A blog about leaving the cloud and building your own infrastructure
Recent Articles
Practical guides and real experiences from leaving the cloud
I Was Wrong About the Firewall
UFW doesn’t protect your Docker containers. Here’s the fix, and the updated cloud-init config.
Read articleOpenClaw Security: Because “YOLO” is Not a Firewall Rule
Over 1,700 OpenClaw instances are publicly exposed right now. 56% of them are on Hetzner. Don’t be a statistic.
Read articleKamal: The Deployment Tool That Actually Makes Sense
Zero-downtime deploys without the Kubernetes hangover.
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Zdeněk Hásek
Senior DevOps Engineer & Infrastructure Architect
📍 Prague, Czech Republic
15+ years of hands-on experience building, scaling, and optimizing infrastructure. I've worked on everything from bare-metal Linux clusters to Kubernetes deployments, managing systems for small startups and large enterprises alike.
I've seen too many companies watch their cloud bills spiral out of control. Through this blog, I share what I've learned helping organizations break free from AWS, Azure, and Google Cloud. Running your own infrastructure is simpler and cheaper than you think, and you can absolutely do it yourself.
My mission: Help you escape cloud vendor lock-in. I want to show you how to build and manage your own infrastructure. And if you ever need a hand, I'm here to help.