Posts
535
Following
491
Followers
400
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

James Morris

Dumb legal question: if people generally do not read terms of service type documents, how are they valid as a legal vehicle?
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jmorris
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stgraber@hachyderm.io

Stéphane Graber

A bit of a retrospective on in 2024 and what to look forward to in 2025!
https://stgraber.org/2025/01/04/incus-in-2024-and-beyond/

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jmorris
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brauner@mastodon.social

Christian Brauner 🦊🐺

util-linux has merged support for statmount() and listmount() to list mounts:
https://github.com/util-linux/util-linux/pull/3092#event-15865684400

This should be a nice performance improvement.

See https://brauner.io/2024/12/16/list-all-mounts.html for some details on listmount() and statmount().

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jmorris

James Morris

Peeking at the recent CCC video list:

https://media.ccc.de/b/congress/2024

"BlinkenCity" - uh oh.
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jmorris

James Morris

Reply to
@HopelessDemigod @Athena 60 kHz, sounds like WWVB?
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jmorris

James Morris

Reply to @va3db@mastodon.radio
@va3db @on5zo @VE7WYC oh, ok.
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jmorris

James Morris

Reply to @mjg59@nondeterministic.computer
@mjg59 So that's what a party invitation looks like.
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jmorris

James Morris

Reply to
@Athena I sometimes scan HF CB channels when driving long distances out of boredom. Usually uninteresting.
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jmorris

James Morris

Reply to
@HopelessDemigod nice.
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jmorris

James Morris

Reply to @mcfadden@mastodon.social
@mcfadden Solid recs to help lift that SAD!
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jmorris

James Morris

@petrillic Yikes, that seems to be very simple. Video: https://media.ccc.de/v/38c3-hacking-the-rp2350

RE: https://hachyderm.io/@petrillic/113805844834383637
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jmorris

James Morris

Here's a brief blog on my amateur radio publications last year: https://w7txt.net/2024/12/29/publications-in-2024/

- Investigating the Extended Frequency Range of the WA1MBA Millimeter Wave Quadrupler.

- Open Source Arduino Controller for Surplus Flatpack2 PSU.

#hamradio
#amateurradio
#microwave
#eme
#moonbounce
#electronics
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jmorris
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gigabecquerel@chaos.social

gigabecquerel

Reply to @gigabecquerel@chaos.social

It's a gamma compensated neutron ionisation chamber!
Basically two chambers in one, sharing one electrode. One chamber is coated in boron to make it neutron sensitive, the other isn't and with some clever wiring of both chambers you can make sure the current on the shared electrode is just from neutrons, regardless of the gamma background!

You'll typically find these very close to a reactor core, used for measuring power.

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jmorris
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brauner@mastodon.social

Christian Brauner 🦊🐺

I've written a post that shows how to list all mounts in all mount namespaces (all mounts on the system) using new apis we added to the last year.

https://brauner.io/2024/12/16/list-all-mounts.html

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jmorris
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pid_eins@mastodon.social

Lennart Poettering

Here's a blog story with the links to all those stories on Mastodon:

https://0pointer.net/blog/announcing-systemd-v257.html

Enjoy! And stay tuned for !

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jmorris

James Morris

I'm also on bsky: https://bsky.app/profile/jamesmorris.bsky.social

Seems to be growing for #amateurradio & related lately. Currently I'm randomly posting across X, here, and bsky.
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jmorris

James Morris

What is the secret to getting tigervnc-server working under Fedora 40?
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jmorris

James Morris

Reply to @LaF0rge@chaos.social
@LaF0rge @c3gsm @c3isdn @ChaosPost @fixeria @manawyrm @qsx you would have loved the days of x.25 in Australia
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jmorris

James Morris

Reply to @va3db@mastodon.radio
@va3db this is THE WORST part of any project. A jeweler's saw can be useful, if you haven't tried it yet. One day I'll have a small milling machine for this.
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jmorris

James Morris

pathological enshittification achieved

RE: https://hachyderm.io/@molly0xfff/113539381334735295
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