Why your DMARC reports never arrive (and why Gmail can't be your rua address)
You published a DMARC record months ago. Every checker says it's valid. No reports have ever arrived, and at some point you stopped thinking about it …
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How to Write an Incident Postmortem in 2026 (With Template)
A postmortem turns an outage into something your team learns from instead of repeats. Here is the structure, why blameless matters, and a template you…
A 5-minute preflight before giving an AI coding agent write access
AI coding agents are useful long before a repository is truly ready for them. The risky moment is not when an agent reads code. It is when it can edit…
What Are DevOps Engineers, Really? Roles, Skills, and How to Become One
Software teams have been fighting the same war for decades: developers ship code, operations breaks it, developers fix it, operations tests it again. …
Lifecycle, DevOps & Multi-Agent Orchestration for Enterprise AI
The Agentic DevOps Challenge As enterprise AI adoption matures, organizations are shifting from single-turn chat assistants to complex multi-agent orc…
Halfway Through the MLH Production Engineering Fellowship
I'm halfway through the MLH Production Engineering Fellowship, and while I've learned a lot technically—from Linux fundamentals, Docker, NGINX, automa…
I Keep Forgetting to Delete My AWS Test Resources, So I'm Building a Tool to Yell at Me Instead
We've all done it. You spin up an RDS instance to test something on a Friday afternoon. You attach an EBS volume to a t3.micro that you kill three day…
Cloud vendor lock-in! How much should I be scared of? 😱
What is vendor lock-in? Some examples? Why this approach is dangerous? Vendor lock-in only in choosing the public cloud provider? What should I do the…
AI Coding Agent Cost Ledger: Find Expensive Sessions Before They Become Normal
A coding agent can look productive while quietly turning every pull request into a mystery invoice. The dangerous part is not one large model call. It…
"Kubernetes Interviews Are Broken When Trivia Matters More Than Real Skill"
Kubernetes Interviews Are Broken When Trivia Matters More Than Real Skill Kubernetes interviews often fail when they test whether a candidate can reca…
From 1.2GB to 24MB: How I Sped Up Our Next.js CI/CD Pipeline by 4 in One Afternoon
The Situation Our team's CI/CD pipeline on Azure DevOps was taking 15 minutes to complete on every push to develop. You'd merge a PR, grab a coffee, c…
How to identify which customers are affected by API failures
Most API monitoring starts with endpoints: Which route is failing? What is the error rate? Did latency increase after a release? Those questions are e…
How to Turn an Architecture Guide into Developer Onboarding
An architecture guide often answers the wrong question for a new contributor. It tells them what components exist, where repositories live, and which …
Testing CAST AI on GKE: A Hands-On Kubernetes Workload Optimization Lab
Kubernetes makes it easy to define CPU and memory requests for our applications. But there is a problem: How do we know whether those resource request…
My Robot Accountant Got an Eviction Notice. So We Moved: Migrating from Bedrock Agents Classic to AgentCore
Ciao Amici 👋 Grab your chai, because the robot accountant is back, and this time we have a moving-day story. If you read my last article, you know I b…
The Reliability Roadmap: A 90-Day Plan for New SRE Teams
New SRE team at your company? Here's a 90-day plan I've used twice. It works because it balances 'show immediate value' with 'build for the long term.…
Deploy a Telegram Rubber Duck That Actually Answers Back
Your application has crashed. The terminal has responded with 47 lines of red text, three warnings you don’t understand, and one particularly helpful …
Automating Dell PowerProtect Backup on AWS: A Terraform-Based Approach
Organizations running Dell PowerProtect backup on AWS face a recurring challenge: the multi-appliance ecosystem — PPDM (PowerProtect Data Manager), DD…
What If Your Business Had an Immune System?
Designing an Autonomous Business Resilience Layer with Multi-Agent AI TL;DR: Most enterprise AI systems wait for humans to ask questions or initiate w…
I Built a Security Tool That Proves Its Own Exploits — Then Got a Better Threat Model in the Comments
Automated offense has one embarrassing failure mode: it lies to you about winning. Point a tool at a target, and the naive success check is a substrin…
We Build a Kubernetes Dashboard. AI Agents Might Make It Obsolete.
We build a Kubernetes dashboard, so let me argue against my own product for a minute, because if the argument holds I'd rather hear it from me than fr…
My 06:30 cron has never once started at 06:30
I keep a public repo whose only job is to watch how GitHub Actions treats schedule: triggers. 18 workflows, a few deliberately pathological. The numbe…
LLM-Powered SIEM Alert Triage: Reduce Noise by 80%
Your SIEM fires 3,000 alerts on a Tuesday night. Your on-call analyst acknowledges 40 of them. The other 2,960? Noise — mostly. This is the alert fati…
Stop Testing New AI Models in Production
A new AI model appears. The benchmark looks strong. The context window is larger. The price is attractive. So someone changes one configuration value …
The Warning That Took My Site Down Was in the Log the Whole Time
A few weeks ago, I mistakenly took my own site down for about thirty minutes. I was wiring up a queue-based pipeline for GitHub webhooks. That needs t…
Build an Evidence Supply Chain for Tests
Most teams think of automated tests as decision machines. Green means ship. Red means stop. That model works right up until the first ambiguous failur…
Managing Monorepos at Scale: Lessons from Meta, AWS, and a 15-Repo Migration
Early in my career, I thought polyrepos were the way. Microservices, each in their own repo, independently deployable — it felt clean and modern. Then…
How AI Context Windows Changed My Code Review Process (And Yours Can Too)
If you're still copy-pasting code snippets one at a time into Claude or ChatGPT for reviews, you're leaving massive productivity on the table. Last mo…
Confronting Vault Sprawl And The Risks It Brings
Modern enterprises do not set out to create a maze of credentials, keys, and secrets stores. However, this is the reality most organizations find them…
Measure Your AI Coding Harness Maturity in CI with GitHub Actions
Two teams can use the same model and the same prompt — and get completely different results. The difference is often not the model. It is the harness …