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PODCAST

Chaos Computer Club - recent events feed (low 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

00:24:03

How I optimized away 94% CPU from zbus (asg2025)

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

2025/09/30

Haven’t you ever wanted to find ways to make your Rust code the most optimal in the world? I know how you feel. This is a talk, where I’d tell you how easy it is to profile your Rust software and how most often the solutions are trivial. This is a story of how I used a few readily-available Open Source tools to achieve huge optimizations in [zbus](https://crates.io/crates/zbus), a pure Rust D-Bus library. This was long journey but gains were worth the efforts. I will go through each single

00:21:47

systemd: state of the project (asg2025)

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

2025/09/30

Same as every year, a lot has happened in the systemd project since last year's ASG. We released multiple versions, packed with new components and features. This talk will provide an overview of these changes, commenting on successes and challenges, and a sneak peak at what lies ahead. Licensed to the public under https://creativecommons.org/licenses/by/4.0/de/ about this event: https://cfp.all-systems-go.io/all-systems-go-2025/talk/B8RVCJ/

00:25:57

Linux IPC: Lost between Threading and Networking...

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

2025/09/30

Communication is paramount in modern application development. This applies equally well to the process of writing applications and to the code itself. The complexity of the tasks ahead of us calls for a distributed and coordinated development effort, and this often manifests in our code: We design distributed, communicating systems to split complexity and responsibility among many people and teams, and at the same time meet the demand for ever faster systems. The last decade showed significantly

00:23:50

BPF Tokens in systemd (asg2025)

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

2025/09/30

Running **BPF** programs today requires *CAP_BPF* capability, which is an all or nothing BPF capability. But BPF nowadays spans a large area, from simple monitoring to potentially invasive fields like network or tracing. BPF Tokens aims to add fine grained BPF capabilities to systemd units and containers, avoiding to give the whole *CAP_BPF* capability or even worse running the service as privileged

00:29:24

Systing: tracing for the lazy (asg2025)

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

2025/09/30

Systing helps you solve problems in minutes rather than days. Out of the box it gives you everything you could possibly need, combined with perfetto’s visualization you will never be confused again. This talk will introduce systing, a tracer that is built on modern BPF tooling, purpose built to debug large applications with complicated interactions. This will be little talk and mostly demo. Two decades of experience debugging kernel problems has been poured into this tool to make it as

00:21:20

Container Networking With Netkit: The BPF...

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

2025/09/30

Introduced in kernel v6.7, the Netkit device is an eBPF-programmable network device designed with containers in mind. In this talk, I will go over the the basics of the Netkit device, and discuss the performance gains we have realized and challenges we faced when rolling out Netkit across millions of containers at Meta. Licensed to the public under https://creativecommons.org/licenses/by/4.0/de/ about this event: https://cfp.all-systems-go.io/all-systems-go-2025/talk/WAHYE8/

00:23:28

Why you should contribute to systemd! (asg2025)

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

2025/09/30

I'll use these 20 minutes to explain why and why contributing to systemd is a great experience. We'll avoid beating dead horses by not discussing git forges and email, but instead focus on the development experience, from building systemd distribution packages from git main, running integration tests against those distribution packages, debugging failures, writing new tests, and installing the distribution packages on real hardware to debug issues. Licensed to the public under

00:40:31

A Security Model for systemd (asg2025)

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

2025/09/30

Linux lacks a coherent security model, and by extension we never defined one for the systemd project either. In this talk I'd like to start changing this, and begin defining some general security design guidelines that we so far mostly followed implicitly, and make them more explicit. After all, systemd to a large degree is involved in security subsystems, from SecureBoot, Measured Boot & TPM, to its service sandboxing, dm-verity/dm-crypt support, its FIDO2/PKCS#11 hookups, its many security

00:10:52

How to Quellcode (quellcode25)

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

2025/09/28

Kurzer Talk, indem ich kurz vorstelle wie wir die Quellcode organisiert haben. https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://pretalx.0x90.space/quellcode-2/talk/QVGLUD/

00:17:18

Siemens Systemtelefon hacken for fun and giggles...

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

2025/09/28

Im Hackspace sind Systemtelefone von Siemens aufgetaucht. Wir hatten sehr viel Spass mit ihnen und ich will davon erzählen. Zusammen mit zwei anderen Mitgliedern aus dem Nerdberg haben wir uns das "Unify OpenStage 60" Telefon angeschaut, Root-Zugriff bekommen und schlussendlich ein paar nette Anwendungen darauf zum laufen bekommen. Das ganze war aber eher eine längere Reise - von dieser will ich euch erzählen. https://creativecommons.org/licenses/by-sa/4.0/ about this event:

00:12:36

Lightning talks (quellcode25)

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

2025/09/28

Lightning talk slot, to present some lightning talks. A slot for short talks about different topics, Can be in English or German. Ein Programm Punkt in dem kurze Vorträge über verschiedene Themen vorgetragen werden können. Die Vorträge können in Deutsch oder Englisch gehalten werden. https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://pretalx.0x90.space/quellcode-2/talk/RD9FHU/

00:12:52

Make your personal website, it's easy! (quellcode25)

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

2025/09/28

Lighting Talk about how to make your own personal website and lose your fears and doubts about how to do it. In a world where social media platforms keeps degrading and closing, where more and more places of Internet get subjected to "Enshittification", to the loss of personalization and even censorship, there's this call to oppose this. A counterculture call, to return to "how Internet used to be at their origins": Original, personal and alive. "But, isn't quite hard making a website by oneself,

01:17:18

Gegen die Angst - was will der intersektionale...

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

2025/09/27

Unsere Beziehungen sind von Herrschaftssystemen vergiftet - wir alle werden willkürlich nach Geschlecht, Ordnung, Herkunft, Leistung, und Fähigkeiten eingeteilt. Wie können wir diese Zwänge abschaffen, und einen Umgang auf Augenhöhe finden? https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://pretalx.0x90.space/quellcode-2/talk/ZLVBAL/

00:57:44

Einführung in die numerische Strömungssimulation mit...

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

2025/09/27

Einführung in die numerische Strömungssimulation mit Free Open Source Software - Grundgleichungen, Software, BeispielrechnungenAus den Fingern gesogen, ohne Erwartungshaltung https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://pretalx.0x90.space/quellcode-2/talk/G3UJNG/

00:47:31

Dein Smartphone, ein Werkzeug für die Wildnis (Meine...

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

2025/09/27

Du findest dich plötzlich in der **Wildnis**, was tun? Na klar, als allererstes das Smartphone herausholen und Empfang prüfen. Verdammt, wo bin ich eigentlich? In diesen Talk stelle ich dir drei Tolle Apps vor, die dir in der Wildnis eine große Hilfe sein werden. Auch im Bastler*in Alltag können sie aber sehr nützlich sein. https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://pretalx.0x90.space/quellcode-2/talk/CMRSL9/

00:54:19

Liberating DJing from Mega Corps (quellcode25)

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

2025/09/26

Introducing a fresh'n tiny DJing Software for Linux to battle the enshittification of DJing The art of DJing has been shifting and progressing over the last 2 decades by the introduction of digital djing. But since then it has been in the greedy hands of a couple of big players, namely Pioneer (now AlphaTheta). Cloud & subscription is now on the plate, with hefty price tags. Time to liberate the Art of DJing from those evil Mega Corps! Out of this struggle I've been hacking on a tiny DJing

01:06:13

Wie sicher ist elektronisch Bezahlen tatsächlich? (dgna)

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

2025/09/25

Immer weniger Leute bezahlen mit Bargeld. Was soll man nutzen? Debit-Karte, Google- oder Apple Pay oder doch unser Schweizer Twint? Wo liegen Gefahren und Betrüger auf der Lauer? Und wie kann man sich dagegen schützen? An Netzpolitischen Abend vom 25. September erklärt Romano Ramanti – Vizedirektor und Ethischer Hacker bei der Zürcher Kantonalbank – die verschiedenen Systeme, wie sie funktionieren, wo man sie einsetzen kann und wo man aufpassen sollte. Als ethischer Hacker kennt er alle Tricks und

01:48:03

Evoke 2025 Nachlese (oc)

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

2025/09/25

Der Sommer war laut und bunt, denn vom 15. bis 17. August fand wieder die Evoke statt, eine der traditionsreichsten Demopartys und ein fester Treffpunkt der Demoszene seit über zwei Jahrzehnten. Wer dabei war, weiß, wovon hier die Rede ist. Wer nicht dabei war – kein Problem. Beim OpenChaos gibt es die Gelegenheit, die besten Beiträge der Evoke noch einmal zu erleben. Tobi vom Digitale Kultur e.V. zeigt eine Auswahl der (subjektiv) besten und schönsten Demos und Intros der Evoke 2025 – von PC bis

00:31:07

Kalman Filter und Sensor Fusion (realraum)

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

2025/09/25

Ein kurzer Vortrag, der die Vor- und Nachteile einzelner Sensoren aufzeigt, was die Entwicklung der Sensor Fusion motivierte. Es wird ein Überblick geschaffen, wie man vom einfachen Complementary Filter zum Kalman Filter kommt und wie man diesen adaptiert um nichtlineare Zustände zu berechnen. Diese Erweiterung ist als Extended Kalman Filter bekannt, die in den meisten Anwendung der Navigation und Orientierungsbestimmungen von Flugzeugen zum Einsatz

00:11:09

Closing (DS2025)

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

2025/09/21

Closing Licensed to the public under https://creativecommons.org/licenses/by/4.0/de/ about this event: https://talks.datenspuren.de/ds25/talk/FUJERP/

4,304 results

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