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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


Zip disks, anyone else remember these existed? Anyone?
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Linux Security Summit 🐧

🐧 The 2024 Linux Security Summit EU schedule is published: https://events.linuxfoundation.org/linux-security-summit-europe/program/schedule/

🐧 Event: 16-17 September. Vienna, Austria.

🐧 Register: https://events.linuxfoundation.org/linux-security-summit-europe/register/
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Would you trust an $8.99 7-port USB hub ? Asking for a fiend…
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I think I have teased this already, so here it is:
Proudly presenting “ligra”, an open source projector/projection (LiGra – Light Graffiti) platform, allowing you to broadcast your messages, your logos, your artwork, whatever you need others to hear, to whoever sees it! :3

With ligra I wanted to explore image-projection and especially projections on the cheap, so I went to my local flea market and built a platform around old camera lenses. You can find two of them in the wild at

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A nice evening of trying to get the best out of our SEM!

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@sundogplanets I don’t think it would be radioactive ?
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I hope this toot finds you well
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@pid_eins @GabrielKerneis is this fixable in libselinux, or is it too far gone?
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@SteveSyfuhs unless that's what the virus-infected site wants us to think...
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Incredible project, an open source MRI machine. Build video / workshop: https://www.youtube.com/watch?v=1q0dXg17E_w
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Should I install this software?
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Join us for the last session of the party with @UniversalBlue and closing remarks!

Watch it live: https://www.youtube.com/watch?v=DRoy2TZC5V4

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@maehem that font brings back memories.

RE: https://mastodon.social/@maehem/112497725751975147
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A gentleman named Paul Khoury approached me about getting a retro computer he'd acquired up and running. The computer is a Sun SPARCstation UPN (1997), a prototype for a super small desktop computer that preceded the Mac mini by about 6-7 years. Only about 20 were ever made. I was the designer on the project and had poured my soul into it, so I was proud to help him get it running. I dug out the schematics from storage and gave any advice I could remember and he got it powered on in a few days.

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