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EU OS

@eu-os.eu
493 followers 5 following 113 posts

Community-led Proof-of-Concept for a free Operating System for the EU public sector. EU OS is not a project of the European Union, but it should be! 🇪🇺 eu-os.eu. Account operated by riemann.cc/about

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EU OS @eu-os.eu · 20h
#EU_OS will have a talk at the #OpenSource #Conference #Luxembourg about: "From European Vision to Local Reality: Making EU OS Work for Public Administrations" Entire agenda: conference.opensource.lu/agenda/ Patrick and Robert will be around. Talk to us if you are in Luxembourg! #OSCL26 #FOSS
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EU OS @eu-os.eu · 20/09/2026
#EU_OS proposes #KDE for the future public sector digital workspace. This weekend, @kde.org has its annual conference @akademy@floss.social with many interesting talks. Join online: akademy.kde.org/2026/attendo... Recorded sessions: media.ccc.de/c/kde2026
logo for 30th anniversary of KDE with Konqi
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EU OS @eu-os.eu · 11/03/2026
While rumours of a possible owner change of #suse make rounds, check out the #EU_OS #fosdem talk slides at eu-os.eu/assets/slide... #EU_OS encourages all #Linux distributors aiming to offer high #DigitalSovereignty to setup non-profit foundations to increase ownership stability.
slide 19 on ownership stability
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EU OS @eu-os.eu · 02/02/2026
Talk online for streaming: FOSDEM 2026 - EU OS: learnings from 1 year advocating for a common Desktop Linux for the public sector fosdem.org/2026/schedul... #fosdem #fosdem26 #EU_OS #DigitalSovereignty
fosdem.org
FOSDEM 2026 - EU OS: learnings from 1 year advocating for a common Desktop Linux for the public sector
1 year ago, EU OS put out an architecture for a common Desktop Linux for the public sector. Since then, EU OS had many closed-room conversations with public servants from several member states and…
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EU OS @eu-os.eu · 31/01/2026
Robert presented #EU_OS today at #fosdem in Brussels: fosdem.org/2026/schedul... The room was full and could have been filled a 2nd time. Those who missed it can watch it later online. Make sure to follow to stay updated through 2026! Check out our PoC at eu-os.eu/poc/ .
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EU OS @eu-os.eu · 27/01/2026
We continuously update the map with existing Desktop Linux use cases on our website at eu-os.eu/use-cases#no.... Today, we added two new places: 1) 🇳🇱 The university of Groningen offers Linux computers to their staff if they ask for it. ukrant.nl/magazine/we-... 1/2
eu-os.eu
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EU OS @eu-os.eu · 23/12/2025
The US sanctions former EU Commissioner #ThierryBreton and two people from the Berlin-based non-profit #HateAid. www.bloomberg.com/news/article... (paywalled, haven't found other link yet) #EDIC #DSA #USPol #DigitalSovereignty #Breton #EU_OS
bloomberg.com
US Sanctions Former EU Official, Others in New Swipe at Europe
The Trump administration on Tuesday imposed visa sanctions on former European Union Commissioner Thierry Breton and four other people for trying to make American tech companies police political…
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EU OS @eu-os.eu · 22/12/2025
#EU_OS: Which #Linux Distribution fits Europe best? Read Robert's personal blog post and share your thoughts and questions here. blog.riemann.cc/digitalisati... #DigitalSovereignty #Fedora #opensuse #debian #rhel #almalinux #nixos #zorin #EuroStack #DigitalCommons #DigitalPublicInfrastructure
blog.riemann.cc
EU OS: Which Linux Distribution fits Europe best?
This post concerns the requirements of a Linux distribution for Europe in the context of the EU OS project and offers a comparison of Linux distributions.
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EU OS @eu-os.eu · 10/12/2025
Holger from B1 Systems, partner of #EU_OS speaks tomorrow (Thursday 11 Dec) at #OSXP 2025 in Paris about #LinuxOnTheDesktop. If you are in Paris, don't miss this session! Conference Programme: www.opensource-experience.com/en/ #DigitalSovereignty #B1Systems #ImmutableLinux #Fedora #bootc
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Adrien Linuxtricks @adriend.linuxtricks.fr · 30/11/2025
En EXCLU, je vous propose une découverte d' @eu-os.eu ! La distribution Linux qui est pensée pour les organisations publiques dans l'Union Européenne ! Un PoC et une démo (à créer soi même) est disponible ! www.youtube.com/watch?v=Fh_S...
youtube.com
EXCLU LINUXTRICKS - EU-OS : Tour d'horizon de cette distrib Linux Européenne !
YouTube video by Adrien Linuxtricks
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EU OS @eu-os.eu · 27/11/2025
Robert is on leave for the #EU_OS country tour. After 🇫🇷 in June & 🇱🇺 in October, it's now 🇳🇱 for a workshop with several organisations. With #EU_OS values sleek, eco-friendly and sovereign in mind, he takes the #eurocity 🇪🇺🚆with a foldable bike on board. So Dutch! 🫶 Follow for updates! 1/3
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EU OS @eu-os.eu · 26/11/2025
Directly after #fosdem in Brussels, #CfgMgmtCamp (Config Management Camp) will take place in #Ghent. #EU_OS just had its talk accepted. We gonna tell you more about: EU OS use case study: #bootc based laptop fleet management with #foreman. Most of the EU OS partners will also send their experts.
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EU OS @eu-os.eu · 22/10/2025
At 10AM, the panel on #DigitalSovereignty kicks off at the #AnnualPrivacyForum #APF2025. Robert speaks also about #EU_OS. Programme: privacyforum.eu/programme.htm Live stream: bbb.uni-frankfurt.de/rooms/9bx-4v...
Annual Privacy Forum Website Screenshot
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EU OS @eu-os.eu · 01/10/2025
Project lead Robert Riemann presents #EU_OS today at the Open Source Conference 2025 at the university of Luxembourg in Belval. conference.opensource.lu/agenda/ There is no live stream, but sides will be shared later! Promised! #OSCL25
conference.opensource.lu
Agenda – Open Source Conference Luxembourg
On this website we do not set cookies.\n \n \n \n \n …
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EU OS @eu-os.eu · 30/09/2025
Please ♻️: The Smart Country Convention #SCCON25 in Berlin begins today. Sadly, without the physical presence of #EU_OS, the community-led proof of concept to increase the uptake of #LinuxOnTheDesktop in the public sector. 2025 is the year of Linux! 😉 #DigitalSovereignty #EuroStack #SCCON #EDIC #DPI
eu-os.eu
Frequently Asked Questions (FAQs) | EU OS
Frequently Asked Questions (FAQs) concerning EU OS
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EU OS @eu-os.eu · 23/09/2025
Quote: "The United States is considering imposing sanctions as soon as this week against the entire International Criminal Court, putting the court's day-to-day operations in jeopardy in retaliation for investigations of suspected Israeli war crimes. #DigitalSovereignty #EuroStack #MS365 #Windows11
reuters.com
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EU OS @eu-os.eu · 04/09/2025
Robert, EU OS project lead, has met yesterday Dirk Schrödter, Minister for Digitalization and Head of the State Chancellery Schleswig-Holstein (SH), in Brussels. SH will organise a public tender for a #Linux OS. To be seen to which extend #EU_OS can be reflected in the tender specification! 🤔
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EU OS @eu-os.eu · 03/09/2025
Please reshare ♻️! Mario #Draghi on 22 Oct: "For years the European Union believed that its economic dimension, with 450 million consumers, would itself bring geopolitical power and leverage in international trade relations. This year will be remembered as the year in which that illusion evaporated."
meetingrimini.org
“Turn skepticism into action.” Mario Draghi’s speech at the Meeting
We publish the full text of the address by Mario Draghi, former Prime Minister of Italy, delivered at the meeting “What Horizon for Europe?” on Friday, August 22, at 5:00 ... Read More
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EU OS @eu-os.eu · 26/08/2025
#EU_OS is just a hobby, won't be big and professional like #Windows11. 😇 😉 en.wikipedia.org/wiki/History... #endof10 #Linux #BelatedBirthday #GNU #OSS #opensource
en.wikipedia.org
History of Linux - Wikipedia
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EU OS @eu-os.eu · 26/08/2025
After #sactions on judges of the International Criminal Court (#ICC), the US administration considers now sanctions on EU officials working on the #DigitalServiceAct #DSA:
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EU OS @eu-os.eu · 25/08/2025
Quote from #SAP CEO: "[…] we must become comfortable with a form of digital sovereignty founded on both self-determination and mutual dependencies.
economist.com
The boss of SAP on Europe’s botched approach to digital sovereignty
It’s time to prioritise code over concrete, writes Christian Klein
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EU OS @eu-os.eu · 12/08/2025
Thanks to our network of supporters, #EU_OS benefits from early access to a study from the Commission on the in-house use of Linux on the workspace. It is from 2005 and was revealed through an request for access to documents.
cover page of EC report from 2025 on "The usage of Linux and Open Source"
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EU OS @eu-os.eu · 10/08/2025
The work on #EU_OS continues. In the last days, the Proof-of-Concept pages at eu-os.eu/poc/ have received a updates on provisioning, branding and thoughts on user data backups. Open questions and issues are listed at gitlab.com/eu-os/eu-os.... Please lend us your helping hand/spread the word 🗣️
eu-os.eu
Proof of Concept | EU OS
Proof of Concept
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EU OS @eu-os.eu · 07/08/2025
"#Proton’s latest analysis reveals the extent of Europe’s dependence on US-based tech, and the results are alarming. We found that 74% of Europe’s publicly listed companies rely on US-based tech like #Google and #Microsoft." 1/3 Source: proton.me/blog/us-tech... #endof10 #EuroStack #Windows11
proton.me
US tech rules the European market | Proton
Over 74% of European businesses rely on US tech. This is an unsustainable situation, an obstacle for European innovation, and a threat to European sovereignty.
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EU OS @eu-os.eu · 18/07/2025
During the #UN #opensourceweek in June 2025 in their HQ in New York, Adriana Groh from the @sovereign.tech talked about open digital infrastructure and digital sovereignty 🇺🇳 . Robert, who attended for #EU_OS, was in the crowd – and coded meanwhile on #EU_OS. 🚀 1/2
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EU OS @eu-os.eu · 18/07/2025
The next step for #Lyon would be to extend the use of #Linux from servers to staff computers. #EU_OS is preparing a European strategy on which cities could build on. news.itsfoss.com/french-city-... #DigitalSovereignty #EuroStack #LaSuite #DINUM #endof10
news.itsfoss.com
French City of Lyon Kicks Out Microsoft
Microsoft faces growing rejection in Europe whereas open source software sees growing adaption.
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EU OS @eu-os.eu · 12/07/2025
The #US imposes 30% of #UStariffs to the #EuropeanUnion. According to Politico, the Commission is ready to retaliate. EU OS believes that a European response with Tariffs on US BigTech services (or all services that face trade deficits) would make so much more sense if the EU had alternatives. 1/2
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EU OS @eu-os.eu · 23/06/2025
The #EuropeanCommission supports multi-country projects with a programme: European Digital Infrastructure Consortium (EDIC). On 13/06 already, France mentioned the "Digital Commons" #EDIC currently in the making, which in principle could also support a sovereign operating system such as #EU_OS. 1/2
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EU OS @eu-os.eu · 19/06/2025
Meanwhile in #Berlin: Heise reports about struggles to migrate from #Windows10 to 11. Only 12% of the about 100k computers are migrated so far. 136 out of 271 have been tested for their #Windows11 support. For the others, it remains unclear. 1/3 #EU_OS
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EU OS @eu-os.eu · 19/06/2025
Flashreport: the #DigitalPublicInfrastructure day has started at the UN #opensourceweek2025. Follow the live steam here: webtv.un.org/en/asset/k1v... More at www.un.org/digital-emer... #EU_OS #DPI #opensource
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EU OS @eu-os.eu · 16/06/2025
Flash update: Opening of the United Nations #opensourceweek2025 hackathon ✅ #UN has a #Gitlab server at opensource.unicc.org that could build #EU_OS (or #UN_OS) 😁 ❌ Everyone must use #discord. Why not opensource such as #Matrix? Today, EU OS is not in the scope of the event. #EuroStack #GovStack
photo of the opening session of the UN opensource week
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EU OS @eu-os.eu · 16/06/2025
Quote: "In less than three months' time, almost no civil servant, police officer or judge in Schleswig-Holstein will be using any of Microsoft's ubiquitous programs at work. […] The current first phase involves ending the use of Word and Excel software […]." 1/3 #GermanStack #EuroStack
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EU OS @eu-os.eu · 15/06/2025
Project lead Robert will attend the United Nations Open Source Week in the UN headquarters (New York) next week to represent #EU_OS. Follow us on social media to receive updates from the event. The goal is to raise awareness about EU OS amongst government officials and the open source community. 1/2
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The Local Denmark @thelocaldenmark.bsky.social · 03/06/2025
The city governments in Denmark’s two largest cities Copenhagen and Aarhus both say they have decided to phase out Microsoft as a provider of various IT systems.
thelocal.dk
Danish cities drop Microsoft over Trump policies and financial concerns
The city governments in Denmark’s two largest cities Copenhagen and Aarhus both say they have decided to phase out Microsoft as a provider of various IT systems.
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The Federal 🇪🇺 🇬🇪🇷🇸🇺🇦 @thefederal.eurosky.social · 08/06/2025
We need European RISC-V chips and hardware for smartphones, tablets, laptops & corporate PCs. Coulped with @eu-os.eu for true independence. We cannot trust US or China for these things anymore. They don't play by the rules.
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EU OS @eu-os.eu · 07/06/2025
German Digital Minister wants open standards and open source as guiding principle. #EU_OS is fully open source and work for a Proof-of-Concept is on the way. www.heise.de/en/news/Digi... #Fedora #endof10 #Microsoft #Windows #DigitalSovereignty #EuroStack #GermanStack
heise.de
Digital Minister wants open standards and open source as guiding principle
At re:publica, Digital Minister Wildberger advocates for more sovereignty and calls for alternatives to digital payments and social media.
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Dr Benjamin Thorne @benjaminthorne.bsky.social · 06/06/2025
European Commission's response to US sanctions: 'The ICC holds perpetrators of the world’s gravest crimes to account and gives victims a voice. It must be free to act without pressure' #ICC
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EU OS @eu-os.eu · 03/06/2025
Day 2 of #hackdays2025: #EU_OS has now a Proof-of-Concept section on the website (work in progress). The team enrolled some #bootc PCs in #Foreman. The results so far were pitched to a selection board. Thanks to the great team! 🙏 Unfortunately, #EU_OS wasn't selected to proceed to the next stage.
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EU OS @eu-os.eu · 02/06/2025
Day 1 of #hackdays2025: #EU_OS has started with possibly the biggest team of 14 people from several countries. To build the proof of concept, the team works on several sub tasks: - building the EU OS image - setting up full-disk encryption - setting up FIDO2 hardware key to unlock encryption 1/2
criteria for the hackdays jurywork packages
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Mathias Vermeulen @mathver.bsky.social · 29/04/2025
How the European Union Fell Out of Love with Open-Source Software cms.mgt.tum.de/fileadmin/mg...
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EU OS @eu-os.eu · 31/05/2025
2 days until #EU_OS at Paris #HackDays: A part of the team arrived already in Paris. The planning of the work started in the public Gitlab at gitlab.com/eu-os/eu-os.... Robert brought an old Thinkpad X220 (released 2011) that will serve as a test device until a more modern device has been found!
gitlab.com
Issues · EU OS / EU OS Docs and Planning · GitLab
Documentation for EU OS at https://eu-os.eu and Gitlab Issues for Project Planning.
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EU OS @eu-os.eu · 30/05/2025
3 days until #EU_OS at Paris #HackDays: How many hours do you use your #Windows office PC per day? For 6h in front of the computer, this makes 6h·20d·11=1320h per year: Time that users spent in an ecosystem entirely controlled by few powerful, rich people in other countries. 1/3 #DigitalSovereignty
Free and Libre Ecosystem (Linux Foundation, Cloud Native Computing Foundation)

· public invest (public money, public code)
· several possible product vendors
· competitive public procurement
· open source license permits everyone
  to modify code and innovate
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EU OS @eu-os.eu · 29/05/2025
4 days until #EU_OS at Paris #HackDays: project lead Robert and few supporters start already the weekend before to increase the chances to have a working Proof-of-Concept by the end of Tuesday. Learn more at eu-os.eu 1/3
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EU OS @eu-os.eu · 28/05/2025
5 days until #EU_OS at Paris #HackDays: The architecture for EU OS must allow for a migration phase in which both #Microsoft #Windows and EU OS run in parallel (hybrid setup). 1/3 #endof10 #Linux #sysadmin #DigitalSovereignty #eurostack #Khan
Inital Setup (windows only): two windows latpop connect to ADHybrid Setup: Windows computers connect to AD and EU OS computers connect via FreeIPA to AD.Final Setup with only EU OS computers all connected to FreeIPA
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EU OS @eu-os.eu · 27/05/2025
6 days until #EU_OS at Paris #HackDays: EU OS is a so-called atomic operating system that offers interruption free software updates thanks to #bootc (bootable container) technology. 1/3 #Linux #DigitalSovereignty #Microsoft #Windows #Trump #Khan #Tariffs #sysadmin #endof10
Atomic Linux software update process: download update in background + switch to update during boot. User files stay untouched.
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EU OS @eu-os.eu · 26/05/2025
7 days until #EU_OS at Paris #HackDays: #EU_OS has a great team setup to test the architecture for a Linux-on-the-desktop setup. Feel free to comment with your experience if you have some! More Info: gitlab.com/eu-os/eu-os.... #DigitalSovereignty #Microsoft #Windows #Khan #EuroStack #Linux #Trump
OS Build Pipeline with Git CI ServerOS Deployment Pipeline with Foreman Server and ProxiesUser Management with FreeIPA Server and possibly Active Directory integration.
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EU OS @eu-os.eu · 19/05/2025
Who doesn't know the situation: Quickly leaving office to catch a train/flight or join some dinner or sport class, but then the laptop cannot be powered off due to a #Windows update. The software alternative eu-os.eu installs updates invisible in the background.
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EU OS @eu-os.eu · 19/05/2025
Data from the domain DNS shows that many European public services rely on proprietary cloud services: jurgen.gaeremyn.be/2025/03/08/e... "Querying mail-servers teaches that in some countries, over 70% of all public services rely on this American provider." #Trump #EuroStack #DigitalSovereignty
jurgen.gaeremyn.be
European critical dependencies – Pseudo Random Noise
Pseudo Random Noise
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EU OS @eu-os.eu · 15/05/2025
Since #Trump imposed sanctions on Chief Prosecutor #Khan of the Intl. Criminal Court #ICC, Khan faces issues to access his emails. apnews.com/article/icc-... #EU_OS contributes to improve the business continuity of public authorities, intl. organisations and companies likewise: eu-os.eu #eurostack
apnews.com
Trump's sanctions on ICC prosecutor have halted tribunal's work
Nearly three months ago, U.S. President Donald Trump slapped sanctions on the International Criminal Court's chief prosecutor, Karim Khan.
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Marc Tachelet @mtachelet.bsky.social · 09/05/2025
75 years ago today, the #SchumanDeclaration lit the spark of European unity. That vision lives on through #HorizonEU, empowering bold research & innovation across borders 🧪 Happy #EuropeDay! Science unites. Innovation drives. Europe leads. #philsci #SciComm
A visual with the text: Happy Europe Day!
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