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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Episodes
Upstream first or, how to avoid maintenance hell (froscon2022) Video 21.08.2022 1:02:34
Using open source is easy! The great thing about open source is that you can adapt it, apply patches, include your own code snippets, … That is, until you realize that you now have more and more projects to maintain on your own. You need to re-patch new versions, import security patches into your local branch of the software or manually apply updates. In short, you are in maintenance hell. Using o...
Introduction to modern fuzzing (froscon2022) Video 21.08.2022 1:05:26
This talk is a hands-on introduction to fuzz testing. After a basic introduction to fuzzing we will give a live demonstration of our open source fuzzing tools, supporting C/C++, Java, JavaScript and Go. They will showcase modern state-of-the-art fuzzing approaches and demonstrate the different kinds of bugs one can detect. To get everyone on board we will take a short tour through the history and...
Monitoring wie es 2022 sein sollte (froscon2022) Video 21.08.2022 57:56
Einfaches, effizientes und schnelles Monitoring mit Open Source – das auch noch Spaß macht Beim Thema Monitoring haben die meisten gleich Nagios im Kopf, zusammen mit eingestaubten Konfigurationsdateien und der Unlust das irgendwie anpacken zu müssen. Bei openITCOCKPIT erfolgt die Konfiguration ausschließlich über die Weboberfläche, kann aber auch automatisiert über die API abgewickelt werden. Mit...
Lightning talks IV (sotm2022) Video 21.08.2022 19:39
Lighting talks registered during the State of the Map conference. ## Offline Web Mapping Server UNVT Portable The United Nations Vector Tile Toolkit. _by Shogo Hirasawa, Taichi Furuhashi_ ## Liaising OpenStreetMap (OSM) Community and Research Community with the Policy Makers: Reducing the Data Gap in Disaster Management _by Airin Akter, Shraddha Sharma_ ## Unique Mappers Network: The OpenStreetMap...
OSM for sustainable transport planning (sotm2022) Video 21.08.2022 29:47
OpenStreetMap (OSM) data has the potential to facilitate bottom-up approach to transport planning which is essential for localized data-driven policy interventions. Given this, OpenInfra project is exploring the potential of OSM data in transport research with a focus on active travel. The exploration showed that currently missing data limits the applicability of OSM data. Nevertheless, we argue t...
OSM & Trails: New Collaborations for Responsible Recreation (sotm2022) Video 21.08.2022 26:50
Sparked by concerns about OpenStreetMap's role in how the public accesses and recreates on protected lands, OpenStreetMap US volunteers, navigation app developers, national agencies and public land managers formed the OpenStreetMap US Trails Working Group in 2021. Bringing together a diversity of perspectives on trail mapping practices, trail safety, and protecting the environment, this group is w...
Null Island - a node of contention in OpenStreetMap (sotm2022) Video 21.08.2022 27:27
Null Island is where the prime meridian meets the equator at (0,0) longitude and latitude. While Null Island is a fictitious, dimensionless, point object, its existence stimulates vigorous debate making it worthy of serious consideration. Many examples exists illustrating how Null Island impacts OSM discourse. Our study considers what the geographic oddity of Null Island means for OSM. The main co...
Routing not only for Prams (sotm2022) Video 21.08.2022 28:11
What must be mapped to make routing for prams and wheelchairs practical? Three years ago, the local meet-up in Dortmund, Germany, started a campaign to make step-free routing available for the general public. The lessons learned mean that such routing is possible, but there is a lot missing to map - both in Dortmund and in all other parts of the world. Map the essential where fellow mappers are sp...
Automated derivation of public urban green spaces via activity-related barriers using OpenStreetMap. (sotm2022) Video 21.08.2022 26:19
Urban green spaces serve people for active and passive recreation. On the basis of OpenStreetMap data, suitable green spaces are to be derived in order to incorporate them as recreation destinations in a location-based service (the “meinGruen” app) as polygons. The modelling approach focuses on activity-related barriers in the context of urban green, transitions between different land use classes,...
Open Accessibility (froscon2022) Video 21.08.2022 45:58
Barrierefreiheit für alle, immer und überall, zumindest in OSS, darum soll es in dem Vortrag gehen. Wer profitiert von gut nutzbarer Software? Welche Prozesse führen zu mehr Barrierefreiheit? Was können wir tun, um accessibility by design zu erreichen? Durch die zunehmende Nutzung von OSS auf dem Desktop an Schulen und Hochschulen wie im öffentlichen Dienst in Norddeutschland, werden immer mehr Mä...
Deploy software with systemd-sysext (froscon2022) Video 21.08.2022 43:18
Various container runtimes exist on Linux to run software without installing packages on the host system. The nature of containers implies separation of the host system which sometimes is a gap that needs to be bridged again. For systemd services the "portable service" format allows to run a service with its own dependencies bundled in a filesystem image. However, like a container it still does no...
web.py – Web-Anwendungen in Python (froscon2022) Video 21.08.2022 59:28
Du brauchst eine kleine plattformunabhängige Anwendung? Du kannst Python lesen und schreiben? Dann probiere doch mal web.py, ein kleines Web-Framework mit sehr niedriger Einstiegshürde! Mit wenigen Codezeilen sind auch komplexere dynamische Web-Anwendungen realisierbar, die alles mitbringen, um sie autark unter jedem gängigen Betriebssystem betreiben zu können. Der Vortrag erklärt die ersten Schri...
batou (froscon2022) Video 21.08.2022 1:00:03
batou ist ein Python-basiertes Deployment-Werkzeug, das sich für einfache und komplexe Anwendungen eignet. Im Vortrag werden die wesentlichen Grundideen hinter batou erläutert indem wir ein Deployment für die Konfiguration von Cumulus-Switches bauen. Eine besondere Eigenschaft von batou stellt dabei das fraktale Modell dar: es erlaubt den leichten Wechsel zwischen deklarativer Modellierung und imp...
Opencanary, eine Alarmanlage gegen Einbrecher im Netzwerk (froscon2022) Video 21.08.2022 1:02:36
Schaffen Sie mit OpenCanary eine Netzwerkalarmanlage, mit dem Sie Hacker abfangen können, bevor diese Ihre Systeme vollständig kompromittieren. Unternehmen brauchen in der Regel 6 Monate, um herauszufinden, dass sie Opfer einer Cyberattacke waren. Je länger es dauert, desto kostspieliger wird der Vorfall. Wenn man sich mit den digitalen Angriffen und Reaktionsempfehlungen beschäftigt, ist man als...
Returning the favor - Leveraging quality insights of OpenStreetMap-based land-use/land-cover multi-label modeling to the community (sotm2022) Video 21.08.2022 5:37
The fitness of OSM for multi-label classification is proven. A workflow to enhance OSM-based multi-labels using machine learning is established. The results are provided to the OSM community via the HOT Tasking Manager. # Introduction Land-use and land-cover (LULC) information in OSM is a challenging topic. On the one hand, this information provides the background for all other data rendered on th...
Corporate editing and its impact on network navigability within OpenStreetMap (sotm2022) Video 21.08.2022 7:54
Using intrinsic quality indicators we explore how network quality, in terms of its suitability for navigation, varies across areas with relatively high and low corporate editing in OpenSteetMap. Our work shows areas with relatively high rates of corporate editing exhibit not only an overall increase in data quality, but also increased rates at which quality improves. OSM (OSM) contributors have tr...
Investigating the capability of UAV imagery in AI-assisted mapping of Refugee Camps in East Africa (sotm2022) Video 21.08.2022 5:56
This pilot project is connected to a larger initiative to open-source the assisted mapping platform for Humanitarian OpenStreetMap (HOTOSM) based on Very High Resolution (VHR) drone imagery. The study test and evaluate multiple U-Net based architectures on building segmentation of Refugee Camps in East Africa. Introduction Refugee camps and informal settlements provide accomodation to some of the...
Inequalities in the completeness of OpenStreetMap buildings in urban centers (sotm2022) Video 21.08.2022 5:17
Albeit the manifold usage of OSM building footprints an adequate investigation into their completeness on the global scale has not been conducted so far. This talk investigates OSM building completeness within all 13,135 urban centers covering about 50% of the global population. The collaborative maps of OpenStreetMap (OSM) have become a major source of geospatial baseline data for humanitarian or...
Exploring Human Bias and Effects of Training in OSM mapping: A Behavioral Experiment in Singapore (sotm2022) Video 21.08.2022 24:45
Human factor is one of the most crucial elements in crowdsourced mapping. This research explores how human bias affects the mapping process and whether such effects can be mitigated through targeted training with a behavioral experiment. The experiment uses a two-group randomized design. The treatment group receives more advanced training than the control group. There are two goals for the experim...
The cell size issue in OpenStreetMap data quality parameter analyses: an interpolation-based approach (sotm2022) Video 21.08.2022 6:54
The quality of OSM data is dependent on many different factors and is quite heterogeneous. Therefore, in both intrinsic and extrinsic quality parameter analyses, a common practice is subdividing the study areas into subareas. In this paper, we worked on a method for obtaining the optimal grid cell size for OSM data quality analysis. Furthermore, we proposed that if the quality is homogeneous in a...
Adapting Java for the Serverless world (froscon2022) Video 21.08.2022 58:17
Java is for many years one of the most popular programming languages, but it used to have hard times in the Serverless Community. Java is known for its high cold start times and high memory footprint. For both you have to pay to the cloud providers of your choice. That's why most developers tried to avoid using Java for such use cases. But the times change: Community and cloud providers improve th...
MySQL 8.0.30 (Community) - Status Quo (froscon2022) Video 21.08.2022 52:59
MySQL 8.0 wird etwa alle drei Monate akualisiert. Dabei kommen immer wieder kleiner (und größere) Funktionen dazu die teils erheblich Admins das Leben vereinfachen (MySQL Dump vs. MySQL Shell Dump) In diesem Vortrag schauen wir uns die Änderungen der letzten zwei (Corona) Jahre in der Tiefe an... MySQL 8.0 wurde bereits in 2018 als finale Version zur Verfügung gestellt und geht bald ins 5te "Leben...
Troubleshooting (Enterprise) Web Applikationen mit OpenSource Tools (froscon2022) Video 21.08.2022 55:27
Koennen uns Werkzeuge aus dem Ethical Hacking oder Bug Bounty Hunter Bereich bei unserer taeglichen Arbeit mit Webapplikationen unterstuetzen? Koennen uns Werkzeuge aus dem Ethical Hacking oder Bug Bounty Hunter Bereich bei unserer taeglichen Arbeit mit Webapplikationen unterstuetzen? Im Umgang mit gekauften Closed Source Web Applikationen die auf Basis von WebSphere Application Server und Kuberne...
Fileserver online (froscon2022) Video 21.08.2022 54:58
Klassische Fileserver können in vielen Fällen durch Web-gestützte Dateimanagement-Tools ergänzt oder auch gänzlich ersetzt werden. EGroupware hat einen Dateimanager integriert und bietet viele Möglichkeiten zur Dateiverwaltung inklusive Filesharing und Online Office-Integration. Dieses Vortrag greift diese einzelne Anwendung aus EGroupware heraus und zeigt die Funktionen und Einsatzmöglichkeiten i...
Foreman SCC Manager: Rechenzentrumsautomatisierung von SLES (froscon2022) Video 21.08.2022 48:12
Der Vortrag startet mit einem Einstieg zur Rechenzentrumsautomatisierung mit Foreman und Katello. Danach wird das "Foreman SCC Manager" Plugin vorgestellt, welches die Bereitstellung von Softwarepaketen und Errata für verwaltete Systeme, auf welchen SUSE Linux Enterprise Server läuft, vereinfacht. "SCC" steht hier für SUSE Customer Center. Im Zuge unseres Open Source-Engagements wird dieses Plugin...
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