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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

Reply to @jmorris
Europe / Africa circuit. Thick blue line is the magnetic equator.
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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

Reply to @jmorris
The lines are not parallel, green line on the map is "zero" declination. You can see nice curved blue lines from Eastern US to South America, which the signals follow. I suspect this is marginal from the PNW, according to that map.
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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

Reply to @elonjet@mastodon.social
@elonjet nice, so do we still have to use paper straws or what ?
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jmorris

James Morris

Reply to @andyprice@mastodon.social
@andyprice the worst
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jmorris

James Morris

Reply to @algernon@come-from.mad-scientist.club
@algernon oh, man, I totally forgot about identica (linked in your profile). I guess my account is still on there somewhere.
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jmorris

James Morris

Good morning.
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jmorris

James Morris

Reply to @gloriouscow@oldbytes.space
@gloriouscow Build a fully functional replica Fairlight CMI to match.
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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

Reply to @almalinux@fosstodon.org
@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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jmorris

James Morris

Reply to @jmorris
Edited 16 days ago
@almalinux you are powering linux.microsoft.com (mail server, no web interface), fwiw.
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jmorris

James Morris

Reply to @almalinux@fosstodon.org
@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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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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