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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


Today is the anniversary of the launch of the Self-Protection Project (2015), and the invention of the Flux Capacitor (1955):
https://lore.kernel.org/kernel-hardening/CAGXu5jJ3FgxXK9WuOLRwnEq=y4dS+CTm+WQBxWe3sYZ7e9p6Gg@mail.gmail.com/

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Edited 1 year ago
FWIW. I've made a couple of essentially duplicate postings across X and Fediverse recently for testing purposes.

Conclusion: I'm pretty sure that engagement on RF/Microwave/Amateur Radio is better here now, and also that there are many more bots on X than real people. I also suspect that followers on X are not seeing much from regular users. Infosec seems reasonably strong in the Fediverse.

There is still a lack of critical mass here in many areas, which is unfortunate. X is close to dead for normal people, but many are still primarily or only present there.

I'm not seeing anything worthwhile on bsky or threads.

What are others seeing re. social media trends? Are blogs making a comeback?
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On this week's , I interview Emma Fletcher – cofounder of Learn to Solder Kits and Evergreen Support, which helps small businesses succeed. (Plus, we went to high school together!)

Drop your questions in the chat on Tuesday (today) at 10am Pacific – or catch the replay: https://www.youtube.com/watch?v=9MZUTTGfq7w&list=PLsRBa4uXjihZwcYrwwuPhsYxWtFwMBqDF&index=1

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@michaela_p perhaps get a doctor's note for this? My experience is that they are interested in addictive (or unfamiliar to them) drugs, and as long as you have a standard pharmacy container with the prescription info they are happy. Not sure if they will care about something like, say, melatonin, which needs a prescription only in some countries.
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Christian Brauner 🦊🐺

Yes, switching everything over to .

* Most of the internal process tracking is being changed to use PIDFDs instead of PIDs when the kernel supports it, to improve robustness and reliability.

https://github.com/systemd/systemd/blob/main/NEWS

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@jperrin this could be demonstrated with an appropriately loaded system and a CPU with no heatsink.
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Not sure who needs to hear this but microwave ovens operate at UHF.
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The Linux v6.7 merge window has been open for a few days now, here are the SELinux and audit highlights:

https://paul-moore.com/blog/d/2023/11/linux_v67_merge_window.html

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So we merged this → https://github.com/systemd/systemd/pull/28891 into systemd today. I like to believe that this is a major step towards closing the "TPM gap" we have on Linux toward other OSes. It can automatically generate an automatic TPM2 PCR policy from various inputs covering the PCRs that generally are hard to predict by the OS vendor, i.e. things like local firmware versions, extension cards and so on. It stores this in an NV index in the TPM. Things like LUKS can then be locked against that NV index.

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Working on some long-needed updates to my 1.2m dish setup. Mounting an azimuth sensor (ETS25 absolute encoder) directly under the Az slew drive. A previous belt-driven version was too complicated. This is all upside down, btw. #amateurradio #hamradio #radioastronomy #electronics #microwave
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@breakingtaps @North very interesting. Seems like it would be useful for epoxying tiny mmwave diodes, too.
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Reminder, the big day starts Monday 8:30. You can still join remotely! @netdev01 0x17 https://netdevconf.info/0x17/pages/sessions.html

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@stdlogicvector The copper heatspreader (?) is worth $$ alone.
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@kees great to see this hw available for general use.
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@LaF0rge beautifully engineered. It's a shame it's not economically viable to manufacture most devices at this level of quality now. I'm always blown away when I open up old Tektronix or HP test gear, which was typically also aircraft rated.
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Video overview of 0.2 is live now!
https://www.youtube.com/watch?v=ePvhWNv-gp4

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@abraxas3d e.g., for ARQ there is STANAG 5066, which looks horrendously complex, but I wonder if some useful subset of that could be extracted. There’s an open source project which seems abandoned ? https://github.com/Rhizomatica/open5066
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@ellie many many years ago, running a large Solaris prod box for the first time, after Linux. ‘killall’ command behaviour was different.
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