Hi, I’m Máté

Experienced DevOps engineer and cloud architect with a background in software development, finance and service management. Writing on infrastructure, automation, AI, people, or whatever grinds my gears.

Aug 29, 2026 Your Worktree Is Three Days Old Claude Code’s --worktree flag (-w for friends) is one of my favorite features: it spins up a fresh git worktree for the session, so parallel tasks don’t trample each other and my actual checkout stays clean. I used it happily until a PR came back with merge conflicts against c... 4 min Aug 22, 2026 Opus 5 Isn't That Bad Claude Opus 5 has been out for about a month, which was enough time for people to decide that it is both very capable and rather unpleasant to work with. 9 min Aug 14, 2026 X-Files: The Single-Page Azure Reservations API I often do ad-hoc reporting from Azure, and this time was no different: list every active Reserved VM Instance in a couple of tenants, page through the results, write CSV rows. No scheduling, no UI, one file. I didn’t know that it would take me days of debugging and a few tick... 4 min Aug 12, 2026 Google Thinks My Lunch Menu Is Phishing 3 min Apr 12, 2026 Excel Will Outlive Us All 4 min Mar 24, 2026 Make ZSH Great Again 1 min Mar 24, 2026 ChatGPT, Please Stop the Mental Illness 2 min Jul 16, 2025 UX Extravaganza - Electricity Meter Reading 3 min Jul 16, 2025 Junior vs. Senior Skillsets: The Case for Hiring Juniors, Even in a Bad Market 4 min Jul 14, 2025 Grok 4: I Wanted to Believe 6 min Mar 25, 2024 Unlocking Ubuntu LUKS2 encryption automatically at boot 1 min Mar 21, 2024 Install an OS without KVM 4 min Feb 5, 2024 Install RSAT via Powershell 4 min Dec 18, 2023 Azure DevOps - build pipeline billing extravaganza 2 min Jul 14, 2023 Global and persistent query filters for Entity Framework Core 2 min Jul 13, 2023 Let's Encrypt Certbot manual mode with Azure Key Vault 2 min Jun 25, 2023 Persist a list of integers with Entity Framework Core 3 min