Zoob's Blog

Every pod in a Kubernetes cluster can find every Service by name, with zero DNS configuration from you. Type db in your app's connection string and it just works. This post takes that magic apart, [...] Read more

two weeks ago my Mac couldn't even build ClickHouse. it failed before the compiler got a chance to be interesting — wrong filesystem, wrong toolchain, not enough disk. today i have a fix sitting in [...] Read more

I'm on a capped 5G home router. Go over the limit and things get throttled hard. So I actually cared, for once, about a question I used to only ask when a laptop fan spun up: which app is eating my [...] Read more

When using Docker to run Git commands inside a container, such as git pull, you might encounter errors like: fatal: detected dubious ownership in repository Host key verification failed. Could not [...] Read more

When I first started learning about the Linux kernel, I had no real understanding of what I was getting into. The only guide I had was a book I was reading — but without any clear direction or [...] Read more

Imagine you buy hosting or create a VM in the cloud. Each machine that you buy or rent has an IP address. That typically has the form x.x.x.x where x > 0 and x < 255. Example: 192.168.1.1 Once [...] Read more