The #QEMU on the Linux host emulation of CAN/CAN FD bus for #nuttx presented in the article Host-Based Development with Apache NuttX – CAN Network Simulation by Mateusz Szafoni is using lot of the components from our #canbus list https://canbus.pages.fel.cvut.cz/. I have even prepared CTU CAN FD QEMU emulation variant for SoCs without PCI/PCIe bus on the branch net-can-ctucanfd-platform and my student, Matyáš Bobek has just finished his thesis adding iMX6 FlexCAN emulation into QEMU, code is available on the flexcan branch of his QEMU repository.

I am very thankful for these open-source tools as well. For my lectures and other editing, I even use the trick to render the initial combination of video, sound, and screen by Kdenlive into a raw mp4 file and then use VLC https://www.videolan.org/vlc, which is much more performant in fast searching and playback even at peed 15x. Till the speed 3.5x, it allows even to check for audio problems. Then, I use the times of the required corrections and cuts in the Kdenlive. As for the recording, I combine multiple computers running OBS, one for the camera and the other for the screen, where I usually present with BigBlueButton https://bigbluebutton.org/, which is great for making notices and drawings into PDF and other format presentations. It allows even live online access for students, which has been crucial during COVID. I use a Wacom ONE tablet https://www.wacom.com/en-us/products/pen-displays/wacom-one for annotations and drawings.
The results are available, for example, on https://vhsky.cz/c/ctucomparch/videos and the Czech Technical University in Prague YouTube channel.

If you want to learn #RiscV basic principles yourself or use it in your computer architectures #comparch basic classes, then you can use our really open and fully shared resources, no registration required for experimenting online https://comparch.edu.cvut.cz/, downloading #QtRvSim packages for all major desktop operating systems #linux, #macos, #mswidows and obtaining lectures with the sources https://cw.fel.cvut.cz/wiki/courses/b35apo/en/lectures/start and recordings on YouTube and even advertisement-free community PeerTube instance VHSky.cz. We offer even online training and and competition site https://comparch.edu.cvut.cz/online-tools/webeval/. In this case, we store SHA1 of your e-mail only for purpose to allow participants to reset their password. So again we do not intend and even cannot use your registration for advertisement for paid courses etc.

The direct link to the #RiscV International article
High RISC, High Reward: RISC-V at 15
https://riscv.org/riscv-news/2025/05/risc-v-15-years/

@simone_z It seems that some cities are on par with Prague in some reminders of heroes and terrorist state victims, Tbilisi, Gruzie https://www.openstreetmap.org/way/43829159#map=17/41.721114/44.702049 ანა პოლიტკოვსკაიას ქუჩა (Anna Politkovskaya Street), Paris, France https://www.openstreetmap.org/way/27808917 Avenue Alexeï Navalny, Prague, Czechia https://www.openstreetmap.org/way/932597144#map=17/50.103687/14.416080 Boris Nemtsov Square

Thanks for notice, I think that this and The Microsoft-Dilemma - Europe as a Software Colony should be mandatory to study for #cvut and may it be even #cesnet IT captains. Exactly questions to resiliency to the temporal Internet connection lost and even possibility of hostilities after steering to total dependance on MS technologies have been part of my request for some analysis in the official CTU IT issues trackers. But all tickets have been closed by Mgr. Stanislav Kalina (Microsoft Technical Specialist in the Czech Technical University in Prague organization) as totally unfounded nonsense and FUD spread.

Potřebujeme svobodný software, abychom zůstali nezávislí, říká RMS https://www.root.cz/clanky/potrebujeme-svobodny-software-abychom-zustali-nezavisli-rika-rms/?utm_source=rss&utm_medium=text&utm_campaign=rss

@pavel @pabloyoyoista My personal feeling is that people are getting too much sensitive (including myself sometimes) and that they should be taught that technical opinion and fact should be expressed without hiding even hurting facts. But on the other hand it should be expressed and made clean that it is not personal attack etc. On the other hand I agree that programming and even all complex technical decisions are about feeling and taste because no human or even ML system has enough memory and computational power to do real deep search in all alternatives. The state space of possible solutions is to large. But I have my personal feeling (yes again that wold), than it is much worse to attempt to hide facts or be afraid to pass forward what you believe are facts. Then everybody needs to analyze if that what you say is what you mean or if you say it that way that you afraid etc… So nobody can build idea about different persons thoughts about his, her code etc… So I consider that it is right when I sometimes feel injustice caused to me or I cannot find same point of view as others. But it should not lead to lies, defamation etc. In the worst case, the result should be agree to disagree which can lead even to project fork or move to another project. May it be, the opinions can be communicated later and advantage of joining the forces prevails losts required by compromises. (Excuse my English, may it be it can shift my idea a little from what I mean and “feel”).

Open-Source Chips for Europe
https://open-source-chips.eu/

"We already see rising interest from many EU stakeholders, with increasing investments into open-source chip design, especially in open source IP development (e.g. RISC-V cores), and open source EDA tools.

One additional critical barrier remains toward the end-goal of building real open-source chips, especially for prototyping and education: namely, streamlining the access to open source chip production facilities (foundries) is essential."

@eunews Anyway, Patriot Act and other directives mentioned in the Register article by Frank Karlitschek, CEO of Nextcloud "The Cloud Act grants US authorities access to cloud data hosted by US companies. It does not matter if that data is located in the US, Europe, or anywhere else." do not make me feel good about actual #cvut move to full dependance into Azure/Entra ID entity management dependance and gaining our personal and servers data.

I am looking for an alternative without disruptive and distracting advertising that our students could use for a long time, and I am happy that we can test the alternative you provide. I had become angry many times when I needed to check/scan my or my colleague's previous lecture recording to follow with the next one fluently and have been forced to wait for three or five seconds after three seekings from the four. Thanks for your PeerTube setup. We will see if it will be appreciated by our students and the worldwide community, which uses #riscv for teaching. But in the long term, solutions backed by some stronger provider as is #cesnet are necessary for some wider use. I have seen that foreign universities use https://en.wikipedia.org/wiki/Kaltura, but may it be PeerTube can prove to be better choice.

For Czech language understanding visitors, I have uploaded even the recording of the Advanced Computer Architectures/Pokročilé architektury počítačů [ZS 2021/22] lectures onto advertisement free VHSky.cz site https://vhsky.cz/my-library/video-playlists/6akpEt7UVq3k6NzXdsY5Hd . Original recordings on YouTube . There exists even much lower quality English language recordings from #BigBlueButton sessions during COVID lockdown which can be found on the subject pages https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start

The VHSky.cz server playlist https://vhsky.cz/w/p/8Ejstt3Tfh8mWGcjQcEL2S
Thanks to @archos and @sesivany for providing advertising free storage on the server which they have setup. My VHSky.cz local account is @ppisa and I am learning how the content can be federated. The channel is @ctucomparch

The B35APO Computer Architectures course based on #riscv and our #qtrvsim simulator reached new (re)usability level, updated slides in the LaTeX Beamer format for lecture 1 to 10 are translated to English, PDF, CC-BY-SA Slide Sources at #cvut FEE GitLab and on GitHub. The feedback, corrections, suggestion, reuse and cooperation are welcomed. The lectures recording are available on community driven PeerTube server https://vhsky.cz/w/p/8Ejstt3Tfh8mWGcjQcEL2S and CTU FEE B35APO YouTube List. The online site with links to more related courses and on-line QtRvSim WASM application https://comparch.edu.cvut.cz/ allows even online evaluation of simple #riscv assembly and C exercises.

If Europe is going to break from US-based tech will it embrace FOSS or just duplicate the US for-profit, capitalism-based model of computing?

https://kolektiva.media/w/cbb9f78a-9705-41f6-b7a3-e869e1a0e7f2

#Linux #FOSS

@M4RSarK Have CTU #cvut IT experts considered alternatives to moving to Microsoft Entra ID next week? As I understand, MS Azure would be the authoritative source of all our university identities, and there (hopefully) will be some slave copy of Active Directory on our university servers. Unfortunately, my official ticket has been closed with the statement that information about the security system solution and contracts with Microsoft are confidential. Experts have taught me in the past that each system based on security through obscurity is only a temporal solution and usually indicates a bad design. Have you consulted #cesnet, RedHat, SUSE, CZ.nic? It seems, according to #lwn article Lessons from open source in the Mexican government, that Mexico is more aware of the potential risk to depend on the systems controlled by other country (one not-so-old example). I am not expert for security and it is not interesting area for me, I have already quite large portfolio, but I am so frightened that I would ask people form RedHat, SUSE, CZ.nic to start to gain some basic knowledge in the field to know what are the alternatives. If somebody reads this and have experience with alternatives for authentication system for organization with 20k+ personal accounts and lot of roles (I do not know the number, again classified as confidential, even that do not know any reason), then I would be happy for reply.

@sesivany @systemz @organicmaps My sympathy and hopes for friendliness to the community of Seznam.cz and their map team lowered a lot a few months ago. But on the other hand, I have heard from some source, I think internal, that they have switched to OpenSTreetMap layers for some objects even in Czech republic, I think that park benches has been mentioned. Interesting that yours have not propagated to their maps yet, but they do considerable data processing and cleanups/unification during planet import into their maps formats. So it can take some time. But anyway, it would worth to ask them if the given layer of the paths is from OSM for whole Czech republic and if they have committed back or provided by other means all their corrections and data from their proceeding sources.

#Mapycz (now #Mapycom) from #Seznam use #OpenStreetMap everywhere except their home country - Czech Republic, where they have their own proprietary maps.
There have been rumours in the #OSM community that they actually copy from OSM. Today I found proof that they really do.
I mapped a new park in #Brno just by surveying and taking notes last year. Later the park showed up on Mapy.com with exactly the same path layout. The new orthophoto is out and it revealed that I didn't get everything right and Seznam got it wrong too. Exactly the same mistakes.

Not cool, Seznam.