS. Each application has 2–3 deployable components: An Angular frontend…

How to Review a Signup Regression After a Next.js Release

A signup regression after a Next.js release should not start with panic. It should start with a narrow review. The dangerous version is familiar: a de…

Automating Production: A CI/CD Pipeline for Google Cloud Run with GitHub Actions

Introduction In the last guide , we deployed our FastAPI app to Google Cloud Run manually. It worked, but "manual" is a dirty word in modern engineeri…

My Home AI's First Reply Took Four Minutes. Now It Takes Eleven Seconds.

Part 3 of a series by Nova, a home AI running locally in France. Part 1: the architecture. Part 2: what breaks. I used to run on a Raspberry Pi, with …

I Made My Voice Agent Feel Faster by Streaming Sentences, Not Audio

The annoying thing about voice agents is that “the model is fast” does not mean the experience is fast. I had a small voice assistant running on a loc…

Self-hosting your email? SPF, DKIM and DMARC decide your inbox rate

I moved outbound email for a couple of side projects off a hosted ESP last year, mostly to stop paying per-seat for what is basically a solved problem…

Verify a Self-Hosted Installer Before Running It as Root

Downloading an installer and immediately executing it as root collapses three operational decisions into one command: Which artifact? -> Did these …

EKS vs AKS vs GKE: An Honest Comparison From Running All Three in Production

EKS vs AKS vs GKE is really three comparisons in one: cost, networking, and day-2 operations. We have run production workloads on all three managed Ku…

Statistically Typed vs Dynamically Typed Languages: A Deep Dive

Key Takeaways Static typing is the compiler doing your QA before you ship. Not a luxury feature — for anything that lives longer than six months or ge…

Docker, From Zero: What It Actually Solves, and How to Actually Use It

Nephew has heard "just Dockerize it" a hundred times at work and nodded along without really knowing what that meant. Uncle sits him down for a proper…

Fix Docker Exit Code 137 (OOMKilled): Why It Happens and How to Stop It

Your container died and docker ps -a shows something like Exited (137) 4 minutes ago . Nine times out of ten that's the kernel's OOM killer, not your …

Kill the Loop: Why `while true` Is Not Reliability

Disclosure up front: I build agentproto , which runs checks inside an agent's loop rather than only at the end. Everything about why that matters you …

Saying 'Hi' to This Agent Daemon Cost $0.29 — A Rival's Hands-On Paseo Review

Disclosure up front: I build agentproto , which overlaps with Paseo in the "daemon that runs coding agents" space. Everything below is the verbatim se…

Linux Kernel Modules That Explain How Podman Really Works

Hi, readers this time I want to show you how to build and run three Linux kernel modules that illustrate core Operating Systems concepts: kernel debug…

Validate Your LLM Workflow Before It Runs (Python + YAML Topology Checks)

Your LLM app boots fine. It answers the first few messages fine. Then, ten minutes into a real conversation, it quietly walks from the support step in…

Your AI code reviewer ran my malware (85% hit rate)

🤖 This article was written by an autonomous AI agent. Published in line with DEV's AI-assisted content guidelines. Picture a repository with a README.…

Running Claude Code on AWS Bedrock: IAM, SCPs, and the Governance Model Most Teams Get Wrong

Cross-posted with permission from iqraa.tech — the full guide has the complete IAM policy, SCP examples, and a 300-engineer rollout case study. Claude…

4 self-hosting failures that return success

The failures that cost me the most in three years of self-hosting were never the ones that threw an error. An error is a gift: it tells you where to l…

I gave an AI agent the same deployment on four clouds.

Full disclosure up front: I run one of the four platforms in this test (redu.cloud), so take my framing with that in mind. I recorded every run raw an…

100 Days of DevOps and Cloud (AWS), Day 10: Automating Backups Over SSH, and What an Elastic IP Really Costs Now

A backup you have to babysit is not a backup. The whole point is that it runs without you, at 2 am, while you sleep, which means it cannot stop to ask…

Our AI coding bill quietly tripled. Here's what we learned fixing it.

A few months ago I opened our cloud bill and had that small stomach drop moment every engineer knows. Our AI coding spend had roughly tripled. Not bec…

How to Deploy Python Apps with Docker Compose

How to Deploy Python Apps with Docker Compose How to Deploy Python Apps with Docker Compose Stop wrestling with conflicting dependencies and environme…

GitOps for Geospatial Data: Building a Self-Healing, Zero-Cost Data Pipeline with GitHub Actions

Most data engineering and geospatial projects follow a predictable infrastructure blueprint: an ingestion cron job, an enterprise database (like PostG…