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Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics, #space, #arduino.

📡 https://w7txt.net/
🐧 https://blog.namei.org/
☠️ https://www.facebook.com/w7txt


Good morning.
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@gloriouscow Build a fully functional replica Fairlight CMI to match.
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Submissions for the Refereed Track, Kernel Summit, BoF and Microconferences are now open. Please read our latest blog post for tips to contribute to LPC.

https://lpc.events/blog/current/index.php/2026/03/23/submission-time-for-linux-plumbers-2026/

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@almalinux glad to learn we are a sponsor! Definitely bring this up next time you're talking to the folk who manage that & see if you can get more :-)
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Edited 1 month ago
@almalinux you are powering linux.microsoft.com (mail server, no web interface), fwiw.
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@almalinux btw, I upgraded several servers to Alma from CentOS and have not looked back. You saved me a lot of time & mental pain -- thanks so much!
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Protip: if you're chatting with an LLM about an idea that might be patentable, ask it about the confidentially status of your chat.
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@abraxas3d Michelle is driving a massive amount of citizen science.

RE: https://mastodon.radio/@abraxas3d/116302038166568943
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Am I 3D printing correctly?
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What is going on with the shortage of Raspberry Pi 5 8GB boards?
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📣 The CFP for All Systems Go! 2026 is now open!
Submit your talk about foundational user-space Linux technologies now 👉 https://cfp.all-systems-go.io/all-systems-go-2026/cfp

ℹ️ More info here: https://all-systems-go.io/

🎫 Tickets go on sale in April.

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@llvm the gap between seeing an unknown exploit and reverse engineering it?
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David Chisnall (*Now with 50% more sarcasm!*)

We’ll be talking more about the progress on the CHERIoT port of Rust at CHERI Blossoms next week, but here’s a teaser:

The embedded graphics crate rendering an image on Sonata. This currently using a (memory-safe) C function to draw pixels (that can go away with a little bit more work) but the current compiler is able to build this crate and run it in a CHERIoT compartment.

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@jpsays looks like a phishing attempt.
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Oh great. If you see an elephant with an IR flashlight on the side of the road, beware. https://www.ndss-symposium.org/ndss-paper/targeted-physical-evasion-attacks-in-the-near-infrared-domain/
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I need to find a better way to do this.
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@mcdanlj tried a simpler project from scratch with a newer model. Took about an hour, then each new feature took 5-10 mins each. Saved many hours of work. https://github.com/xjamesmorris/pskreporter-tool
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@gigabecquerel PEEK, which I know only as "that stuff I can't 3d print at home"
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