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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 Lauri Apple At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_collaboration_open_source_is_the_better_way.webm Do you wish that your project team was more productive? Do you struggle with communication and project quality? Are you missing opportunities to make a bigger impact because of ineffective communication? Are you unsure why there is turnover among your most effective contributors? Do you see the benefits that collaboration brings to other projects, but are unsure how it...
Topics: Youtube, video, Science & Technology
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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FOSDEM 2019
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by Steve Ognibene At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/dotnet_netcore_2_1_in_production.webm In this talk, Steve will discuss the benefits and challenges his team found using .NET Core 2.1 in production at Namely.com. We'll discuss .NET Core service deployment in containers on Kubernetes, how we monitor our services with logs, charts, and alerting, and how we use service templates and a common .NET Standard helpers library to promote consistency and type safety, and to...
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FOSDEM 2019
by FOSDEM
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by Mikayla Hutchinson At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/dotnet_typescript_lightning_talks.webm Do you want to give a talk about .NET or Typescript but didn't submit a proposal in time? Sign up on the day for a lightning talk! Slots will be around 5 minutes. Although you can sign up in person at the event, if you'd like to discuss your talk idea in advance, feel free to email m.j.hutchinson at gmail. Room: K.3.201 Scheduled start: 2019-02-02 18:15:00+01 Source:...
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FOSDEM 2019
by FOSDEM
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by Mikayla Hutchinson At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/dotnet_wasm_toolchain.webm Using WebAssembly, Mono can now run your C# and F# code in the web browser. You'll learn about Mono's WebAssembly backend and the AOT and interpreter engines that power it, and see its modern dotnet SDK based toolchain in action. Room: K.3.201 Scheduled start: 2019-02-02 10:30:00+01 Source: https://www.youtube.com/watch?v=Kp5YkpYdVZ4 Uploader: FOSDEM
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FOSDEM 2019
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by Nicolas Auvray At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/0ad_rts.webm 0 A.D. is a free and open-source game of ancient warfare. It is a real-time strategy game which can compete with the classics of the industry, but comes with absolutely no cost for the players. Come and discover your new favorite game! We will present the game, its features and beautiful art, and its completion state: the game is fully playable, with a challenging AI for solo players and a fully-fledged...
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FOSDEM 2019
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by Vladislav Belov At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/0ad_graphics.webm A story about graphics and graphic problems that we have in development of 0 A. D. - the open-source game of Wildfire Games. Talking structure: A little history of 0AD (https://play0ad.com/about/the-story-of-0-a-d/) Used technologies and how it works (SDL, OpenGL 1/2, ARB/GLSL shaders) Known problems (inaccurate hardware statistics, old OpenGL, driver/application crashes on Intel cards on different OS,...
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FOSDEM 2019
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by Alexander Todorov At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/test_case_management.webm In the world of professional QA there are many proprietary test management tools but very few open source ones. This lightning talk will tell the audience why and how we resurrected Kiwi TCMS and what are we doing to make it the best open source test case management system! FOSDEM marks 10 years since the first version was released and our team will celebrate at the Open Source Test Management...
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FOSDEM 2019
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by Jon 'maddog' Hall At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/keynote_fifty_years_unix.webm 2019 marks the fiftieth anniversary of Unix, but it is also the fiftieth anniversary of the ArpaNet/Internet, and people walking on the moon. It marks the 50th anniversary of Woodstock, the beginning of America's LGBTQ movement at the Stonewall Inn in New York City, and maddog wrote his first program fifty years ago. It was also in 1969 that he shaved for the last time. 2019 marks the 30th...
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FOSDEM 2019
by FOSDEM
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by Deb Goodkin At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/25_years_of_freebsd.webm FreeBSD is 25 years old! Learn the history of FreeBSD, why its use is increasing, and why you should use and/or contribute to FreeBSD! Room: K.3.401 Scheduled start: 2019-02-02 10:30:00+01 Source: https://www.youtube.com/watch?v=dlhVhbClurM Uploader: FOSDEM
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3Geonames.org An open source Geocoding system for the simple communication of locations with a resolution of 1 m by Ervin Ruci At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.126/geo_3geonames.webm Encoding geographic coordinates into a string is a trivial thing. Yet, there are many grid based systems (geohash, PlusCodes, Mapcodes), and some even turn the thing into a business (Zippr, What3Words). I agree with the commonly stated motivation that Latitude and Longitude are not sufficient for...
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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
by FOSDEM
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by Christopher Webber At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/guileracket.webm Having used Guile for the previous number of years and being an enthusiastic supporter of and occasional contributor to Guix, what's it like switching to Racket, a different but in many ways similar Scheme language, for the last year? What can Guile learn from Racket? What can Racket learn from Guile? Room: K.4.201 Scheduled start: 2019-02-02 16:20:00+01 Source:...
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FOSDEM 2019
by FOSDEM
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by Ciara Loftus and Bruce Richardson At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/scalable_virtual_switching.webm The seamless scaling of a vSwitch in relation to changing platform workloads running in VMs/containers in real-time can be difficult, particularly when the workloads and the vSwitch are independent entities. Typically a user/orchestrator must somehow provision vSwitch cores on-the-fly or even over-provision these cores up-front, in order to ensure the vSwitch can handle the...
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FOSDEM 2019
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by Stephan Luckow At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/cross_community_collaboration.webm CMS Garden is a not-for-profit association run by currently 12 open source content management systems. This talk will show you what is possible when you work together instead of competing each other. The story about CMS Garden is a story about trust and friendship. Before CMS garden we (as people from different cms communities) thought we were competitors. There was no real comparability...
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FOSDEM 2019
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by Phil Estes At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_containerd_update.webm Last year at FOSDEM, containerd was presented as a fairly new CNCF project which had just reached its 1.0 release a month prior. With two major releases since then and a large list of new adopters, including two major public clouds, containerd has continued to gain momentum as a project and this talk will provide an update on users, releases, and the future plans for containerd and its maturity...
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FOSDEM 2019
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by Michael Jeanson At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_lttng.webm Follow up on the work that was done since last year's 'LTTng: The road to container awareness' presentation. A quick glance at the base features that were merged upstream, what is still missing and the tooling integration with container runtimes we plan to build on those features. Room: UA2.114 (Baudoux) Scheduled start: 2019-02-03 12:50:00+01 Source: https://www.youtube.com/watch?v=hra-eu6EOpY...
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FOSDEM 2019
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by Carlos Santa At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/gpu_reset.webm On newer generations of Intel Gen GPUs we now have the ability to reset specific engines for a light weight engine reset approach when things go wrong inside the GPU. Instead of resorting to a full GPU reset mechanism from the get go when things go wrong there are less aggressive options that could help us achieve a faster and smoother recovery from a hung GPU. This talk will go over one such mechanism that...
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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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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 Eduardo Arango At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_singularity_update.webm Singularity is increasingly recognized as the ideal container technology for AI, Machine/Deep Learning, compute-driven analytics, and Data Science. Recently released Version 3.0 of this open source software incorporates a number of significant enhancements that span from the core of the software itself to the enabling ecosystem that surrounds it. Thus the purpose of this presentation is to...
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FOSDEM 2019
by FOSDEM
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by Samuel Thibault At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/roadmap_for_the_hurd.webm Most people don't realize it, but the Hurd system is actually well established. About 75% of Debian official packages do build fine, it has mainstream gcc/glibc/llvm support, go and rust ports are ongoing, it can be installed with the Debian installer and GuixSD and Arch ports are ongoing... Yet not so much has been happening within the Hurd itself in the past couple of years. We have notably...
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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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FOSDEM 2019
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by Andrew Dinn At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/compiler_instrinsic.webm One of the ways Java achieves high performance is to provide a route for accelerated, hand-crafted compilation of certain critical methods via the JIT. This optimization path is available both for native methods implemented as callouts to C code and for methods that are defined in Java. In both cases the method needs to be flagged as a HotspotIntrinsic and provided with a JITted code implementation. The...
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FOSDEM 2019
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by Stéphane Graber At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_lxd_update.webm Over 2018, LXD's userbase grew significantly, partly thanks to it shipping on all Chromebooks. But other than merely getting more users, we've still been very hard at work introducing a number of exciting new features. The main one of those has certainly been LXD clustering which released alongside our second LTS release back in April. We've also been adding a wide variety of storage related...
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FOSDEM 2019
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by Gildas Chabot At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/gotensorflow.webm The goal of this talk is to guide you through the integration of pre-trained models into a Go app. From A to Z, we will build an AI image search with Go and Tensorflow. AI is on everybody's lips nowadays. Every company wants to bring it to its customers. Google, Facebook, Microsoft and more are racing against each other with research papers and open-source frameworks. From a developer point-of-view, it has...
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FOSDEM 2019
by FOSDEM
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by Christopher Webber and Gualter Barbas Baptista At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/activitypub_panel.webm This panel gathers standard authors and implementors of ActivityPub to discuss the role of ActivityPub in the present in connecting together the fediverse and what the future might hold. Room: UD2.218A Scheduled start: 2019-02-02 17:30:00+01 Source: https://www.youtube.com/watch?v=bd7SY3KQAHA Uploader: FOSDEM
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FOSDEM 2019
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by Cornelius Kölbel At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/owncloud_2fa.webm You are running an ownCloud or Nextcloud installation and are sick of lazy users choosen week passwords? You want to add two factor authentication to secure the login at ownCloud. But users refuse to enroll the internal TOTP app? In this talk we will show you how to protect the ownCloud login with a 2nd factor, that is centrally managed and forces the user to login in a secure way. privacyIDEA is a...
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FOSDEM 2019
by FOSDEM
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by Felix Becker At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/typescript_advanced_tooling.webm Tooling has always been a focus for TypeScript and a large reason for its success. TypeScript code intelligence is available across many editors and even web-based tools, all provided by the same service TypeScript ships out-of-the-box with the compiler itself. This presentation gives a tour and history of how TypeScript is able to provide the same great experience to many different clients...
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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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FOSDEM 2019
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by Fabien Chouteau At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.126/riscvadaspark.webm In this talk I want to open a window into the wonderful world of "alternative" programming languages for RISC-V. What can you get by looking beyond C/C++. So I will start with a quick introduction to the Ada and SPARK languages, the benefits, the hurdles. I will also present an overview of the applications and domains where they shine, when failure is not an option. I will then do a short...
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FOSDEM 2019
by FOSDEM
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by Andre Puschmann At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/sdr_lte_testbed.webm After three years without active participation, this talk is going to look back at what happened to srsLTE since then, how it evolved from a flexible PHY library to 4G UE implementation, to a full eNB and finally to a complete open-source, end-to-end 4G testbed. We'll also discuss some of the currently ongoing activities and the exciting new features that are ahead of us. After three years without...
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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
by FOSDEM
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by Benny Siegert At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/netbsd_update.webm There have been a number of exciting developments in NetBSD and pkgsrc in the last year. This talk will give an overview over some cool recent developments, new features and show some exciting hardware to run NetBSD and/or pkgsrc on. NetBSD 8 has been released, and perhaps there will be a -9 release in time for FOSDEM! 64-bit ARM support is improving quickly. There is exciting new hardware (such as the...
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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 Tycho Andersen At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_atomfs.webm Operators today have a problem when they want to update application containers: they have to go ask the developers to re-build and re-test the container. That's because application containers today are a bit-for-bit representation of the container that the developer ran. An insight here is that applications probably don't care about which versions of what libraries are in use: any reasonable libc,...
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by Pietro Abate At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/tezos.webm Governance is a big topic in the blockchain world. Deciding on the evolution of the protocol, even changing a constant can fracture the community. Hard forks are not uncommon with often negative consequences. Tezos, an emerging blockchain, has been designed from the ground up with the idea of on-chain Governance, where changes are decided by the community on the Tezos blockchain using an open and democratic process....
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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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Analysis of the behavior of mobile applications and its consequences for our privacy Presentation and analysis of the work of Exodus Privacy by pnu and Guinness At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/analysis_of_the_behavior_of_mobile_applications_and_its_consequences_for_our_privacy.webm Presentation of the organization Exodus Privacy and its study of the respect of privacy by Android applications, via a platform performing static analyses of APK files (in order to identify...
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FOSDEM 2019
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by Uwe Schindler At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.201/apache_lucene_solr_8.webm Spring 2019 will be the time for a new major release of Apache Lucene and the well-known search server Apache Solr. Since Lucene 7 a lot new features have been developed, mainly a new way to short circuit query execution if the total number of hits is not needed. This may improve query execution for common full text search use cases enormously. The talk will also present other new features and...
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FOSDEM 2019
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by Petr Horáček At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/vai_apply_complex_network_configuration_to_your_kubernetes.webm Classical Kubernetes workload consists of microservices, that are relatively cheap to restart and reschedule. With the expansion of containerized application technologies, heavier, longer-living applications are looking to leverage Kubernetes. These applications may keep a complex state that is hard to relocate and may have strong hardware requirement. Thus,...
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FOSDEM 2019
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by Lars Vogel At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/news_from_eclipse_2019.webm The Eclipse Photon simultaneous release was the last “big” annual release, and with Eclipse 2018-09 the first rolling release has been shipped to the public. Its heart, the Eclipse Platform, has come with a plethora of new features and improvements for Eclipse Photon and afterwards that will continue the Eclipse IDE keeping the #1 flexible, scalable and most performing IDE! Come and see the...
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FOSDEM 2019
by FOSDEM
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by Michael Stahl At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/are_we_optimiert_yet.webm A well known deficiency of Writer is that its Hide Tracked Changes mode is slow. We will discuss the origin of the problem, and the current status of the plans to fix it. Also an aside on leveraging type systems to aid large scale refactoring. Room: UA2.114 (Baudoux) Scheduled start: 2019-02-02 18:00:00+01 Source: https://www.youtube.com/watch?v=p5ZVgmyFaq0 Uploader: FOSDEM
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FOSDEM 2019
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by Sunku Ranganath At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/noisy_neighbor_insurance.webm Traditional NFVi dataplane performance testing rarely focuses on (availability, consumption) dark resources such as CPU Cache and Memory Bandwidth. Much of the Quality of Service fine tuning often leads to oversubscription ending up with shared resource contention often termed as noisy neighbor effects. We present the methodology and test scenarios using open source solutions - OPNFV-VSPERF...
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FOSDEM 2019
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by Craig Kerstiens At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.220/around_the_world_with_postgres_extensions.webm Postgres continues to get more and more feature rich. But equally as impressive is the network of extensions that are growing around Postgres. With the rich extension APIs you can now add advanced functionality to Postgres without having to fork the codebase or wait for the main PostgreSQL release cycle. This is a late addition to the schedule. Postgres continues to get more...
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FOSDEM 2019
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by Matthew Fredrickson At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/asterisk.webm This talk will be to discuss what's happened in the last year or so in the Asterisk project. It will have discussion of recent changes as well as potentially include some updates on ongoing work in the development branch. For people that utilize Asterisk in their networks, it's an opportunity to understand how new functionality might improve their existing installations. Room: H.1309 (Van Rijn) Scheduled...
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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 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
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by Holger Woltersdorf At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.601/amendment_async_php_requests_and_reactive_responses_with_php_fpm.webm There are many approaches to execute PHP sub-tasks asynchronously or to parallelise PHP execution. While some solutions require extra extensions, individual PHP builds or a lot of process control management, this talk will show you how to configure and use the built-in PHP FastCGI Process Manager (php-fpm) to execute requests asynchronously in an...
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FOSDEM 2019
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by Simone Mainardi At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/augmented_network_visibility_with_high_resolution_metrics.webm In the area of network visibility, having high-resolution metrics is useful to unveil patterns and behaviors that would otherwise be "averaged out" in smoother, lower-resolution signals. Visibility tools that have access to packets are, in theory, able to produce metrics up to the packet-by-packet resolution, that is, the best one could hope for....
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Autocrypt - Automating E-Mail Encryption What E-Mail can learn from the success of end-to-end encrypted messengers by Vincent Breitmoser At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/autocrypt_email.webm A short talk about Autocrypt, a standard for decentralized and automated public-key management for e-mail encryption, built on OpenPGP. Autocrypt is a set of guidelines for developers to achieve convenient end-to-end-encryption of e-mails. It specifies how e-mail programs negotiate...
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Automate Kubernetes Workloads with Ansible Easy deployment, self-service provisioning, and day-2 management! by Michael Hrivnak At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/automate_kubernetes_ansible.webm Ansible, the familiar IT automation tool, makes it easier than ever to automate your Kubernetes cluster. This talk introduces two practical ways to define and provision complex applications using Ansible Automation with Kubernetes. Have you longed for a simple yet powerful way to...
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FOSDEM 2019
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by Thyla van der Merwe At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/automated_analysis_of_tls_1_3.webm The Transport Layer Security (TLS) protocol is the security backbone of the Web, and is used my millions, if not billions, of users of a daily basis. Weaknesses in TLS 1.2 and below, as well as pressure to improve the protocol's efficiency, lead the Internet Engineering Task Force (IEFT) to engage in development of a new version of the protocol, namely TLS 1.3. In the design of TLS...
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FOSDEM 2019
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by Kristof Provost At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/automated_firewall_testing.webm We're all convinced that automated tests are a good idea. For some applications (e.g. grep, awk, cc, ...) this is very straightforward. Others are a lot harder to test, for example firewalls. Typically testing firewalls takes two to three hosts. One to send traffic, the firewall test host and one to receive traffic. This makes automated test orchestration complex and brittle. This in turn...
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FOSDEM 2019
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by Avital Tzubeli At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/library_generation.webm How good are you at keeping your multiple client libraries up to date? Keeping client libraries in multiple languages up to date can be a trying task. Learn how Kaltura does it, and how you can use the same principles - as well as our open source project - to implement the same system into your application. Room: H.2215 (Ferrer) Scheduled start: 2019-02-03 13:00:00+01 Source:...
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by Ricardo Noriega At: FOSDEM 2019 https://video.fosdem.org/2019/H.2214/ansible_networking_and_odl_integration.webm Ansible is one of the fastest growing projects in the history of opensource. It is simple, flexible and powerful, and there is a huge community behind it. Ansible is capable of automate systems, storage and of course, networking. However, Ansible is stateless, and from the network engineer standpoint, a stateful view of the network topology is needed. There is where OpenDaylight...
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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 Tomer Brisker At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_back_from_the_dead.webm "Hamakor" is a non-profit that was founded in 2003 as the umbrella organization of the Israeli Free and Open Source Software community. It organized multiple events, led various public campaigns and even took part in defining some local standards. But over the years, many of the early members have moved on and the activities slowly dwindled. By 2014, all that remained was several...
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by Dmitry Tantsur and Ilya Etingof At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/vai_bare_metal_in_the_cloud.webm With IaaS, common way to provide compute resources is to ask the hypervisor to allocate a bunch of VMs for you. Sometimes, however, allocating a bare metal machine could be essential to withstand higher workloads or harden data security. Running a container engine (like k8s) inside of a bare metal machine avoids double resource management and achieves higher density. In this...
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FOSDEM 2019
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by Seth Vargo At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/base64_not_encryption.webm Secrets are a key pillar of Kubernetes' security model, used internally (e.g. service accounts) and by users (e.g. API keys), but did you know they are stored in plaintext? That's right, by default all Kubernetes secrets are base64 encoded and stored as plaintext in etcd. Anyone with access to the etcd cluster has access to all your Kubernetes secrets. Thankfully there are better ways. This lecture...
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FOSDEM 2019
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by Richard Jones At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/nbdkit.webm Loop mounts let you mount a simple file as a device. But imagine having "FUSE for loop mounts". Linux Network Block Device (NBD) with the nbdkit server takes the concept of loop mounting to the next level, giving you a flexible, scriptable loop device, useful for end users, and for developers wanting to test anything involving a block device. Loop mounts let you mount a simple file as a device. Network...
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FOSDEM 2019
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by Jay Lee and Andrew Hobden At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/rust_beyond_first_steps.webm There is plenty of content available to teach you the first steps in Rust… But what about after? What are good resources? how can you leverage generated documentation instead of just tutorials and books? How can you manage the trade-offs in API design? We’ll look at some content and examples, both old and new, worth consuming and talk about their key ideas. Then, we’ll spend...
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FOSDEM 2019
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by Daniel Izquierdo At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/python_diversity_gap.webm Women represents half of the population. The technological industry claims that around 30% of their work force are women. And that percentage decreases down to 20% when focusing on the tech. teams. If we analyze open source communities, those hardly reach 10% of the population as this is the case of the OpenStack Foundation or the Linux Kernel. This talk will show previous analysis and data...
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FOSDEM 2019
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by Jeremy Lainé At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/beyond_webrtc_monoculture.webm WebRTC’s most prominent implementations rely on the webrtc.org codebase. In this talk, Jeremy Lainé and Lennart Grahl will present two alternative WebRTC / ORTC implementations (aiortc in Python and RAWRTC in C), their use cases, the challenges in writing these implementations and the benefits for the WebRTC ecosystem. Both Chrome’s and Firefox’s (to some extent) WebRTC implementations...
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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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FOSDEM 2019
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by Deb Nicholson At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/blockchain_ethics.webm What kind of world do we want to see blockchain make? Upsides like increased transparency, distributed control and the elimination of duplicative administrative work are appealing, but where are the potential downsides? We no longer live in a world where we can put off a conversation about the social impact of our work. Old industries used to call negative effects of their work "externalities"...
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FOSDEM 2019
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by Robert Virkus At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/chat_over_imap.webm Meet COI (Chat over IMAP) - a powerful contender for WhatsApp, Facebook Messenger and other proprietary messengers. Based on email this open standards & open source iniative overcomes the network effect by providing a chat experience to over 3.8 billion active email users worldwide. By being backwards compatible with pure email, you do not need to convince all your friends, family and peers to join the...
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FOSDEM 2019
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by Christophe Pettus At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.220/breaking_postgresql_on_scale.webm Database systems don't just slow down in a clear, linear way. They reach a certain point and start failing, often very suddenly and surprisingly. This talk is about some of the most common scaling "discontinuities" in PostgreSQL, and how to plan for them and mitigate them. Why is SERIAL a bad primary key on high-insert-rate tables? What happens when autovacuum can't keep up?...
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Breaking the 100 bits per second barrier with Matrix An entirely new transport for Matrix for really terrible networks. by Matthew Hodgson At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/matrix.webm The Matrix team has had a lot of fun recently investigating radically more efficient transports thanks to a challenge to get usable client-server and server-server communication on links as bad as 100bps. In this talk we're give a tour of the network simulation environment we've built and the...
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FOSDEM 2019
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by Ziran Sun At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/js_iot_smart.webm With huge popularity and high resource efficiency JavaScript has gone well beyond the web and reached out for many other areas. The rapidly growing Internet of Things is no exception. This talk will discuss why we think that JavaScript is a good option to kick-start building your own Internet of Things. Solutions we have been used for building an end to end IoT system using JavaScript will be discussed. An...
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FOSDEM 2019
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by Roman Kennke At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/build_gc_minutes.webm A new Garbage Collector interface has been introduced in OpenJDK 10, and has been further improved in OpenJDK 11 and 12. This talk will give a short sight-seeing tour through its design and its important interfaces and should give you an idea where to start, if you'd want to make your own Garbage Collector or want to get started with OpenJDKs existing collectors. Room: H.1302 (Depage) Scheduled start:...
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FOSDEM 2019
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by Dan Jenkins At: FOSDEM 2019 https://video.fosdem.org/2019/H.1309/webxr.webm The way our users consume media and interact with applications is changing. That's partially down to hardware costs coming down but its also because its easier than ever to build these new forms of communication without it costing to earth. WebXR is a standard that combines both Virtual Reality and Augmented Reality into a Web API; by using all that the web has to offer we can build amazing experiences for our users...
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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
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by Dawn Foster At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_building_community_metrics_strategy.webm You probably know that community metrics are important, but how do you come up with a plan and figure out what you want to measure? Most open source projects have a very diverse community infrastructure with some combination of code repositories, chat, mailing lists, wikis, forums, and more. Deciding where to focus and what to measure across these many technologies can be a...
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FOSDEM 2019
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by Terin Stock At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/gomidi.webm An exploration of using Go to build a hardware MIDI player, complete with floppy drive, on a minimal Linux distribution, gokrazy. Without our standard system utilities, in this talk we'll explore Go's syscall interface, as well as Linux's other interfaces, such as netlink and kobject. There will also be sweet, sweet chiptunes. In this talk, I'll be talking about the hardware MIDI project powered by Go I built in...
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