Rok Garbas

Speaking

I speak at conferences about Nix, NixOS, reproducible builds, and DevOps practices. Here’s a selection of my talks with video recordings.

Recent Talks

Getting Started with Nix: Common Mistakes and How to Dodge Them

NixCon 2025 · Rapperswil-Jona, Switzerland

A workshop for Nix newcomers covering installation, CLI usage, and the basics of the Nix language - plus the common pitfalls to avoid.

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The Environments Inside Your Containers

CfgMgmtCamp 2025 · Ghent, Belgium

Critiquing traditional Dockerfile approaches and demonstrating how Flox improves the entire SDLC with more secure and efficient container images.

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The Environments Inside Your Containers

DevDays Vilnius 2025 · Vilnius, Lithuania

How Flox brings reproducible development environments inside your containers, making builds predictable and deployments reliable.


Empowering Teams in a Post-Agile World: Leadership Redefined

DevDays Vilnius 2025 · Vilnius, Lithuania

Panel discussion on modern leadership approaches and team empowerment beyond traditional agile methodologies.


A Quick Introduction to Nix

PlanetNix 2024 · Pasadena, USA

A workshop for Nix newcomers covering installation, CLI usage, and the fundamentals of the Nix language. Co-presented with Tom Bereknyei.

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How to teach Nix in 5 minutes!

NixCon 2023 · Darmstadt, Germany

A lightning talk on making Nix accessible to newcomers. What are the essential concepts you need to convey in just 5 minutes?


From Nix to Docker - Polyglot Package Management

Devoxx Poland 2023 · Krakow, Poland

Why is Docker not enough? How Nix complements Docker for truly reproducible builds across any language ecosystem.


Building Minimal, Flexible, and Reproducible Images

DevOpsDays Warsaw 2023 · Warsaw, Poland

In modern engineering organizations, the container image has become a core artifact. This talk covers how to build images that are minimal, flexible, and reproducible.


The NixOS hype and where to go from here

Nix Developer Dialogues 2023 · Online

A retrospective on NixOS adoption, the challenges ahead, and where the community should focus next.


Earlier Nix & NixOS Talks

How to make Nix ./pleasing to use at work

NixCon 2018 · London, UK

At Release Engineering within Mozilla, we develop and support Firefox. This talk covers how we introduced Nix to improve developer experience and build reproducibility.


NixOS - Reproducible Linux Distribution built around systemd

SystemD Conference 2016 · Berlin, Germany

An introduction to NixOS for the systemd community, explaining how NixOS achieves reproducibility and declarative system configuration.


Make Nix friendlier for Beginners

NixCon 2015 · Berlin, Germany

One of my earliest Nix talks, focused on improving the onboarding experience for new Nix users.


Package management rethought - Nix

BOB 2015 · Berlin, Germany

Allow me to introduce you to Nix - The Purely Functional Package Manager. A deep dive into why Nix takes a different approach to package management.


Rethinking Package Management

Python Ireland · Dublin, Ireland

Bringing Nix concepts to the Python community - how reproducibility can solve “works on my machine” problems.


Plone Era

Before Nix, I was active in the Plone CMS community.

Deco, Finally!

Plone Conference 2012 · Arnhem, Netherlands

The history and implementation of Deco, a new layout system for Plone.


Want me to speak at your event?

I’m available for conference talks, meetups, and workshops on:

  • Nix & NixOS - From beginner introductions to advanced topics
  • Reproducible builds - Why they matter and how to achieve them
  • DevOps practices - CI/CD, containerization, infrastructure as code
  • Flox - Modern developer environments

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