Posts
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Following
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Followers
432
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

Reply to @monsieuricon
@monsieuricon oh, you still have nation states in your 2030 model :-\
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jmorris
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calyxinstitute@mastodon.social

The Calyx Institute

RE: https://mastodon.social/@flypig/115731062513471615

If you are going to in 2026, stop by the FOSS on Mobile devroom!

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jmorris

James Morris

Regularly asking yourself "What if everything I know is wrong?" is important.

https://youtube.com/shorts/EMV0VXpvPgo?si=fcOg6mfNWn-0kvUX
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jmorris

James Morris

@mpi_grav great opportunity to work & study in a fundamental and concrete field.

RE: https://academiccloud.social/@mpi_grav/115724935735282096
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jmorris

James Morris

Reply to @nina_kali_nina@tech.lgbt
@nina_kali_nina @jamesb does it still smell the same?
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jmorris

James Morris

Reply to @jmorris
@linuxplumbersconf direct link to slides: https://lpc.events/event/19/contributions/2222/attachments/1956/4168/Ultraviolet_LPC_2025.pdf
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jmorris

James Morris

Reply to @alison@burningboard.net
@alison @yoctoproject @linuxplumbersconf the idea is that we want to use the container boundary as a well defined security abstraction, and then we can simplify the design of the system overall, i.e., the base system is essentially fixed, and there is a well defined “app model” at the container boundary. The type of container actually implemented is not specified — it can be a systemd portable service, for example. It would be possible to not use a standard container runtime, and build/use some lightweight name spacing scheme. We do want to avoid workloads which install directly and do whatever they want all over the system, as it is infeasible to secure at scale in a broadly adoptable manner.
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jmorris

James Morris

Reply to @jann@infosec.exchange
@jann it would be interesting to add landlock support here, if it’s not already being done ? @l0kod
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brauner@mastodon.social

Christian Brauner 🦊🐺

The website for 2026 is up:
https://events.linuxfoundation.org/lsfmmbpf

LSFMM 2026 will take place in Zagreb, Croatia May 4 to May 6.

I have the privilege of acting as chair for this year and I'm very excited for one of the best conferences out there.

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jmorris

James Morris

I presented an overview of the Ultraviolet project at @linuxplumbersconf today. This is a proposed architecture and reference implementation for generalised code integrity in Linux. The goal of the presentation was to seek early feedback from the community and to invite collaboration. The slides are here: 🖥️ https://lpc.events/event/19/contributions/2222/
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jmorris

James Morris

Reply to @gigabecquerel@chaos.social
@gigabecquerel I'm guessing useful also for examining things at die scale.
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jmorris

James Morris

Edited 5 months ago
Meteor scatter is fun & addictive. Should be a good opportunity for folk (in the US and EU, at least) to try receiving over December 11/12.

Receiving is actually pretty easy on 6m. You can do it with a simple dipole, an RTL-SDR, and WSJT-X. Better with a gain antenna like a Moxon. Use the pskreporter site to see where other stations are active on 6m msk144, aim roughly at the "radiant" midpoint and leave running overnight.

If you've decoded AIS, ADS-B, APRS etc., you can easily do this.



📡 See: https://www.hamsci.org/msqp
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jmorris

James Morris

Reply to @gigabecquerel@chaos.social
@gigabecquerel what is a polariscope and where can I get one? Sounds like something I need.
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jmorris

James Morris

@stgraber nice!

RE: https://hachyderm.io/@stgraber/115645419902489080
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jmorris

James Morris

A couple of shell aliases I use all the time:

alias gg="git grep"
alias gt="glow -t"

The last is for viewing .md files.
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jmorris

James Morris

FYI. This is/was a strong password & supposedly protected.
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jmorris

James Morris

Kind of weird to think that Voyager 1 is 25 billion km away, transmits with about 22 watts of RF power, and we can still hear & decode it here it on Earth.
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jmorris

James Morris

Video of reflow soldering with an MHP50 hotplate. Works pretty well for small boards. I was previously using a hot air gun but it would blow the components around. Can also more accurately follow the manufacturer reflow specs.

https://www.youtube.com/watch?v=rdS6JTRX_HA
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jmorris

James Morris

Reply to @arrjay@tacobelllabs.net
@arrjay no
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jmorris

James Morris

@strangeparts not sure I would enter such a room.

RE: https://mastodon.strangeparts.com/@strangeparts/115515407911086704
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