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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
Feb 21, 2019 FOSDEM
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by Yann Cébron At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/intellij_tooling_2019.webm Open sourced under Apache 2 license, IntelliJ Platform is the base for a number of well-known IDEs. It supports a large variety of languages and technologies via bundled plugins as well as thousands of third-party plugins. This talk will showcase the tooling and ecosystem for plugin developers, covering the whole lifecycle of creation and maintenance. We'll start by taking a look at the IDE features...
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FOSDEM 2019
Feb 21, 2019 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
Feb 21, 2019 FOSDEM
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by FOSDEM Staff At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/closing_fosdem.webm Some closing words. Don't miss it! Room: Janson Scheduled start: 2019-02-03 17:55:00+01 Source: https://www.youtube.com/watch?v=a7X8mHmh_Ek Uploader: FOSDEM
Topics: Youtube, video, Science & Technology
FOSDEM 2019
Feb 21, 2019 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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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Daniele Scasciafratte At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_coaching_open_source_communities_2.webm A community is a big company with a different purpose: a passion. That passion is the key but is not enough to manage a community and let to grow and improve his effect every day. Coaching is a way to improve your action as community leader or volunteer without change your workflow. Do you know that there are many little tips and approaches that can improve your...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Clif Kussmaul At: FOSDEM 2019 https://video.fosdem.org/2019/UB5.132/community_improve_project_onramp_new_participants.webm The long-term success of a FOSS project depends on the “on-ramp” experience - the documentation, support, and opportunities available to help new users and participants come up to speed. Students can be a good source of new participants for FOSS projects, which can provide valuable opportunities for students to learn technologies and develop key skills in...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Richard Hartmann At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/observability_101_2019.webm Intro to the devroom. Room: UB2.252A (Lameere) Scheduled start: 2019-02-03 09:00:00+01 Source: https://www.youtube.com/watch?v=QI0qIrEW7yo Uploader: FOSDEM
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FOSDEM 2019
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by Alex Hajjar At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/opengreffe.webm A company register is a centrepiece of the legal existence of firms in a given country. Usually, these registers are state-controlled. Can we conceive a register that is decentralised? We will present OpenGreffe, an Ethereum-based register based on simple legal foundations of the French Code Civil. What is OpenGreffe? It's a public blockchain-based registry of firms, in the sense of "société de fait"...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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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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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
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by Maximilian Michels At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.118/beam_cross_language.webm Apache Beam is a programming model for composing parallel and distributed data processing jobs. As many other Apache projects, Beam first used Java as its API language. Unsatisfied with the status quo, Beam developers launched the portability project to enable other languages to run with Beam. Currently, Beam has a Java, Python, and a Go API. Ultimately, these languages won't just coexist in...
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FOSDEM 2019
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RustPräzi: a tool to build an entire call graph of crates.io From package-based to precise call-based dependency network analysis by Joseph Hejderup At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/rust_praezi.webm Which crates call a vulnerable function? Which deprecated functions are central to crates.io and should not be deleted? Am I breaking important clients and their dependencies with my new release? These are questions that package publishers and owners of package repositories...
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FOSDEM 2019
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by Jean-Michel Friedt At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/sdr_gps.webm Global Navigation Satellite System (GNSS) positioning has become ubiquitous in many daily activities, with the Global Positioning System (GPS) being the most common source of signals. Having analyzed earlier the reception and decoding of such signals, we now address the issue of signal spoofing, and develop some of the requirements on the emitted signal power and stability to efficiently spoof single...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Geertjan Wielenga and Jan Lahoda At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.119/news_from_netbeans_2019.webm Oracle donated NetBeans to Apache in 2016. What's the status of the project, what's the roadmap, and how can you get involved? In this talk we will show what NetBeans has for the future. This includes how to experiment with new Java language features in NetBeans, how to develop OpenJDK with NetBeans and how to add a support for a new language to NetBeans based the language...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Nemanja Nikodijevic At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/hwallet.webm All major cryptocurrency hardware wallets on the market either use general purpose microcontrollers that are never meant to be used as secure devices or break the Kerckhoffs's principle by using chips that require an NDA, thus making it impossible to completely release the source code. HWallet (https://gitlab.com/nemanjan/hwallet) is a project developed as a proof of concept to show that it is possible to...
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FOSDEM 2019
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Protecting Secrets with Hardware Secure elements, hardware wallets, and device support for cryptocurrencies by Michael Schloh von Bennewitz At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/protecting_secrets_with_hardware.webm Using special purpose hardware devices to protect secrets is a staple of cryptocurrency enthusiasts. We share the lessons learned of creating secure hardware wallets and insecure conference badges at Monero Hardware. In this half hour presentation, we work backwards...
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FOSDEM 2019
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by Richard Brown At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/opensuse_kubic.webm As the world moves more and more towards containerised solutions, a number of real questions start to appear. - What is the perfect platform for running containers atop? - How to use this platform as part of a flexible, scalable, highly available infrastructure fabric? - How to minimize the maintenance and administration of this platform at scale? All of these problems are well answered in an enterprise...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Wim Taymans At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.401/pipewire.webm This is a proposal to give a presentation about PipeWire and the current state of affairs. See also https://pipewire.org Room: K.4.401 Scheduled start: 2019-02-02 17:30:00+01 Source: https://www.youtube.com/watch?v=Ip-mC3hifO8 Uploader: FOSDEM
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FOSDEM 2019
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by Ilya Etingof At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/writing_asynchronous_snmp_agents.webm Room: UB2.252A (Lameere) Scheduled start: 2019-02-03 16:40:00+01 Source: https://www.youtube.com/watch?v=h4R_nKnlPSw Uploader: FOSDEM
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Michael Ströder At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/slapdcheck.webm This lightning talk highlights how to monitor OpenLDAP in detail with Python module slapdcheck. OpenLDAP servers are typically used as backed for authentication (login) and other mission-critical infrastructure components. Furthermore OpenLDAP setups can be non-trivial resulting in higher risk that something could go wrong. The talk will introduce the Python module package slapdcheck which implements...
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FOSDEM 2019
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by Jacek Sieka At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/nimbus.webm Early 2018, Nimbus was born - an exciting experimental lightweight client and research project for Serenity - the next major upgrade to Ethereum - and resource-constrained devices, such as mobiles. In this talk, we'll go over the anatomy of an Ethereum client - the cryptography, the peer-to-peer networking, the virtual machine, the latest research - as well as the language we're working in, Nim. Nimbus, a research...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Amir Fefer At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/jquery_react.webm Migration from legacy javascript to react in a well existing project isn't instant or easy, but the outcome will be worth it. How we can combine legacy with a modern front end, surviving the hybrid umbrella, improving application's client and enjoy coding ! The migration process from legacy javascript to react might take you some time and wouldn’t be easy, but the outcome will be worth it. Two years ago, the...
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FOSDEM 2019
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by Ilya Zverev At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.126/geo_gpxtraces.webm We at Juno track a massive fleet of taxi cars in a relatively small area of New York. For all the internal mapping we use OpenStreetMap — and we are naturally interested in it having zero road errors. One way to ensure that is to validate it against tens of thousands GPS traces we get every day. In this talk we'll look at the relation of traces and map data in OSM, find a few ways to improve OSM using...
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FOSDEM 2019
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by Victor Holanda At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.118/reframe.webm Regression testing of HPC systems is of crucial importance when it comes to ensure the quality of service offered to the end users. At the same time, it poses a great challenge to the systems and application engineers to continuously maintain regression tests that cover as many aspects as possible of the user experience. In this presentation, we present ReFrame, a new framework for writing regression tests for...
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FOSDEM 2019
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The new EU CyberSecurity Act Or how to prevent the EU from becoming the worlds largest botnet honeypot by Hans de Raad (OpenNovations) At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/eu_cybersecurity_act.webm Fibre to the home opens numerous interesting possibilities for both bona-fide and not so bona-fide use cases. Having your espresso machine or refrigerator being part of a multi-million device botnet which is attacking critical infrastructure might not necessarily be your first...
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FOSDEM 2019
movies

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SAYMON - object-oriented monitoring and management for both ICT&IoT object hierarchies and time-series for robust back-end and visual front-end on top by Konstantin Mikhaylov At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/saymon_object_oriented_monitoring_and_management_for_both_ict_and_iot_.webm SAYMON is a software platform. It makes possible to build a kind of specific problem solution in days. There's a great technology stack we would like to describe and discuss on FOSDEM19....
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FOSDEM 2019
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Decoding Meteor-M2: QPSK, Viterbi, Reed Solomon and JPEG from IQ coefficients to images, analysis of digital weather satellite transmissions by Jean-Michel Friedt At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/sdr_meteorm2n.webm A low cost, digital video broadcast-terrestrial (DVB-T) receiver is used to collect radiofrequency signals emitted from the low Earth orbiting Russian satellite Meteor-M2. The QPSK encoded signal is analyzed all the way from extracting bit values, to recovering...
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FOSDEM 2019
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by Santiago Saavedra and Konark Modi At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/web_extensions_exposing_privacy_leaks.webm Internet has become an integral part of our lives and everything we do online leaves a trail of data. This data is being collected, analyzed, sold and aggregated to cast profiles about us by companies across the globe. In the physical world, if a stranger was to follow you everywhere you go, keep a log of who you talk to and meet with, read your mails and then...
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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
Feb 21, 2019 FOSDEM
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by Hong Phuc At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/susi_ai.webm This talk is about SUSI.AI - an open source conversational framework developed by FOSSASIA developer community. We will talk about current development of the project including the overview of SUSI’s technology stack and the recent released hardware prototype. The motivation behind the project was to create an ecosystem made up of conversational web services, AI technologies, search engines, smart devices and open...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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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
Feb 21, 2019 FOSDEM
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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
Feb 21, 2019 FOSDEM
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by Roy Derks (@gethackteam) At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/testing_graphql_javascript.webm Test GraphQL in your JavaScript application. This talk will show how you can test GraphQL in your JavaScript application using available open-source packages. It will describe how to get started, best practices and a real-world example. Room: H.1308 (Rolin) Scheduled start: 2019-02-03 15:00:00+01 Source: https://www.youtube.com/watch?v=IJV1IwIejM0 Uploader: FOSDEM
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FOSDEM 2019
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by James Shubin At: FOSDEM 2019 https://video.fosdem.org/2019/UB2.252A/real_time_merging_of_config_management_and_monitoring.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 demo both and include many examples showing how monitoring is built-in to each resource, and how events can cause the system to react and fix a problem before your pager even goes off. The...
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FOSDEM 2019
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by Guillaume Gomez At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/rust_gtk_rs.webm A tour on newest and future developments for gtk-rs, the Rust bindings to GTK+. Agenda Introduction: Small presentation of Gtk-rs project. Small code demonstration. Last year developments: Add of futures to handle asynchronous function calls. Generation of union types. A lot of new types/functions generated. Next developments: Generate bindings for functions/methods taking callbacks as argument. Long run:...
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FOSDEM 2019
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USB borne attacks and usable defense mechanisms Hardening built into the operating system without compromising on usability by Tobias Mueller and Ludovico de Nittis At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.218A/usb_borne_attacks.webm The attack surface of USB is quite large and while disabling USB altogether solves the problem, it creates many other. As do existing protection mechanisms. They suffer from poor usability and missing integration into the operating system. We present our...
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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
Feb 21, 2019 FOSDEM
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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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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Mitchell Baker At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/floss_internet_future.webm The FLOSS movement is not just about convenience; our DNA includes a set of values that bring life to FLOSS. We’ve seen some of these values encoded in the infrastructure of the Internet and online life. We’ve also seen very troubling characteristics emerge online, where individuals and society face new and sometimes explosive risk. This talk explores how the FLOSS movement might reevaluate our...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Pavel Kruhlei At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/e2e_tests_cypress.webm The normal state of things with end-2-end testing is a pain: tests are flaky, slow, verbose and written by some QA guy. Let's see if I can convince you that it doesn't need to be like that, with an example of Cypress.io framework: a dev-centric open-source tool designed to make our life a little simple. Room: H.1308 (Rolin) Scheduled start: 2019-02-03 13:00:00+01 Source:...
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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 Eduardo Arango At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.118/containers_hpc_singularity.webm One of the biggest problems in scientific HPC is ensuring that results are reproducible. That is, the code a scientist runs locally must be able to run identically on any computational resource. Until recently, the job of ensuring that fell to system administrators who needed to manage a complex web of tools and dependencies on those resources. However, with the introduction of HPC containers...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Mark Fingerhuth At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/qosf_closing.webm Room: AW1.121 Scheduled start: 2019-02-02 18:35:00+01 Source: https://www.youtube.com/watch?v=W8iXl6aowm0 Uploader: FOSDEM
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Folkert Huizinga At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/leela_chess.webm This talk presents an overview of the open source project "Leela Chess Zero" (Lc0), a new type of chess engine based on the AlphaZero paper released by DeepMind. Lc0 learns to play chess solely by playing against itself without any human knowledge or intervention. Starting from scratch with random moves, its play improves each iteration using a powerful combination of reinforcement learning and...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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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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MicroPython – Python for Microcontrollers How high-level scripting languages make your hardware project beautifuly easy by Christine Spindler At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/microcontrollers_python.webm MicroPython is an implementation of Python designed to run on microcontrollers and embedded systems. These devices don’t have many resources (CPU, RAM) and so it’s important to write efficient scripts. This talk shows how to make the most of your resources in...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Eva Dovc At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/when_perf_html_met_a11y.webm One in seven people is disabled. And accessible websites (and apps!) enable them to work on an even playing field, while also being more usable for everyone. For the past couple of months, I've been working on improving the accessibility of perf-html, Mozilla's virtuoso profiler. During this talk, I'll be sharing my journey into the world of accessibility and demonstrating how perf-html aims to make...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Duarte Nunes At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/raft_in_scylla.webm This talk will cover the characteristics and requirements of Scylla's Raft implementation, how it enables strongly consistent updates, and how it improves the reliability and safety of internal processes, such as schema changes, node membership, and range movements. Eventually consistent databases choose to remain available under failure, allowing for conflicting data to be stored in different replicas...
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FOSDEM 2019
Feb 21, 2019 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
Feb 21, 2019 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
Feb 21, 2019 FOSDEM
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by Evan Cole At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/js_teaching_tool.webm Prof. dr. Edsger W. Dijkstra says that the only true way to teach programming is by writing proofs by hand, on paper, approaching coding like a purely mathematical skill. Only then, he claims, can students truly understand the "radical novelty" of programming. He's onto something, analogies or high-level understanding are appealing and rewarding but ineffective for true learning. What if there were...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Matias Vara At: FOSDEM 2019 https://video.fosdem.org/2019/H.2213/vai_ppeeding_up_the_booting_time_of_a_toro_appliance.webm Microservices propose a new paradigm to split monolithic cloud infrastructure into unitary services which allow better scaling of the global infrastructure by integrating heterogeneous technologies. Current cloud infrastructure allows to implement cheap microservices by hosting them in VMs. To leverage host resources, VMs are launched on demand, i.e., when the...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Mike McQuaid At: FOSDEM 2019 https://video.fosdem.org/2019/K.3.401/homebrew_2.webm Talk discussion the major features, leadership and community changes accompanying Homebrew 2.0.0 (which will be released at or shortly after FOSDEM 2019). This talk will be a talk running through Homebrew's major changes since 1.0.0 and some of the trials and tribulations since then such as maintainers leaving, the lead maintainer position being abolished, becoming more focused and enabling the community to do...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Richard Hartmann At: FOSDEM 2019 https://video.fosdem.org/2019/H.2215/fosdem_infrastructure.webm Room: H.2215 (Ferrer) Scheduled start: 2019-02-03 16:40:00+01 Source: https://www.youtube.com/watch?v=3o2LBuwHmQw Uploader: FOSDEM
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Tokponnon Parfait At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.121/os_external_interrupts.webm We are modifying the Nova hypervisor to protect the operating system it hosts, against frequent transient faults resulting from cosmic radiations or manufacturing defects in the CPU. The method relies on the CPU internal exceptions management mechanisms, redundancy of execution and the machine check architecture. Here we will present how to deal with external interrupts, that is one of the...
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FOSDEM 2019
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Sustain in Open Source with Gitcoin Gitcoin is a decentralized application where you can use various ERC-20 tokens to grow and sustain in Open Source and many other things. by Saptak Sengupta At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/sustain_in_open_source_with_gitcoin.webm Open Source Software and Open Source contributors provide for a massive percentage of today's softwares and web and other technical ecosystems. It provides a freedom and global way of contributing to make things...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Stéphane Bidoul At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.120/python_discover_graphql.webm GraphQL is the hottest new technology for building APIs, sometimes touted as a better REST. This practical talk aims at explaining what GraphQL is and how it can help expose an elegant and flexible API for advanced business applications in record time. Real code examples will be shown, based on the Graphene library and Odoo Community. Care will be taken so the audience can easily transpose...
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FOSDEM 2019
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by José Manuel Ortega At: FOSDEM 2019 https://video.fosdem.org/2019/H.1308/testing_nodejs_security.webm NodeJS is one of the fastest growing platforms nowdays and from a security point of view is necessary to know all posibilities that the platform offers to developers.This is a talk that explains some of the most common problems in NodeJS applications and how using frequently used tools it is possible to exploit such vulnerabilities.Also I will show what are the main vulnerabilities we can...
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FOSDEM 2019
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Can Anyone Live in Full Software Freedom Today? Confessions of Activists Who Try But Fail to Avoid Proprietary Software by Bradley M. Kuhn and Karen Sandler At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/full_software_freedom.webm The FOSS community suffers deeply from a fundamental paradox: every day, there are more lines of freely licensed code than ever in history, but, every day, it also becomes slightly more difficult to operate productively using only Open Source and Free Software....
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FOSDEM 2019
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by Philip Tricca and Andreas Fuchs At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/tpm2.webm Security is and has been a hot topic in recent history. Software and hardware systems are increasingly complex, vulnerabilities increasingly publicised and attack methodologies increasingly sophisticated. This trend began long ago as did efforts to design and implement foundational technologies to curtail it. The trusted platform module (TPM) is one such technology. It was specifically designed to...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Nestoras Sdoukos At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.120/gr_soapy.webm gr-Soapy is an OOT module for the GNU Radio platform to configure and manage a plethora of SDR devices through the SoapySDR API. It provides easy to use source and sink blocks with various parameter fields, enabled according to the capabilities of the device specified by the user. With the emergence of various low cost SDR devices that anyone can experiment with, ham radio community continues to expand and...
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FOSDEM 2019
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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 Daniele Scasciafratte At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/firefox_is_your_marionette.webm Marionette is the library integrated in specific builds used for unit testing in Firefox. Using Python enables to automatize procedure or other stuff using the browser also in headless mode. Let's see how it is possible to simplify your daily job routine on internet like a pro. Often there are tasks that are easily to automatize with scripting but this portal/website doesn't offer API....
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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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 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
Feb 21, 2019 FOSDEM
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by Yannick Moy At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/ada_pointers.webm Pointers are a notorious "defect attractor", in particular when dynamic memory management is involved. Ada mitigates these issues by having much less need for pointers overall (thanks to first-class arrays, parameter modes, generics) and stricter rules for pointer manipulations that limit access to dangling memory. Still, dynamic memory management in Ada may lead to use-after-free, double-free and...
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FOSDEM 2019
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PostgreSQL vs. fsync How is it possible that PostgreSQL used fsync incorrectly for 20 years, and what we'll do about it. by Tomas Vondra At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/postgresql_fsync.webm About a year ago the PostgreSQL community discovered that fsync (on Linux and some BSD systems) may not work the way we always thought it is, with possibly disastrous consequences for data durability/consistency (which is something the PostgreSQL community really values). I'll walk you...
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FOSDEM 2019
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by Windel Bouwman and Shing Lyu At: FOSDEM 2019 https://video.fosdem.org/2019/UD2.208/rust_python.webm Rust is a relatively new programming language aimed as a safe competitor of C. There are already attempts to write extension modules in rust and load them into CPython. A whole new approach would be to re-implement the Python language in rust. This is what RustPython is about. RustPython is a relatively new project. The aim of the project is to create a Python interpreter written entirely in...
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FOSDEM 2019
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by Shelley Lambert At: FOSDEM 2019 https://video.fosdem.org/2019/H.1302/deep_learning_openjdk.webm In this talk, we identify some well-known software verification problems, using real-world examples from open-source projects and see how we might apply some deep learning principles to address them. In the various points where we may test the Java runtime, we find candidates for deep learning. What is required? We need a problem to solve, a model that describes it, and a large amount of data to...
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FOSDEM 2019
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by Richard Brown At: FOSDEM 2019 https://video.fosdem.org/2019/UA2.114/containers_kubic.webm As the world moves more and more towards containerised solutions, a number of real questions start to appear. - What is the perfect platform for running containers atop? - How to use this platform as part of a flexible, scalable, highly available infrastructure fabric? - How to minimize the maintenance and administration of this platform at scale? All of these problems are well answered in an enterprise...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Joe Conway At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/postgresql11.webm The latest and greatest version of PostgreSQL is PostgreSQL 11. This talk will start off with some history of the community and a description of the development process including some metrics trends. It will then cover a high level overview of the features which will be part of PostgreSQL 11, and prognosticate a bit about the future of PostgreSQL. Community * History * Development Process PostgreSQL 11 *...
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FOSDEM 2019
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Perl 6 as a new tool for language compilers Using Perl 6 grammars to design and implement a programming language by Andrew Shitov At: FOSDEM 2019 https://video.fosdem.org/2019/K.4.201/perl6newtool.webm Perl 6 grammars are a great way to describe the grammar and implement an interpreter or a compiler of DSL or a programming language. In this talk, I will demonstrate how you can do it. During the talk, we will create an interpreter for a tiny programming language. The engine behind the...
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FOSDEM 2019
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by Andre Maia Chagas At: FOSDEM 2019 https://video.fosdem.org/2019/AW1.125/scientific_oshw.webm One of the biggest limiting factors preventing people to participate in science & education, is the lack of access to research equipment. Scientific hardware is vital for researchers and educators to conduct the experiments that will provide them with data necessary to answer scientific questions. Luckily, technological advances are making the entry barrier and learning curve for hardware...
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FOSDEM 2019
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by Jasper Nuyens At: FOSDEM 2019 https://video.fosdem.org/2019/K.1.105/tesla_hacking.webm How and why hack a Tesla and its Linux systems? What is possible, implemented and 'to-do'? Call for joining the new world of Electric Vehicle Hacking. Do you want to help to bring some Freedom to our cars? My 'Tesla Hacking' evolved to a broader project 'FreedomEV'. Building a community to encourage and build better and OpenSource sofware for in-vehicle entertainment and beyond... The current state of...
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FOSDEM 2019
Feb 21, 2019 FOSDEM
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by Kyle Rankin At: FOSDEM 2019 https://video.fosdem.org/2019/Janson/cloud_is_another_sun.webm You could reasonably call cloud services the crowning achievement in the world of Free and Open Source software. Linux and Free and Open Source software killed proprietary UNIXes in bare metal data centers and went on to dominate cloud services to such a point that it has even caused Microsoft to completely change their stance and embrace Linux and Free and Open Source software or risk the future of...
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