I write about projects, debugging and technical problems I may want to revisit later. Some posts are step-by-step guides. Others are shorter notes about WordPress, Linux servers, Android or performance work.

A summary of updates to two Craft CMS plugins: PDF Generator and CDN Cache & Preload. Document generation, caching, preloading and integration with Cloudflare and Varnish.

CoolTRONIC.pl started as a technical blog and gradually became a company and a technical base for websites, Linux servers and open-source tools.

In June 2022, I defended my engineering thesis at the Military University of Technology. The project focused on smart-home system design using Home Assistant.

A summary of an entrepreneurship training program covering strategy, finance, marketing, negotiations and the basics of running a business.