Hello!

I'm Rostislav Jadavan, a developer who loves trail running and tech. When I'm not coding, you can find me on the trails or experimenting with new technologies in my home lab. Family time is precious to me, a perfect balance to my tech-filled world.

Recent Posts

• Fixing tiny GRUB menu on 4K display

  Posted on:April 25, 2026

  Got a 4K monitor and GRUB text is microscopic. Two lines in a config file fixes it.

• Kubernetes ingress pattern for my Proxmox homelab

  Posted on:January 18, 2026

  For years, my homelab was a mess of HTTP services running on random ports. Then I started working with Kubernetes and realized I can apply the same ingress pattern to my Proxmox setup.

• Changing touchpad scroll speed on Gnome Wayland

  Posted on:December 6, 2025

  Gnome is a great desktop environment, but not having an option to change touchpad scrolling speed on Wayland is really annoying. Websites and code in editors just jump around when using the touchpad, making it frustrating to work with.

• ruby-pg SIGTERM and SIGABRT on Apple Silicon Macs

  Posted on:November 17, 2025

  Lately, while relentlessly working on my Ruby on Rails projects, I started encountering unexpected crashes after restarting my application server. The logs revealed that the Ruby process was terminating with `SIGTERM` (Segmentation fault).