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FOSDEM 2019

Free and Open source Software Developers' European Meeting (FOSDEM) is a non-commercial, volunteer-organized European event centered on free and open-source software development.


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FOSDEM 2019
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by Mario Behling At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/eventyay_event_system.webm Eventyay is built based on the experiences and lesson learned from organizers of FOSSASIA Summit after a several years searching for suitable solution. This is a update on the current development of eventyay, the tech stack and feature set. (Please note that it was originally advertised that Hong Phuc Dang would be giving this talk.) Room: H.2215 (Ferrer) Scheduled start: 2019-02-02 16:00:00+01...
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FOSDEM 2019
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by David Teller At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/js_binary_ast.webm The size of JavaScript frameworks and apps increases and won't stop increasing any time soon. Unfortunately, this causes large performance issues, both because the files are large and because the browser needs to spend considerable time parsing them. The JavaScript Binary AST is a new content developed by Mozilla, Bloomberg and Facebook to speed things up, both by making files smaller, and by making it much...
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Make your code count: Quantum simulations and collaborative code development Introduction to QuTiP: the quantum toolbox in Python by Shahnawaz Ahmed At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/make_your_code_count_quantum_simulations_and_collaborative_code_development.webm Open source tools such as QuTiP - The Quantum Toolbox in Python are playing a big part in facilitating research in quantum technologies in both academia and the industry. Such tools provide the users with the...
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FOSDEM 2019
by FOSDEM
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by Clément Oudot At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/lemonldap.webm LemonLDAP::NG is a free WebSSO software, implementing CAS, SAML and OpenID Connect protocols The 2.0 version is a major step in LemonLDAP::NG history. It brings brand new features as second factor authentication, SSO as a Service, devops Handler, etc. This talk will present how the software works, and the main new features. Room: H.2215 (Ferrer) Scheduled start: 2019-02-03 15:20:00+01 Source:...
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FOSDEM 2019
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by Dario Di Nucci At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/ml_on_code_mining_source_code.webm Code is an incredible source of information. Indeed, mining software repositories can tell us whether code is natural, how to use a new framework, or how to identify similar changes. In this talk, I will present state-of-the-art and limitations on the usage of graph-based algorithms to mine software repository. In particular, I will cover how program analysis, pattern mining and pattern...
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Dynamic answer generation with Lua An exploration of the LUA record from the upcoming PowerDNS release by Pieter Lexis At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.601/dns_powerdns_lua_record.webm This talk will focus on an in-zone way of generating dynamic answers to DNS queries using Lua. These LUA records look like TXT in the zone, but the authoritative server will run the code that is inside them to answer a query. This talk details the design, implementation and usecases of these...
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FOSDEM 2019
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by Steve Helvie At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/open_hardware.webm This proposed talk would focus on how Europe is taking the lead deploying and supporting Open Hardware technologies. Large enterprises are looking for best practices gleamed from hyper-scale companies like Facebook, Microsoft and Google who run highly efficient private and public clouds. The sharing of open hardware and data centre designs is a core strategy for these companies and the basis for the Open...
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FOSDEM 2019
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by Nicolas Massart At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/pantheondoc.webm The story of building our enterprise Ethereum client documentation, successes and failures, things we tried, decisions we had to make... Room: UD2.119 Scheduled start: 2019-02-02 11:00:00+01 Source: https://www.youtube.com/watch?v=3zyjQcqxMHQ Uploader: FOSDEM
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FOSDEM 2019
by FOSDEM
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by Hans Verkuil At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/v4l2.webm In the past year a lot of work has been put into improving the V4L2 subsystem. The main addition was the Request API, which is required for stateless hardware codecs, and will help improve complex camera pipelines. Codecs in general saw a lot of attention and our virtual drivers are now being used in test frameworks. So it is time to present an overview of the current state of V4L2 and what can be expected from it...
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FOSDEM 2019
by FOSDEM
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by Paul Masurel At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/deepdive_tantivy.webm Tantivy is a search engine library, akin to Lucene but for Rust. In this talk, we will walk through the building blocks that make a scalable full-text search engine. While this talk will be centered on tantivy, most of the concepts introduced should apply to other inverted-list search engines like Lucene. Room: K.3.201 Scheduled start: 2019-02-03 12:30:00+01 Source:...
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FOSDEM 2019
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by Arek Hiler At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/igt_tools.webm IGT recently underwent quite a few changes. The name is now vendor-agnostic, meson is the new default build system, we are on the GitLab, and the new runner, a piglit replacement, has landed. So what's up with the name change from "Intel GPU Tools" to "IGT GPU Tools"? Is it just GNU, with its sweet recursiveness, being that inspiring or do we really belive that having a vendor agnostic test...
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FOSDEM 2019
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by Wim Bonthuis At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/use_configmanagement.webm After discovering Foreman Ansible Modules I've set up an Ansible Playbook to set up and configure Foreman and Katello. Once its up and running, it allows you to boot PXE machines, or image based using Packer and Gitlab. The lab is deployed on my laptop and showcases the following technologies: lifecycle management (create/update/delete machines) content management...
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FOSDEM 2019
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by Florimond Husquinet At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/emitter_pubsub.webm Emitter: scalable and real-time networking for IoT, web apps and gaming. Open source or cloud based. Emitter.io is a real-time messaging service for connecting online devices. It is a scalable, fast and secure pub/sub in Go. Emitter.io is a real-time messaging service for connecting online devices. - scalable: Built to handle millions of messages per second and to scale horizontally. - Fast: Designed...
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FOSDEM 2019
by FOSDEM
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by Regina Henschel At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/libreoffice_layers.webm The talk introduces you to the concept of "layers" in ODF (Open Document Format), which is completely different from "layer" concepts in image processing. The talk will then explain the "layers" actually implemented in LibreOffice, which come from StarOffice. Finally the presentation shows the resulting challenges for developers to adapt LibreOffice to ODF. Room:...
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FOSDEM 2019
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by Edward Betts At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.126/geo_osmwikidata.webm Wikidata and OpenStreetMap are collaborative open data projects that contain structured data for real world places and things. Adding links between the projects makes the data more useful, but doing this by hand is laborious. I've written a software tool that automates much of the process. Editors of OpenStreetMap can use my software to search for a place or region, generating a list of candidate matches...
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FOSDEM 2019
by FOSDEM
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by Liz Steininger At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/p4_private_periodic_payments_protocol.webm P4 aims to solve the problem of subscription services offering end-to-end private cryptocurrency payments. This protocol introduces periodicity to cryptocurrency payments through an ongoing relationship between the merchant and the customer without unintentionally disclosing personally identifiable information. We are creating this protocol to allow us to offer a truely end-to-end...
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FOSDEM 2019
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by Ludovic Courtès At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/gnuguixminimalism.webm GNU Guix is a package manager and GNU/Linux distribution that builds on Scheme, a Lisp dialect known for its emphasis on minimalism. This talk will be an exploration of Guix’ use of Scheme’s extensibility to build high-level abstractions and user interfaces in a broad sense. GNU Guix is a package manager, GNU/Linux distribution, and more generally a “software deployment toolbox” featuring...
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FOSDEM 2019
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by Matias Martinez At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/ml_on_code_astor.webm Astor is an open-source framework for repairing buggy Java program, which includes 5 publicly available repair approaches. Those repair approaches take as input a buggy Java program (having at least one failing test case that exposes the bug) and search for a patch that produces all test cases to pass. Astor provides twelve extension points that form the design space of program repair. Using those...
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FOSDEM 2019
by FOSDEM
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by Bryan Boreham At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/gogc.webm The Go runtime has a garbage collector (GC) which is famously simple and lacking in tuning parameters compared to, say, a JVM. However there are controls, and in this talk we shall look at what they do and when you might use them. We will also look at how to understand what GC is doing and how much that work might be costing your program. Primarily we will look at the GOGC environment variable, and how it can be...
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FOSDEM 2019
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by Brian Proffitt At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_data_not_community_metrics.webm We all recognize that metrics are key to measuring community health. And that quantitative data is a key to these metrics. But, as Brian Proffitt will describe in this talk, all the data in the world won't help you find answers if you don't know what the questions are. We all recognize that metrics are key to measuring community health. And that quantitative data is a key to these...
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FreeBSD in Audio Studio FreeBSD is usually not the first choice for music art, but it has quite a lot to offer by Goran Mekić At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/freebsd_in_audio_studio.webm This presentation is about tuning FreeBSD OS to give more in the sense of real time audio, possibilities of such a studio and how to make one With preemptive real time kernel and base system which is relatively small, FreeBSD makes the perfect platform for music production studio. With...
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FOSDEM 2019
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by Nick Desaulniers At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/llvm_kernel.webm The Linux kernel codebase has co-evolved with GCC and binutils over its lifetime, but LLVM is now capable of producing production ready Linux kernels. Come learn what some of the challenges were in porting the codebase from GCC/binutils to Clang/LLVM, and what the latest efforts are in both codebases to work towards this goal. The Linux kernel codebase has co-evolved with GCC and binutils over its...
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The state of machine learning operations in 2019: reproducibility, explainability, bias evaluation and beyond by Alejandro Saucedo At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.118/8_principles_production_data_science.webm Description This talk will provide a practical overview of the state of production machine learning frameworks, tools and techniques that seem to have become a trend for the coming year. I will be mainly covering the open source tools and frameworks available in 2019 to...
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FOSDEM 2019
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by Tom Marble, Charles Eckel, Nithya Ruff, Duane O'Brien and Jeff McAffer At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.220/foss_inside_companies.webm Companies regularly use and contribute to FOSS. Most larger companies now employee internal staff who make policy decisions, recommend Tools, oversee license compliance, teach others about FOSS, and interpret community politics for the company. Different offices and departments usually differ in their approaches to managing, using,...
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by Marcus Müller At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/gnuradio.webm GNU Radio is one of the biggest and most widely adopted SDR framework in the free software world. In this talk, we will lay out how we intend to keep it going for the next year, and beyond. GNU Radio is one of the biggest and most widely adopted SDR framework in the free software world. It's history is pretty interesting, and spans multiple decades at this point. However, we're far from being done! We will...
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FOSDEM 2019
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by David Shah At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/trellis_and_nextpnr.webm Following on from Project Icestorm; Project Trellis has created bitstream documentation for the substantially larger Lattice ECP5 FPGAs. This has been combined with a new multi-architecture FOSS place-and-route tool, nextpnr, and the existing Yosys Verilog synthesis tool to build a fully-FOSS FPGA flow for these parts; capable of building advanced designs including SoCs running Linux! This talk will...
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FOSDEM 2019
by FOSDEM
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by Vitaly Kuznetsov At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/vai_enlightening_kvm.webm Is running a Windows guest any different from Linux from KVM's perspective? KVM can pretend being Hyper-V and this is actively used for running Windows guests. Following Hyper-V naming convention, individual features are named "enlightenments": some of them are already mature, some of them were just added to KVM and some are still waiting to be implemented. What are these features and...
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Mobile design with device-to-device networks Exploring the design space of novel technologies through research, design, prototyping and storytelling by Felipe Erias At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/device_to_device_networks.webm This talk outlines a strategy for designing interactions that take advantage of novel technologies by combining research, design, prototyping and storytelling. Current and future network standards (e.g Neighbour Awareness Networking) will allow...
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FOSDEM 2019
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by Mei-Chin Tsai and Sergiy Kuryata At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/dotnet_runtime_tuning.webm Developers generally enjoy increased productivity when working in a managed code environment. What might not be obvious to them is the amount of investment in the managed code’s Virtual Machine to enable both productivity and high performance. Microsoft’s .NET team would like to share how they designed the runtime environment to balance convenience, fast startup,...
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FOSDEM 2019
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by Patrick Höhn At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.126/geo_navit.webm Navit is a car navigation system with routing engine. Navit's modular design is capable of using vector maps of various formats for routing and rendering on the screen. It's even possible to use multiple maps at the same time. Points of Interest of various formats are displayed on the map. The current vehicle position is either read from gpsd or directly from NMEA GPS sensors. The routing engine not only...
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FOSDEM 2019
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by Kuba Podgórski At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/gitdatabase.webm Data retrieval team at source{d} process lot of data from git repositories. Most of the key components in our workflow like engine, gitbase, mysql-server are implemented in Go. This talk will go through the story how we embedded "pilosa" (distributed bitmap index) in our SQL frontend for git repositories. - Why we decided to use bitmaps as indexes - How we got to the point where we are (we have...
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FOSDEM 2019
by FOSDEM
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by Zaheda Bhorat At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/love_everyday.webm Build a career doing what you love. Open source is an enabler and the community can be your best coach, mentor and referral. Whether you are a beginners or someone who has been working in open source for years, the speakers covers tips in building an open source career. On bringing out the best in yourself, the community and your project. Room: K.1.105 (La Fontaine) Scheduled start: 2019-02-03 09:00:00+01...
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FOSDEM 2019
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by Julia Teissl At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/ada_train.webm Numerous small villages in Austria have lost their connections to the railway network because it was no longer cost-effective to operate under a regular schedule. To re-establish these connections, FH Campus Wien started the project "autonome, schienengebundene, on-Demand, open-Track Systeme" AuSoDoTS (Autonomous rail bound on-Demand Open Track systems). The project's objective is to develop a concept...
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FOSDEM 2019
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by Arik Hadas At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/vai_towards_exploring_virtual_disks.webm How many times did you need to start a virtual machine and either provide it with a directory on the host or use some file-sharing service (e.g., dropbox) or your email, just to copy a resource that resides within the virtual disk? In this session, Arik presents the upcoming integration between the muCommander file-manager and libguestfs. This produces an alternative to that complex...
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FOSDEM 2019
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by Sage Weil At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/ceph_project_status_update.webm Project status update, and preview of what is new in the Ceph Nautilus release, due out this month. Management dashboard, unified orchestration CLI and GUI across kubernetes and bare metal environments, device failure prediction, PG num autoscaling, memory autoscaling, live RBD image migration, and more. Room: H.2214 Scheduled start: 2019-02-03 10:55:00+01 Source:...
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FOSDEM 2019
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by Molly de Blanc At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.220/community_guidelines.webm Is there a single right way to enforce a code of conduct, community guidelines, or whatever you call the systems you have to help maintain a good community? This is a peek into how the Debian Anti-Harassment (AH) team functions, a few (anonymized) examples of issues handled, and the philosophy behind helping the Debian community to be a welcoming place for all contributors. The Debian code of...
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FOSDEM 2019
by FOSDEM
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by Peter Zaitsev At: FOSDEM 2019 https://video.fosdem.org/2019/H.1301/mysql_replication_advance.webm MySQL Replication is powerful and has added a lot of advanced features through the years. In this presentation we will look into replication technology in MySQL 8 and variants focusing on advanced features, what do they mean, when to use them and when not, Including When should you use STATEMENT, ROW or MIXED binary log format ? What is GTID in MySQL and MariaDB and why do you want to use them ?...
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FOSDEM 2019
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by Christophe Strobbe At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/educational_resources_on_digital_accessibility.webm The accessibility of digital technologies in the European Union (EU) varies from country to country, due, in part, to differences in accessibility-related legislation. In October 2016, the European Parliament accepted a directive on the accessibility of websites and mobile applications provided by public sector bodies (Directive (EU) 2016/2102). New public sector...
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by Mario Torre and Marcus Hirt At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/imc.webm Recently open sourced, JDK Mission Control is the industry standard tool for Java performance analysis in production environments. This presentation will introduce the tool and explain how to use it to solve various production time problems with very little overhead. We will also discuss how application developers can extend their applications to take advantage of the event recording capabilities of the...
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FOSDEM 2019
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by Jess Portnoy At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/media_migrating.webm Adobe Connect is a proprietary platform for virtual presentations, conferencing sessions and screen recordings. Recently, one of our customers has requested our assistance in migrating their content from Adobe Connect to Kaltura. We've released the project as FOSS [licensed under AGPLv3]. This session will cover the challenges we faced and the FOSS tools we used to overcome them. During the session, we...
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FOSDEM 2019
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by Rémi Duraffort At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/lava_federated_testing.webm LAVA is an automated validation architecture primarily aimed at testing deployments of systems based around the Linux kernel on ARM devices, specifically ARMv7 and later. LAVA is becoming the de facto standard to test software (bootloader, kernel, userspace) on development boards (rpi, juno, beagle, ...). It's used by many projects to build large testing systems like kernelci. LAVA is at the same...
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FOSDEM 2019
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by Nicolai Hähnle At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/llvm_tablegen.webm TableGen is LLVM's DSL for describing intrinsics, backends' machine instructions, physical registers, machine scheduling models, and a bunch of other things. It is extremely flexible and powerful, but can also be rather aggravating. Most people who spend a significant amount of time working on an LLVM backend probably develop a love/hate-relationship with it. The goal of this talk is to give a brief...
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FOSDEM 2019
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by Nikolai Kondrashov At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/microcontroller_firmware_from_scratch.webm Follow a journey of writing STM32 microcontroller firmware from scratch, using open-source tools. Follow Nikolay Kondrashov's journey of learning to write firmware for an STM32 microcontroller (the Blue Pill one) from scratch, using only open-source tools. From blinking LEDs, to controlling a toy car, without the complicated, and license-restricted manufacturer's libraries, or...
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FOSDEM 2019
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by Stephano Cetola and Alexander Graf At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/uefi_boot_for_mere_mortals.webm Over the past decade the Unified Extensible Firmware Interface (UEFI) has become the primary standard for boot firmware. However, the complexity of the UEFI spec and the myriad of implementation choices can be confusing to even experienced developers. Fortunately, there are a growing number of open source UEFI implementations for different architectures, making it easier...
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FOSDEM 2019
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by JC Brand At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/converse_xmpp.webm Converse (and XMPP) provides a federated alternative to other chat apps. You can set up a chat instance for your own project or team, while still using the same account to join other team chats on other servers. In this talk I'll show the advances that have been made the last two years, discuss some of the challenges we're facing and explain how we're improving and extending the XMPP protocol to fulfill modern...
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FOSDEM 2019
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by Tobias Jungel At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/from_closed_to_open_source_switch.webm A journey over the last ten years of opening access to switching ASICs. Starting with OpenFlow going through the lands of open APIs we have reached the harbours of openness. Are we there yet to build a truly open Network Operating System? Open Source got mainstream in the world of switching ASICs. We nowadays can get open access to steer multiple terabits of packets through the network....
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Document Redaction with LibreOffice Preventing Leakage of Sensitive Information by Redaction in Collaborative Environments by Muhammet Kara At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/collab_drwl.webm Redaction in its sanitization sense (as distinguished from its other editing sense) is the blacking out or deletion of text in a document, or the result of such an effort. It is intended to allow the selective disclosure of information in a document while keeping other parts of the...
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FOSDEM 2019
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by Kai Nacke At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/llvm_irgen.webm A close look at IR code generation inside a Modula-2 compiler. With LLVM, one of the main tasks of an compiler engineer is to design the IR code generation from an abstract syntax tree (AST). How easy is it? Although I have worked with and on LLVM for several years now I have not yet written an compiler from scratch. So I began to work on my own compiler for an simple yet powerful language: Modula-2. In this talk...
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FOSDEM 2019
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by Jos Poortvliet At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/collab_pce.webm Private clouds are all the rage! Ok, not really, but privacy violations certainly are. Facebook, Dropbox et all are not exactly providing a safe home for your family pictures and as such, alternatives are sought after. Nextcloud gives you a place where your data is stored, designed to protect rather than exploit it. Self-hosted or at a provider you trust, your Nextcloud lets you share, chat and edit...
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FOSDEM 2019
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by James Shubin At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/mgmtconfig.webm Mgmt is a next gen config management tool that takes a fresh look at existing automation problems. The tool has two main parts: the engine, and the language. This presentation will have a large number of demos of the language. The language is a minimalistic, functional, reactive DSL. It was designed to both constrain the user with safe types, and no core looping constructs, but also to empower the user to...
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Matrix in the French State What happens when a government adopts open source & open standards for all its internal communication? by Matthew Hodgson At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/matrix_french_state.webm At the beginning of 2018, the French Government reached out to Matrix.org to discuss the idea of creating an entirely open source, standards-based encrypted messaging app as the official means of instant messaging and VoIP communication across the government;...
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FOSDEM 2019
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by Alexandre Brianceau At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/configurations_prove_yours.webm How can we be sure of the continuous configuration management proper operation? How to expose factual topic-related reports to dev, sec, managers, customers...? We believe that, in order to deliver the full business and collaboration value of continuous configuration management, the solution needs to go further than simply applying policies - it must ensure configuration reliability;...
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FOSDEM 2019
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by Adam Samalik At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/linux_distributions_lifecycles_containers.webm Deploying software has lots of solutions, but what gets deployed often plays out as a fight between developers and operators. Developers want the latest (or at least later) code. Operators want things in nice packages, certified, and with a known period of support. What we need is a catalog of software with the variety of versions the developers need, with the qualities expected...
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FOSDEM 2019
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by Paul Girard At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/graph_french_trade_study.webm France started to compile statistics about its trade in 1716. The "Bureau de la Balance du Commerce" (Balance of Trade's Office) centralized local reports of imports/exports by commodities produced by french tax regions. Many statistical manuscript volumes produced by this process have been preserved in French archives. This communication will relate how and why we used network...
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Debian Java: Insights and challenges learn more about the daily work to package Java software for Debian by Markus Koschany At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/debian_java.webm The talk gives insights into the state of Java in Debian and what challenges contributors face when we package Java software for the Debian GNU/Linux distribution. Participants will learn more about how the Java ecosystem is integrated into Debian, what problems have to be solved and how Java software...
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FOSDEM 2019
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by Jens Freimann At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/virtio_update.webm Virtio 1.1 was released recently and it brings some exciting new features, pushing forward performance and hardware implmementations of Virtio. In this talk we will look into what happened since FOSDEM 2018 and also look at which features are on the horizon and can be expected soon. Virtio is a common framework for IO virtualization in hypervisors. It is part of DPDK accelerated Open vSwitch and allows for...
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by Tomislav Jovanovic At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/global_consent_manager.webm Global Consent Manager project is a collaboration between Mozilla, University of Missouri and University of Nebraska Omaha. The result is a browser extension prototype that helps with managing of GDPR cookies and consent dialogs across trusted websites. Description of how consent management on the web works today, and the relationship between user privacy and reputable content providers. Web...
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FOSDEM 2019
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by Scott Hanselman At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/open_source_microsoft.webm Scott will talk about the last ten years at Microsoft. Scott went there specially to open source .NET and promote open source in general to a company that wasn't (at the time) OSS friendly. A decade later we have achieved that and .NET Core runs everywhere from microcontrollers to iPhones to any cloud. 40% of Azure runs Linux. .NET Core runs on every Linux and the full stack is open source, all...
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Open Source Hardware for Smart City OSHW LoRaWAN implementation for Parking, Air quality, City lighting and Waste management by Tsvetan Usunov At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/oshw_smart_city.webm Smart City concept includes Park Management, City Lighting management, Waste Management, Public Transport monitoring and management, Air quality monitoring, Security and People Healthcare alerts and monitoring. Olimex is working on OSHW solutions for two popular LWPAN...
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FOSDEM 2019
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by Sébastien Valat At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.118/numaprof.webm Memory is now a key component to understand and control to extract the best performance from High Performance Computing computer architectures. With an increasing gap between CPU and memory speed, the memory accesses themself now represent one of the largest performance impact which increase the impact of the memory layout on performance. On the other side, the memory size available is still growing with now...
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by Luca Deri and Samuele Sabella At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/merging_system_and_network_monitoring_with_bpf.webm Network traffic monitoring is traditionally based on packet analysis. While this approach still makes sense in many contexts, it is unable to provide detailed visibility when containers or virtual systems are used. This talk describes how the advent of eBPF enables the creation of monitor rich applications that can provide both network and application...
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FOSDEM 2019
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by Dele Olajide At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/pade.webm Pàdé (the "p" is pronounced explosively) is a new unified communications solution from the Ignite Real-time community that is built by integrating the SIP and HTTP protocols with XMPP and is focused at the enterprise desktop for small and medium sized businesses. It is implemented client-side as a web browser extension and server-side as a collection of supporting plugins that run inside the Openfire XMPP...
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A microkernel written in Rust: Porting the UNIX-like Redox OS to Armv8 A case study of Rust as a language for writing microkernel based compositions by Robin Randhawa At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/microkernel_written_in_rust.webm This talk is about my experiences porting the Rust language based Redox OS stack to the Arm v8 architecture. The talk uses this theme to discuss the general importance of microkernel architecture in safety critical domains, the trends I've seen...
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Organisational Processes in Decentralized Software roundtable open to decentralized software developers by Natacha Roussel and zeyev At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/organisational_processes_in_decentralized_software.webm We would like to invite developers for a round table to discuss the specificity of the organization of decentralized software, and to address organizational issues that are crucial for the survival of the projects we love. F/LOSS development is often...
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FOSDEM 2019
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by Steinar H. Gunderson At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/media_futatabi.webm Futatabi is a free software solution for doing instant replay, e.g. for sports production. It supports multiple cameras, high-quality realtime slow motion on the GPU through optical flow, and seamless integration with Nageru, my live video mixer. We'll talk a bit about how interpolation through optical flow works, challenges in transporting the streams back and forth, and demonstrate a real-world...
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Asterisk WebRTC frontier: make client SIP Phone with sipML5 and Janus Gateway Analyzing a real project on production (www.nethvoice.it) we will look at two different implementations of a SIP Phone WebRTC of NethCTI Web App. We will see great code examples, WebRTC technologies and a real demo of an audio/video call by Alessandro Polidori At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/webrtc_sip_phone.webm We will analyze the steps to make audio & video communications (as SIP Phone...
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FOSDEM 2019
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by Maxime Buquet At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/xmpp_sprint.webm This talk will be about how I approached problems organizing sprints, what issues I faced and how I solved them. This summer, on August 18-19th, was held the first developer event in the XMPP community for a long time. The idea came up at the Gulaschprogrammiernacht, in Karlsruhe earlier this year. I set a goal for myself to start a movement in the community, gather interested people, and work together to...
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FOSDEM 2019
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by Merlijn B. W. Wajer At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/maemo_leste_mobile.webm Maemo Leste is community a Debian/Devuan based GNU/Linux distribution for smartphones and tablets aimed at free software hackers. In spirit and look it is similar to the Maemo Fremantle OS for the famous Nokia N900 phone. This talk will present the current (alpha) state of Maemo Leste, the presently supported devices, our development setups, the present and upcoming challenges and lay out the...
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FOSDEM 2019
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by Jean-Pierre Rosen At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/ada_introduction.webm An overview of the main features of the Ada language, with special emphasis on those features that make it especially attractive for free software development. Ada is a feature-rich language, but what really makes Ada stand-out is that the features are nicely integrated towards serving the goals of software engineering. If you prefer to spend your time on designing elegant solutions rather than on...
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FOSDEM 2019
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by Paul Boven At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/sdr_dwingeloo.webm The Dwingeloo radio telescope is a historic instrument in the Netherlands. At its opening in 1956, the 25m dish was the largest fully steerable radio telescope in the world. These days it is run by a group of volunteers, who have restored and rejuvenated the instrument. It is used for radio astronomy and amateur radio, but also for outreach and art projects, to name a few of our activities. We perform...
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Making the next blockbuster game with FOSS tools Using Free Software tools to achieve high quality game visuals. by Juan Linietsky At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/blockbuster_game.webm More than ever before, It is now possible to create high quality looking game visuals with little effort by using free and open source software tools. The combination of Blender, Gimp, Krita and Godot Engine running under Desktop Unixes gives the developers unprecedented creative power and...
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Next Generation Internet initiative - Year Zero Come work for the internet on privacy, trust, search & discovery by Michiel Leenaars At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/nextgen_internet.webm Last year during a FOSDEM keynote Michiel Leenaars, director of strategy at NLnet foundation, introduced the Next Generation Internet initiative together with member of the European parliament Marietje Schaake. NGI aims to be the first concerted effort to put significant public funding...
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FOSDEM 2019
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by Zeeshan Ali At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/media_gstreamer_rust.webm GStreamer is a popular framework of choice for multimedia programming in the Linux world, especially for embedded. Since efficiency is a typical core requirement for embedded solutions, traditionally C/C++ have been the languages of choice for writing GStreamer applications and plugins. Unfortunately, this efficiency comes at the price of safety. Even the most skilled C/C++ developers make mistakes...
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FOSDEM 2019
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by David Moreno At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/vboard_3d_vr.webm There are plenty of tools that can analyze data in many ways, but just a few of them try to visualize this data in new ways. This is the aim of VBoard, a 100% open source web application that allows building visualizations and dashboards in 3D and VR using A-Frame as its core render library. The data is retrieved in real time using a ElasticSearch, and VBoard saves its objects (visualizations, dashboards) in...
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FOSDEM 2019
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by Martin Děcký At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/hardware_software_co_design.webm While the performance overhead of IPC in microkernel multiserver operating systems is no longer considered a blocker for their practical deployment (thanks to many optimization ideas that have been proposed and implemented over the years), it is undeniable that the overhead still does exist and the more fine-grained the architecture of the operating system is (which is desirable from the...
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