Something every senior engineer learns the expensive way:
LinkedIn Draft — Workflow (2026-07-28) Something every senior engineer learns the expensive way: Terraform DAGs at scale: when the graph becomes the h…
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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…
Signed execution receipts: a primer on why logs are not evidence
Every team running AI agents keeps logs. Almost none of them can answer the question that actually gets asked in a dispute: why should anyone believe …
Security, platform engineering и данные: Продуктовая аллея DevOpsConf`26. Часть 2
В первой части мы остановились на том, что Продуктовая аллея DevOpsConf 2026 показала рынок как поиск более зрелых эксплуатационных моделей. AppSec, o…
Monitor Your Server Health with Python and Telegram
Monitor Your Server Health with Python and Telegram tags: python, devops, monitoring, telegram Server Health Monitoring Made Easy with Python and Tele…
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 …
Moving SSH Clients to macOS? Test SFTP After Reconnecting
While building DartShell on macOS, I ran into a migration issue that a successful SSH login did not reveal. The terminal reconnected correctly after a…
AWS VPC — Your Private Network in the Cloud, Explained from the Ground Up
🌐 AWS Session 9 — Amazon VPC Private Networking · Subnets · Internet Gateway · Route Tables · Security Groups · NACLs · NAT Gateway Part of my AWS lea…
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…
AI Changes the Tools, Not the Fundamentals
This may sound counterintuitive, but in the era of AI, less is more. AI can help anyone write code faster, but it can't replace an understanding of ho…
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…
AI Didn't Make Your Team Faster. It Moved the Bottleneck.
This is publishing in the same month the loudest AI jobs forecasts got walked back by the people who made them. That reversal surprised a lot of comme…
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…
Your gRPC stream is "healthy" and serving nothing: synthetic monitoring for server-side streams
By Daniil Romashov — SRE/DevOps engineer. The tool described here is open source: github.com/youngpabl0/grpc-streams-checker (Apache-2.0). Uptime chec…
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 …
Branch-Based CI/CD: Quality Gate to Multi-Environment Deploy with GitHub Actions
A complete, reusable pattern for wiring a code-quality gate (SonarQube) to Docker build, image scanning, and SSH-based deployment across development, …
Ditch GHCR: A Production-Grade Self-Hosted Docker Registry on a Single DigitalOcean Droplet
If you have ever hit the wall on a hosted registry's free private tier a 500 MB cap here, a per-seat charge there and you already run your own servers…
Human-in-the-Loop Agentic DevOps: Govern AI Automation in GitHub Issues
Human-in-the-Loop Agentic DevOps: Govern AI Automation in GitHub Issues The biggest question in agentic DevOps is no longer, "Can an AI agent automate…
How to Deploy Your Python App on a $5/Month Server
How to Deploy Your Python App on a $5/Month Server tags: python, deployment, devops, money Deploying Your Python App on a $5/Month Server: A Step-by-S…
Why SPF Breaks After Adding One More Email Provider
Why SPF Breaks After Adding One More Email Provider Your SPF record may look valid and still produce a PermError . This often happens after connecting…
100 Days of DevOps and Cloud (AWS), Day 18: MariaDB's Secure Install, and Why 'Read-Only' Needs More Than ec2:Describe
The most secure version of a fresh install is the one with its convenient defaults stripped back out. New database software ships open enough to get y…
From Commit to Amazon EKS: Building a GitOps Pipeline with Argo CD
Deploying an application to Kubernetes is easy to demonstrate with one command: kubectl apply -f . The harder question is what happens after the first…
My AI agent tried to delete my secrets. It couldn't.
One day, my AI agent tried to delete the secrets of my infra. It wrote the Terraform command. It ran it. Nothing happened. Not because it changed its …
Почему при rolling update летят 502, хотя readiness-проба на месте
Классическая сцена. Команда выкатывает релиз, деплой проходит зелёным, kubectl rollout status рапортует об успехе — а в графиках ингресса на минуту вы…
Measuring Real EC2 Idle Time: A CloudWatch Script Walkthrough
The metric that lies by omission Open the CloudWatch console for almost any EC2 dev box and you'll see CPUUtilization hovering at 1-3% for hours. Some…
Exploring WebAssembly Beyond the Browser: A Cloud Architect's First Look at WASI
For years, my day job has centered on enterprise cloud backends built around containers, which are isolated digital environments that package an appli…
Один клик вместо DevOps: Как мы перестали настраивать GitLab и зажили спокойно
Привет, Хабр! Сегодня хочу поделиться опытом знакомства с одним интересным инструментом, который недавно попался мне на глаза. Называется он Run…
Beyond Prompt Injection: The Non-Human Authorization Gap in Enterprise AI
The Hidden Vulnerability in Multi-Agent Chains The biggest architectural risk in enterprise AI today isn’t prompt injection—it’s Delegation Escalation…