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My name is Jakub, I'm a software engineer and a long time open source enthusiast.

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TLS certificates for internal services done SIMPLER

2026-07-12 Jakub Kołodziejczak

Follow-up for "done right" that could be titled "done GOOD ENOUGH"

2026-07-09 Jakub Kołodziejczak

No self-signing headaches, no TLS erros.

2025-03-16 Jakub Kołodziejczak

How to achieve multi node k8s cluster with it's own VPC build on top of raspberry pis?

2024-08-21 Jakub Kołodziejczak

(Part 2) How to configure linux laptop so that it can serve as a workstation that meets sensible security baseline?

2024-08-16 Jakub Kołodziejczak

(Part 1) How to configure linux laptop so that it can serve as a workstation that meets sensible security baseline?

2024-07-14 Jakub Kołodziejczak

Append only, centralized log server with PostgreSQL and rsyslog.

2022-01-16 Jakub Kołodziejczak

Navigating complex ecosystem of open source licenses.

2021-06-03 Jakub Kołodziejczak

What are V8 Isolates and why Cloudflare is betting on them?