Chaos Computer Club - recent audio-only feed

a small talk about getting started with the hobby of model kits! about this event: https://c3voc.de

2025 might be the year of Linux on the desktop at Chaosdorf: ytvwld is trying to reinstall the public Windows laptops with NixOS, Plasma and lightdm. He explains why UX design is hard and why systemd is important. about this event: https://c3voc.de

I tried reverse engineering a plugin for davinci resolve because I am not rich, can't buy it as a tax write-off and wanted a challenge. I do not endorse bypassing DRM illegally … heh about this event: https://c3voc.de

Wir verschaffen uns einen Überblick über die physikalischen Effekte in Aero- und Hydrodynamik, die dafür sorgen, dass Segelschiffe schwimmen, vorwärts fahren und nicht umkippen. Danach wagen wir noch einen Blick darauf, was zusätzlich im Wasser passiert, wenn große Schiffe in engen Kanälen, Hafenbecken und rückwärts unter Motor manövrieren. grober Inhaltsplan statischer und dynamischer Auftrieb, V...

Eine kurze Einführung in die Kunst des Speed Puzzlen und die Community. Auch Puzzlen kann spannend sein! Ich erzähle euch etwas über das Konzept des Speed Puzzlen, die möglichen Strategien und die Community dahinter. Ausserdem werde ich einige Puzzles mitbringen, falls danach gepuzzelt werden will. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://...

sudo systemctl start dhcpd@hhn.service Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://talks.dhcp.cfhn.it/dhcp25/talk/K97WMF/

Das Pentagon findet es gut, die Migrationsbehörde ICE findet es gut, Banken und Wirtschaft finden es gut, Sauron findet es sehr gut und da überrascht es nicht, dass die deutschen Sicherheitsbehörden es auch gut finden: Die Überwachungssoftware Palantir Momentan ist die amerikanische Überwachungssoftware Palantir in aller Munde. Nicht nur, weil die deutsche Polizei es in den Bundesländern Bayern, H...

Variational Autoencoders (VAEs) were first introduced as early concept learners in the vision domain. Since then, they have become a staple tool in generative modeling, representation learning, and unsupervised learning more broadly. Their use as analogues of human cognition is one of the first steps towards the understanding of more complex cognitive models leading up to models of human brain fun...

Social Media geniesst keinen guten Ruf. Reisserische Posts erhalten mehr Reichweite als fundierte Meinungen, polarisierende Inhalte werden gefördert und die Macht darüber, was wir zu sehen bekommen, liegt in den Händen von Tech-Milliardären. Dennoch ist es für Vereine und Organisationen fast unmöglich, ihre Community zu pflegen und ihre Botschaften zu verbreiten, ohne auf Social Media präsent zu s...

See you next year! Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/KAB39N/

Take a trip back through time with me as we learn about how bridges happened. Why did we do it at all? Whose idea was it to hook up the then fledgling matrix.org network to the biggest IRC network? How many databases were shredded in the line of duty? This talk features a journey back through time as we look at bridges and integrations that have been built on Matrix over the years, and what we can...

The Cyber Resilience Act is a new European regulation that has the main goal to increase European cyber security and resilience, through accountability. A lot has been said about the impacts of the CRA on open source, in particular towards non-profit foundations, but what about organisations - such as Element - that operate complex licensing models with a mix of monetised and non-monetised product...

Messaging platforms offer to protect user privacy via a variety of features, such as disappearing messages, password-protected chats, and end-to-end encryption (E2EE), which primarily protect message contents. Beyond such features, "untraceable communication" tools for instant messaging protect users from network attackers observing transport layer metadata, which can reveal who communicates with...

Join us for an introduction to the Element Server Suite Community, the simplest way to deploy a Kubernetes-based Matrix 2.0-ready stack, maintained by Element. This workshop will deploy all the components of the suite: a Synapse homeserver with Matrix Authentication Service enabled, a Matrix RTC backend for calls, and an Element web client. You'll be able to try it on your local laptop using your...

This talk will introduce the Helen Nissenbaum's theory of Contextual Integrity as a framework for understanding privacy in messaging platforms. Contextual Integrity views privacy not as keeping information secret, but as making sure information flows in ways that match people’s expectations in a given context, or in other words, what feels appropriate to share, with whom, and for what purpose. For...

[NeoBoard](https://neoboard.io/) is an open source real-time collaborative whiteboard built on the Matrix protocol. It functions both as a widget within chat-focused Matrix clients like Element Web, and as a standalone web app that acts as a lightweight, whiteboard-centric Matrix client In this talk, we’ll share how we migrated NeoBoard’s real-time collaboration feature from a peer-to-peer WebRTC...

At Oodrive, our mission is to offer a secure and sovereign solution to manage our partners' most sensitive data. Building on this foundation, we are developing a secure collaboration platform that fully aligns with these values. Collaboration cannot happen without communication, therefore we decided to integrate a secure chat in our product. We chose the Matrix protocol to achieve that goal. Now t...

Most of the discussions around privacy laws have been focused on the protection of data and condition of processing. But some others rights are starting to be litigated more widley and will soon play a bigger role for IT systems managers. This talk will focus on the GDPR article 16 (right to rectification), and how the current Matrix spec is inadequate for servers operators aiming to let people ch...

Tammy is a multiplatform Matrix Messenger designed to be redefined by you. Want a different room list layout? Need a messaging interface tailored to a specific use case? Tammy’s extensible architecture makes that not only possible - but easy. In this talk, we’ll showcase how Tammy empowers developers to create radically customized Matrix experiences through its extension system. We’ll walk you thr...

In this talk I will present my journey in developing a decentralized and secure communication platform for a university with thousands students and faculty members. Using Matrix and Element as foundation I tailored the solution to meet academic needs, ensure data privacy and integrate with some systems, bots, widgets etc. The session will cover: - Why Matrix was chosen over other platforms. - Tech...

fairkom has developed a [matrix]-based school messenger for the Department of Education of the German state of Rhineland-Palatinate to serve up to half a million users. Schulchat RLP has one code base for all platforms and is available as app on Apple and Google Play Stores. What makes this solution unique is the deep integration of the identity and user management system from the "Bildungsportal...

A thank you from the organisers. We hope you enjoyed your day! about this event: https://talks.python-summit.ch/sps25/talk/QW7U3F/

Our Lightning Talks are open to everyone 😊 about this event: https://talks.python-summit.ch/sps25/talk/VG8HT8/

Networks are all around us, shaping phenomena like epidemics, communication, and transportation. In this talk, we will explore how real-world problems can be analyzed and solved using graph-based methods and simple algorithms. Drawing from examples such as trade networks, corporate structures, and historical data, I will demonstrate how network analysis reveals insights that would otherwise remain...

Activation functions are fundamental elements of deep learning architectures as they significantly influence training dynamics. ReLU, while widely used, is prone to the dying neuron problem, which has been mitigated by variants such as LeakyReLU, PReLU, and ELU that better handle negative neuron outputs. Recently, self-gated activations like GELU and Swish have emerged as state-of-the-art alternat...