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PODCAST

Chaos Computer Club - recent events feed (high quality)

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:50:34

Was will uns der Politiker damit sagen? (mrmcd25)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/12

Menschen in der Politik reden viel. So viel, dass die wenigsten genau hinhören, was da alles gesagt wird. Das wird dann häufig auch noch von Medien zugespitzt und häufig auf gängige Begriffe zurechtgeschnitten. Das hört sich oft gut an, aber was genau ist damit eigentlich gemeint? Lasst uns einige dieser Begriffe durchleuchten und Transparenz ins Polit-Sprech bringen. Politiker*Innen verwenden gerne toll klingende Begriffe, die sich für viele Menschen sinnvoll anhören. Aber was genau damit gemeint

00:07:50

Closing Ceremony (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

Closing ceremony So long, and thanks for all the bees! about this event: https://talks.nixcon.org/nixcon-2025/talk/TEPUWK/

00:26:27

From Pixels to Pure Derivations: Deterministic Logos...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

When we think of reproducibility, we often focus on software builds, but what about the logos and visuals that represent our projects? In this talk, I’ll share how I approached logo design for the NixOS project with the same rigor we apply to software: deterministic outputs, minimal storage overhead, and fully free tooling. I’ll discuss the journey of building my own FOSS tooling to generate NixOS logos as SVGs from source code. Existing tools like Inkscape or Blender were either not parametric

00:19:46

When Not to Nix: Working with External Config and...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

Nix has got so many bells and whistles to meet most of the requirements, staying declarative with modularised setup to allow code reuse. However, this comes with a bit of a challenge for those who are starting the Nix journey -- it can be quite complex, or at least so does it seem. This talk focuses on some simpler approaches to use separate non-Nix files such as JSON, YAML and/or TOML for the configuration management. There are some gotchas around using file content, file as path, and potentially

00:19:50

finix - an experimental os, featuring finit as pid 1,...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

NixOS is a remarkably flexible and powerful operating system, but its stability and scale can make it a challenging environment for exploring unconventional ideas. finix is an experimental Nix-based OS I built to break free from some of the constraints of upstream NixOS — a fully functional, Nix-built system that embraces rapid and bold experimentation over stability. This talk will walk through how I built finix, how I reuse much of NixOS’s scaffolding, and why I chose to try a different init

00:25:34

A field guide to Nix at the Corporate (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

In this most remarkable presentation, I chronicle my extensive explorations through the untamed wilderness of enterprise landscape and the experiences of applying Nix within said corporate domain. The audience shall discover the arcane rituals of cargo cults development, learn to navigate the treacherous waters of organisational silos and master the craft of sanctifying Nix usage. Like a seasoned naturalist cataloging the flora and fauna of some newly discovered archipelago, I have meticulously

00:18:05

How NixOS is built: From Pull Request to your...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

Let's follow the lifecycle of a change in Nixpkgs; from opening the Pull Request until the change makes it our local /nix/store. We'll explore all the CI systems involved in this process, how they interact, where and how they're defined in our codebases, and finally the security implications of each step. about this event: https://talks.nixcon.org/nixcon-2025/talk/RF93ZE/

00:17:54

Nix as a solution to embedded linux (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

In this talk we go over how we leveraged Nix to build our new Katla synthesizer. We go through setting up development environment, CICD, Linux kernel optimizations, cross-platform compilation and other steps that make Nix a standout solution when building hardware products with a team distributed around the globe.about this event: https://talks.nixcon.org/nixcon-2025/talk/YGL3MV/

00:26:53

nixos-compose: Local development VMs made easy...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

When working on a software project, it can often be useful to spin up local development versions of services that run in production. This can be as simple as running a database to run your tests against, or as complicated as spinning up dozens of machines that talk to each other, while allowing you to observe and debug complex interactions. In some non-Nix projects, docker-compose is used for this successfully, but it requires a lot of manual configuration. In projects where production machines are

00:17:18

Internet scale routing with NixOS (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

This talk will be in the format of an experience report. We will go over how to use the module system to declaratively manage BGP sessions, set up routing policies to manage traffic between hosts using addresses within advertised prefixes using systemd-networkd and nftables in a multi-upstream setup, and how to run a primitive anycast CDN. The talk will also include hiccups encountered while experimenting with the BIRD Internet Routing Daemon, Tailscale, and improvement plans. GitHub:

00:28:42

Python packaging with nixpkgs, pyproject.nix & uv2nix...

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

There is a broad range of possibilities when packaging Python with Nix. The amount of Python formats alone can be overwhelming: requirements.txt, setup.py & pyproject.toml, not to mention Conda! This talk aims to explain Python packaging with Nix, focusing on pyproject.nix & uv2nix, but I will also talk about other approaches and their trade-offs. We'll start off with a short primer on the different Python packaging formats & methods while explaining a few of the things that make Python packaging

00:26:03

NixOS on LoongArch64 (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/06

Explain the current state of the LoongArch64 ecosystem, issues encountered with the Nixpkgs/NixOS port, and what to expect next about this event: https://talks.nixcon.org/nixcon-2025/talk/BMXTFW/

00:25:27

Is NixOS ready for the CRA? (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/05

The Cyber Resilience Act (CRA) is the EU's most important regulation for software in the last decade. While it makes an exception for open-source software and impact NixOS directly, any commercial product that includes NixOS has to comply with the CRA to allow offering in the EU. In this talk, we give insights into the CRA’s requirements, showcase that Nix tooling with its focus on reproducibility is very well positioned for compliance, and point out the unsolved shortcomings. We focus on the

00:06:41

NixOS Mediation - a free mediation service (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/05

Presenting https://nixos-mediation.org/what it is, how you can benefit from it, and a small retro. about this event: https://talks.nixcon.org/nixcon-2025/talk/CDU788/

00:44:14

Sustainable Nix 2025 - State of the Union (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/05

Lets explore how to ensure the sustainability of the Nix ecosystem with community leads including the SC and Foundation. We will dive into what it takes to create and maintain a robust, reliable environment for years to come. Covering the community’s milestones in 2024, from infra to governance, and about both the hard-won lessons and the innovations shaping Nix’s future. about this event: https://talks.nixcon.org/nixcon-2025/talk/9VKFRM/

00:31:59

Opening Ceremony (nixcon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/09/05

Opening of the conference about this event: https://talks.nixcon.org/nixcon-2025/talk/QEN3WD/

00:59:23

Develop Secure Software - The DevGuard Project...

Chaos Computer Club - recent events feed (high quality) ·

2025/08/17

Mit DevGuard stellen wir ein Open-Source-Projekt vor, das Sicherheit für Entwickler:innen zugänglich, pragmatisch und automatisierbar macht. Angesichts zunehmender Angriffe auf Software-Supply-Chains und wachsender regulatorischer Anforderungen (z.B. CRA) adressiert DevGuard zentrale Herausforderungen der sicheren Softwareentwicklung: komplexe Tool-Integration, unübersichtliche Ergebnisse, hohe False-Positive-Raten und fehlende Compliance-Nachweise. DevGuard

00:50:48

Quelltext-Klage als Verbraucher (froscon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/08/17

Copyleft-Lizenzen, wie die GPL, schreiben vor, dass Verbraucher neben der Binary auch den vollständigen Quelltext erhalten. Wie kürzliche Gerichtsverfahren gezeigt haben, können auch Verbraucher auf die Bereitstellung dieses Quelltextes klagen. Daneben können auch Verbraucherverbände klagen; diese können gleich für alle Geräte eines Herstellers klagen. Dieser Vortrag wird zuerst erklären was freie Software und Copyleft ist und dann für den Vortag wichtige Teile der GPL-2.0 und LGPL-2.1 vorstellen

00:51:55

ToyCollect (froscon2025)

Chaos Computer Club - recent events feed (high quality) ·

2025/08/17

Das ToyCollect Projekt ist ein Open-Source Software und (hauptsächlich) Open-Source Hardware Projekt mit einem Fokus auf kleine indoor Roboter mit 3D-gedrucktem modularen Gehäuse. Wir sind momentan dabei, die nächste Generation mit Stereo-Kamera, Bumper-Sensoren, Tiefenkamera, Lagesensoren und "Unter-der-Couch-Detektoren" fertigzustellen - siehe Logo - welche auf StereoPi basieren und damit wesentlich leistungsfähiger sind, auch was lokale Deep-Learning Modelle angeht. Damit werden weitere autonome

00:44:55

Anarchist’s Guide to Confidential Computing...

Chaos Computer Club - recent events feed (high quality) ·

2025/08/17

„Confidential Computing“ bezeichnet eine Reihe von hardwaregestützten Technologien, die angeblich vertrauliche Datenverarbeitung in der Cloud ermöglichen. In diesem Vortrag zeige ich, wie diese Mechanismen funktionieren, welchen Versprechen man trauen kann – und wo ihre Grenzen liegen. Confidential Computing verspricht Privatsphäre durch Hardware – in einer Umgebung, die dir nicht gehört. In diesem Vortrag geht es nicht um BIOS-Versionen oder Kernel-Flags, sondern um die grundlegenden Mechanismen:

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