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jdub

4,425 karma · joined June 8, 2010

http://bethesignal.org/
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jdub··on Linux From Scratch ends SysVinit support
LFS never had academic, educational, or pedagogical merit. It was always sheer faith that by doing enough busywork (except the truly difficult stuff), something might rub off. Maybe you learn some names of component parts. Components change.
jdub··on Software Survival 3.0
Weeeeelllll...

Post-CFEngine (Puppet, Ansible, Terraform) and cloud platform (CloudFormation) infrastructure-as-code is over a decade old.

Docker's popularisation of containers is just over a decade old.

But containers (and especially container orchestration, i.e. Kubernetes) are still entirely ignorable in production. :-D

jdub··on Porting 100k lines from TypeScript to Rust using Claude Code in a month
I'm not threatened by the idea that LLMs might actually be intelligent. I know they're not.

I'm threatened by other people wrongly believing that LLMs possess elements of intelligence that they simply do not.

Anthropomorphosis of LLMs is easy, seductive, and wrong. And therefore dangerous.

jdub··on I let ChatGPT analyze a decade of my Apple Watch data, then I called my doctor
Why do people even begin to believe that a large language model can usefully understand and interpret health data?

Sure, LLM companies and proponents bear responsibility for the positioning of LLM tools, and particularly their presentation as chat bots.

But from a systems point of view, it's hard to ignore the inequity and inconvenience of the US health system driving people to unrealistic alternatives.

(I wonder if anyone's gathering comparable stats on "Doctor LLM" interactions in different countries... there were some interesting ones that showed how "Doctor Google" was more of a problem in the US than elsewhere.)

jdub··on I let ChatGPT analyze a decade of my Apple Watch data, then I called my doctor
Why do you have those expectations?
jdub··on ChatGPT Containers can now run bash, pip/npm install packages and download files
> But now that most code is written by LLMs...

Pause for a moment and think through a realistic estimation of the numbers and proportions involved.

jdub··on Linux kernel framework for PCIe device emulation, in userspace
(Ha, nice to see Jon Corbet's name on the PCI Endpoint documentation...)
jdub··on QNX Self-Hosted Developer Desktop
And,

    BARTLET
    By the way, the words you are looking for are, "Oh, good grief!"
jdub··on Reflections on AI at the End of 2025
I get the impression that folks who have a strong negative reaction to the phrase "stochastic parrot" tend to do so because they interpret it literally or analogously (revealed in their arguments against it), when it is most useful as a metaphor.

(And, in some cases, a desire to deny the people and perspectives from which the phrase originated.)

jdub··on Go is portable, until it isn't
Static linking can be a layer of defence against some security issues, depending on your circumstances.

But what I said was "reduced security footprint", considering the trade offs between a single statically linked binary and a full (or even cut down) Linux distribution.

jdub··on AI will make formal verification go mainstream
To simplify for a moment, consider asking an LLM to come up with tests for a function. The tests pass. But did it come up with exhaustive tests? Did it understand the full intent of the function? How would it know? How would the operator know? (Even if it's wrangling simpler iterative prop/fuzz/etc testing systems underneath...)

Verification is substantially more challenging.

Currently, even for an expert in the domains of the software to be verified and the process of verification, defining a specification (even partial) is both difficult and tedious. Try reading/comparing the specifications of e.g. a pure crypto function, then a storage or clustering algorithm, then seL4.

(It's possible that brute force specification generation, iteration, and simplification by an LLM might help. It's possible an LLM could help eat away complexity from the other direction, unifying methods and languages, optimising provers, etc.)

jdub··on Go is portable, until it isn't
Depends how much you care about the size and security footprint of your container images.
jdub··on Stoolap: High-performance embedded SQL database in pure Rust
Yay, glad you found the discussion (well, the good bits), and thanks for the answer. It's cool work!
jdub··on Stoolap: High-performance embedded SQL database in pure Rust
Don't let "AI" make you jump at shadows. Maybe, but probably not.

The first commit was pretty fully-formed, which without "AI" glasses on just means someone did a whole bunch of work before exposing/releasing their work.

jdub··on Stoolap: High-performance embedded SQL database in pure Rust
What an impressive release!

It makes me very curious.

Delivered to GitHub fully-formed: A grand total of 9 commits (mostly docs and CI fixes), all in the last 5 hours, and v0.1.0 released 3 hours ago.

No external database/storage-layer dependencies, so it's not "just" a CLI/server/parser wrapper around other libraries doing the "real work".

It appears to have a substantial test suite (76% code coverage, not skipping the scary bits), and great documentation.

There's a bit of context on https://github.com/stoolap but not much else about the author, project goals, relationship to other systems, e.g. it could be the data layer for something else.

(Interestingly, there's an archived stoolap-go repo with a very similar Go implementation of a columnar/hybrid database, so this is not the author's "first draft".)

jdub··on Scientists create ultra fast memory using light
(I was being a little facetious – vacuum tubes being the original "transistors".)
jdub··on Rubio stages font coup: Times New Roman ousts Calibri
There are very few ways in which US governance and/or regulation leads the developed world, but a huge (and surprising) one is the 1990 (!) Americans with Disabilities Act (ADA). It is astonishingly, transformationally inclusive, and makes life better for every American (because everyone needs accessibility to different degrees, at different times).

Switching from Calibri back to Times New Roman "because DEI" 100% tracks with this administration's spiteful Project 2025 vandalism.

jdub··on Scientists create ultra fast memory using light
Careful about "never"… individual transistors used to be large, heavy, power hungry, and expensive.
jdub··on Rust in the kernel is no longer experimental

    unsafe {
        // this is normal Rust code, you can write as much of it as you like!
        // (and you can bend some crucial safety rules)
        // but try to limit and document what you put inside an unsafe block.
        // then wrap it in a safe interface so no one has to look at it again
    }
jdub··on The Penicillin Myth
Please compare a chocolate bar after 30s in your pocket and 30s in your microwave.
jdub··on What OpenAI did when ChatGPT users lost touch with reality
Yes, it really, truly does. It's especially helpful if that person has some human experience, or even better, up-to-date training in the study of human psychology.

An LLM chat bot has no agency, understanding, empathy, accountability, etc. etc.

jdub··on Personal blogs are back, should niche blogs be next?
Ha, Julie and Julia is an excellent riposte.

The previous poster might also consider all the high profile, independent, and influential publications across various subjects that grew out of blogging – e.g. HuffPo, Pitchfork, Jezebel, so many video gaming and entertainment sites... many of which were sadly bought up by rich idiots and/or existing media conglomerates.

jdub··on Aldous Huxley predicts Adderall and champions alternative therapies
Correctly prescribed stimulants aren't "doping up the populace", and ADHD existed long before it was described.
jdub··on Upcoming Rust language features for kernel development
a data race is specific kind of race condition; it's not rust parlance, but that specificity comes up a lot in rust discussions because that's part of the value
jdub··on In-Party Love, Out-Party Hate, and Affective Polarization in Twelve Democracies
It's possible you've missed the entire 20th Century and 21st Century thus far, so an exhaustive list of examples would be impractical, but perhaps take a moment to ponder just a couple:

- "yellow cake uranium"

- "a land without people for a people without a land"

jdub··on Libghostty is coming
You can leave the cat at home.

  less foo.log
  grep 09-25-2025 foo.log | less
jdub··on Automattic Hit with Class Action over WP Engine Dispute
WordPress is copyleft (GPL), and copyleft is open source.

And these are the consequences and indeed the intentions of open source. There's no "ripping off", this is what Open Source licenses permit. If contributors didn't want this to be possible, they shouldn't have licensed their software this way.

(Of course, WordPress itself is a fork of a GPL project, so didn't have the option, and you could equally say it's "ripping off" that project. But we don't. Because it's open source. And that's how it works.)

jdub··on DOJ will push Google to sell off Chrome
(I don't think your analysis makes sense, but...) Hey, if Google loses its advertising cash cow and vacates the web for apps, that'll really open up the web search market too! Great news!
jdub··on DOJ will push Google to sell off Chrome
Now you're getting it!
jdub··on DOJ will push Google to sell off Chrome
Sounds like a Google problem.

The web existed before Chrome, and will continue to exist afterward.

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