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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
jmorris
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LinuxSecSummit

Linux Security Summit 🐧

Edited 5 days ago
📢 🐧 The schedule for Linux Security Summit North America (LSS-NA) 2026 is published!

➡️ https://events.linuxfoundation.org/linux-security-summit-north-america/program/schedule/ 👀

LSS-NA 2026 will be held May 21-22 in Minneapolis, MN, co-located with the Open Source Summit.

✏ Register here: https://events.linuxfoundation.org/linux-security-summit-north-america/

#linuxsecuritysummit #linux #infosec #security
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jmorris

James Morris

Reorganizing my home office & added a new switch to provide PoE and SFP. The latter is for steaming I/Q samples from mast-mounted SDRs for local processing. POE is for desktop IP phone (SPA525G) & SBC hacking.

Quite happy with this low-cost Linksys so far. 1990s me with a 10BASE2 net connected to a dial up modem would be astonished.
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jmorris
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rostedt

Steven Rostedt

For those of you that submit content to Linux Plumbers, you will be able to buy tickets for the conference two weeks before it opens. And if your content gets you a free pass, yes, you will be refunded.

https://lpc.events/blog/current/index.php/2026/04/06/changes-to-registration-availability-for-2026/

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jmorris

James Morris

@ada Just struck me that this is the first photo I've seen of a woman beyond Earth's orbit.

RE: https://zoner.work/notes/akpflj8w7ccm000g
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jmorris
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ada@zoner.work

neptune *Ada Freya ⋆.˚🦦⋆🦌 - Neptuwunium

the artemis 2 photos go extremely hard

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jmorris

James Morris

Experimenting with 3D printed DIN rail mounts for projects. The attachment brackets are from open source hw projects, as are the WAGO & RS25 brackets. The PCB & vertical mount brackets are customized (to be published soon). I’ll adopt some kind of hole pattern standard for my own PCBs to simplify things. Possibly 20x20mm grid?
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jmorris

James Morris

Transequatorial propagation (TEP) on 6m is strong today. It follows Earth's magnetic field lines for certain distances across the equator for complex reasons, allowing N/S America or JPN/AUS communication on VHF at times.
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jmorris

James Morris

Good morning.
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jmorris
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linuxplumbersconf@mastodon.social

Linux Plumbers Conference

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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jmorris

James Morris

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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jmorris

James Morris

@abraxas3d Michelle is driving a massive amount of citizen science.

RE: https://mastodon.radio/@abraxas3d/116302038166568943
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jmorris

James Morris

Am I 3D printing correctly?
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jmorris

James Morris

What is going on with the shortage of Raspberry Pi 5 8GB boards?
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jmorris
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allsystemsgo@fosstodon.org

All Systems Go!

📣 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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jmorris
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david_chisnall@infosec.exchange

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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jmorris

James Morris

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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jmorris

James Morris

I need to find a better way to do this.
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jmorris

James Morris

I've been experimenting with having Claude finish an unfinished coding project. You've really got to watch it like a hawk. It does some inexplicable things like removing important comments, fixing non-existent buffer overflows, breaking protocol parsing etc. What am I missing?
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neauoire@merveilles.town

Devine Lu Linvega

Edited 1 month ago

I love how vibecoded commits are called vommits. It's so perfect.

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jmorris

James Morris

Ok, nerds. Here’s a photo of a beta XBox (One S?) in dazzle camo, from a random hallway cabinet in Redmond.
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