CCC media team

Chaos Computer Club - archive feed

A wide variety of video material distributed by the Chaos Computer Club. This feed contains events older than two years

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CCC media team

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Technology

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1 de out de 2025

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Episódios

Is my system fast? (asg2018) Video 27.09.2018

Computer systems are complex. Most software applications are distributed and expected to scale. That does not make them any simpler. Further, there is the real world all of that is expected to work in. To analyze performance of such a system isn't less complex. Luckily, there is help. The Open Source universe is full of excellent tools that can help. The talk introduces a few of them. The talk wal...

Monitoring Linux Capabilities in the Container using BPF (asg2018) Video 27.09.2018

Modern container engines such as systemd.nspawn and rkt provide a means of restricting privilege by limiting Linux capabilities. At Facebook, however, the heterogeneity of services and complexity of libraries running inside the container, along with our full init system model, make determining the set of capabilities that a task uses non-trivial. In this talk, we will discuss how we tackled this p...

Resource Control @FB (asg2018) Video 27.09.2018

After years of development and experimentation, we finally have comprehensive OS-level work-conserving resource isolation working and are now in the process of deploying for various applications including workload protection and container stacking. This talk examines the project and the resulting resource control methods. FB has been actively experimenting with cgroup2 resource control for years....

Being compliant with Open Container Initiative Spec (asg2018) Video 27.09.2018

Open Container Initiative (OCI) started in 2015 to make different implementations of container runtimes and images compliant with well-defined specifications. Together with other folks at Kinvolk, I have been involved in various OCI projects since months, and encountered various issues that occur in runtime specs and runtime-tools for verification. Since we live in a real world, not everything wor...

LinuxBoot and booting fast (asg2018) Video 27.09.2018

In contrast to most firmware, like UEFI based or the BIOS, Linux is free software, has drivers for everything and is well known to the administrator. So why not use it in the firmware too? Some work has to be done though to fit it into the flash ROM chip and make it fast. Due to increases in flash ROM chip sizes, it’s possible again to put the Linux kernel and an initrd there, and use Linux as a b...

Opening (asg2018) Video 27.09.2018

about this event: https://cfp.all-systems-go.io/en/ASG2018/public/events/222

Cilium - Bringing the BPF Revolution to Kubernetes Networking and Security (asg2018) Video 27.09.2018

about this event: https://cfp.all-systems-go.io/en/ASG2018/public/events/221

Little Services, Big Risks (asg2018) Video 27.09.2018

As we isolate functionality into services distributed across networks, we increasingly strain the concept of trust boundaries. Hosts are no longer simply trusted or untrusted, and each host comes with a new foothold for attackers. This risk is called the Confused Deputy Problem, and it’s part of a growing number of attacks, including the one on Equifax. We need to stop assuming trusted services --...

Container Run-times and Fun-times (asg2018) Video 27.09.2018

A dive into the world of running systemd as an *in container* process manager at Facebook. At @FB we heavily utilize systemd on our servers. But, there's more! We also heavily utilize systemd inside our containers as well! Combined with our btrfs based image deployment mechanism we leverage all the good parts of systemd within our containers. I'll show how we utilize all the various components of...

dbus-broker (asg2018) Video 27.09.2018

dbus-broker is an implementation of the DBus specification, intended to be a drop-in replacement for the reference implementation on Linux. It is now scheduled to be the default system and user bus in the next Fedora release. This talks shows some of the lessons learned during this relatively young project, the challenges faced, what the current status is and the plans for the future. about this e...

Thunderbolt 3 hardware enablement for GNU/Linux (asg2018) Video 27.09.2018

Thunderbolt 3 is a high-speed IO technology that can be used to connect docks, graphic cards or other peripherals requiring high speed. However, the mechanism that allows these high speeds also poses a security risk because malicious devices could obtain sensitive information from the computer's memory. As a result kernel provides an interface to authorize thunderbolt devices before they can be us...

oomd (asg2018) Video 27.09.2018

Running out of memory on a host is a particularly nasty scenario. In the Linux kernel, if memory is being overcommitted, it results in the kernel out-of-memory (OOM) killer kicking in. In this talk, Daniel Xu will cover why the Linux kernel OOM killer is surprisingly ineffective and how oomd, a newly opensourced userspace OOM killer, does a more effective and reliable job. Not only does the switch...

To Run an App With Guarantees We Must First Create The Universe (asg2018) Video 27.09.2018

We’ll look at patterns and anti-patterns for self-contained, immutable runtime environment for applications using Habitat, with a focus on special cases, integrated testing and advanced hacks. about this event: https://cfp.all-systems-go.io/en/ASG2018/public/events/162

Path-agnostic binaries, co-installable libraries, and How To Have Nice Things (asg2018) Video 27.09.2018

Portability is a shining goal for all software -- an objective since the beginning of computing through the present. And yet, it also remains illusive. We once sought to develop software "portable" between whole OSes and kernels; today, we've lost control of our build and distribution pipelines so completely that portability of a binary between two barely-different distributions of linux is consid...

HTTP tunneling in Go using HTTP/2 streams (asg2018) Video 27.09.2018

This talk describes our experience developing Wormhole Connector, a distributed proxy component that connects external enterprise systems to a Kyma Kubernetes cluster. The connection between the Wormhole Connector and the Kubernetes cluster is based on HTTP/2, taking advantage of the stream concept to multiplex multiple connections (HTTP/1 or HTTP/2) through one active HTTP/2 connection. It will c...

systemd in 2018 (asg2018) Video 27.09.2018

about this event: https://cfp.all-systems-go.io/en/ASG2018/public/events/230

Digitale Entmündigung (fiffkon18) Video 27.09.2018

Die letzten 10 Jahre haben nicht nur den Durchbruch von Smartphones, Cloud-Diensten und Künstlicher Intelligenz gebracht. Zeitgleich ist im Netz eine universelle Infrastruktur zum Sammeln von Bewegungs- und Nutzungsdaten entstanden, der zu entkommen längst auch für versierte User schwierig geworden ist. Mein Vortrag wird sich mit den gesellschaftlichen Folgen und sozialen Dimensionen dieser Datena...

Cyber-Sicherheit in der Digitalisierung (fiffkon18) Video 27.09.2018

Cyber-Sicherheit stellt eine Vorbedingung für das Gelingen der Digitalisierung dar. Dass die Gewährleistung von Sicherheit im digitalen Raum eine zentrale Herausforderung darstellt, zeigt der Bericht zur Lage der IT-Sicherheit in Deutschland des BSI in jedem Jahr eindrücklich. Das BSI arbeitet mit verschiedenen Akteuren aus Staat, Wirtschaft und Gesellschaft gemeinsam daran, den Risiken wirksame u...

Podiumsdiskussion zum Thema künstliche Intelligenz (fiffkon18) Video 27.09.2018

Eine Diskussionsrunde über theoretische Grenzen, praktische Möglichkeiten und den politische Diskurs um den KI-Einsatz. Es wird auch um Machtfragen gehen und wer die nötige Daten für ihren Einsatz hat. Wem nützt KI überhaupt und was stellen die Firmen und Staaten damit an? Sollten wir uns primär technisch mit KI beschäftigen oder eher mit denen, die sie für ihre Zwecke nutzen? Zuletzt wird es auch...

Welt -> Modell -> Einschreibung -> Welt' (fiffkon18) Video 27.09.2018

Die Welt ist nicht vom Himmel gefallen – sie wird gemacht, von sozialen Akteuren mit Interessen und gerade auch mit Hilfe von Informatiksystemen. In einer sozio-informatischen Kooperation entwickeln die Referenten ein Framework für die Analyse und Gestaltung von Informatiksystemen, die die zugrunde gelegten und eingeschriebenen Annahmen, Reduktionen und Setzungen aufdecken und hinterfra...

Die Grenzen der Automation durch Künstliche Intelligenz (fiffkon18) Video 27.09.2018

Während in Statistikkursen ausdrücklich davor gewarnt wird, eine Regressionsanalyse für Bereiche einzusetzen, die außerhalb des Messbereichs liegen, werden die Limitationen von Machine Learning-System selten problematisiert. Insbesondere in populärwissenschaftlichen Darstellungen und außerakademischen Anwendungen fehlt eine Sensibilität für die Grenzen der Systeme und mögliche Verzerrungen, die du...

Gestaltungsfreiheiten und Machtmuster (fiffkon18) Video 27.09.2018

Grußworte und thematische Einführung about this event: https://2018.fiffkon.de/program/events/1.html

Sie haben das Recht zu Schweigen (oc) Video 26.09.2018

"Und die deutlichen Beweise warn zehn leere Flaschen Wein. Und zehn leere Flaschen können schnell zehn Mollis sein." Sangen Ton, Steine, Scherben seinerzeit von den vermeintlichen Beweisen für Springers heisses Blatt, so können heute ein paar falsche Klicks oder eine Bankverbindung vielleicht zu einem Verdacht führen. Und wenn der erst mal in die falsche Richtung läuft, dann kann das bis zur Besch...

Segmentation fault (core dumped) (pwb18) Video 25.09.2018

Segmentation fault (core dumped) - Warum IT-Projekte der Bundesregierung regelmaeszig scheitern und welche Auswirkungen dies auf die IT-Sicherheit in Deutschland hat. Juergen Bluemer, Projektmanager fuer Digitalisierung der Energiewende. Segmentation fault (core dumped) - Warum IT-Projekte der Bundesregierung regelmaeszig scheitern und welche Auswirkungen dies auf die IT-Sicherheit in Deutschland...

Best of 18 Jahre BigBrotherAwards (pwb18) Video 25.09.2018

Rena Tangens, Digitalcourage e. V. Rena Tangens, Digitalcourage e. V. about this event: https://c3voc.de

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