Posts
156
Following
385
Followers
310
Dr. WiFi. Linux kernel hacker at Red Hat. Networking, XDP, etc. He/Him.

How do you build a mental model of a system where "Wrong PIN" means "Your computer's hard drive is full because you bought a phone?" How?

How can anyone be expected to navigate a world like this?

My friend @grimalkina wrote this a few weeks ago: https://www.fightforthehuman.com/why-i-cannot-be-technical/

... and you should read it, but I have to believe that she is, as she always is, being far too kind.

Maybe "being technical" just means, "I'm willing to act like this bullshit is normal and acceptable."

3
3
0
@joe-lawrence ugh, yeah, sounds like something that involved a lot of hair tearing 😅
0
0
0

@mike
The Antifa organization has a long history of aggression, Antifa seen here in action, june 6 1944 👇🏼

1
4
0

Toke Høiland-Jørgensen

New blog post: "Using eBPF to add arbitrary delay to kernel functions"

Decided to try out writing a utility to add arbitrary delay to kernel functions, as a debugging aid.

And yes, I did manage to stall my laptop while implementing this; thank you for asking! :)

https://blog.tohojo.dk/2025/09/using-ebpf-to-add-arbitrary-delay-to-kernel-functions.html
2
6
11

At the eBPF workshop, Panayiotis Gavriil introduced uXDP, a new XDP runtime that allows you to run unmodified, verified XDP programs on top of DPDK or AF_XDP. uXDP was able to improve the performance of an unmodified Katran by 40%!

Slides: https://drive.google.com/file/d/1xrGEn8AYAfqRt8hh2uCSJCnN0B_no96l
Paper: https://dl.acm.org/doi/pdf/10.1145/3748355.3748360
Code: https://github.com/userspace-xdp/userspace-xdp

0
2
0

Traditional profiling tools can introduce a lot of overhead when tracing XDP programs, especially for small programs. At the eBPF workshop, Vladimiro Paschali presented a new tool tailored for XDP that significantly reduces that overhead.

Slides: https://drive.google.com/file/d/1qsBSaMQPW3L3xBSgJfYqcLGKGNXjLoqf
Paper: https://dl.acm.org/doi/pdf/10.1145/3748355.3748367
Code: https://github.com/VladimiroPaschali/eBPF-InXpect

1
2
0

Inspirational Skeletor💀

0
11
0

Someone asked me if I was ready for the fall and it took me a minute to realize they meant autumn and not the general collapse of society.

0
9
1

the punishment is a bit medieval but i appreciate the enthusiasm

0
10
1
AI, university nonsense
Show content

I (and my whole department) just got an "urgent" email request to let our dean and provost know "how we plan to infuse genAI into our teaching and curriculum" (we are a writing, rhetoric, and human communication department). 😑🤦

Anyway, here's what I sent back:

"Encourgaging students’ Own Voices and standing against linguistic homogenization are two primary concerns of writing studies as a discipline, and these concerns are especially important both to first-year college writing courses and the pluralistic goals of technical and professional writing environments. There is also a substantial and growing body of research that demonstrates that using genAI and similar applications as instructional tools, “tutors,” or “collaborators” results in cognitive costs that degrade students’ working memory, accelerate user deskilling, undermine students’ development of higher order thinking skills, and decrease student motivation for learning.

For these reasons, not to mention for reasons of concern regarding environmental cost and ethical provenance, I am participating in the movement to Refuse GenAI in writing studies. While in my writing courses students are certainly invited to engage in discussion of important issues surrounding both AI adoption by the academy and workplace and AI refusal as a principled response to such breakaway adoption, I do not integrate any AI into my writing curriculum or my students’ writing practice."

2
5
0

As a consoling thought, when you look outside of the so-called "Western World", it becomes clear that have already lost.

The surge in around here is in part a last-ditch effort to prop up a failing business model. This might "work" for a while, but it can only delay the end of the Fossil Fuel Age, not stop it.

Which doesn't make fighting fascism unimportant, of course. Any harm we can stop, we should. But they _will_ lose this, in the end.

1
7
0

Finding a business model for an open source projects is really hard, but "pay us to remove the catgirl pictures if you want to look professional" is one of the coolest attempts I've seen so far:
https://anubis.techaro.lol/docs/admin/botstopper

2
14
0
Edited 1 month ago

Why use a URL shortener when you can use a phishy URL extender?

https://phishyurl.com/

Keep your security people alert and awake, generate phishing-looking redirecting links

1
34
0

The Amphora of Great Intelligence (AGI)

1
50
2
Edited 1 month ago
SIGNAL - PRIVACY ALERT

Seems that Google are up to their AI tricks again with Android. Gboard is caching typed content by default and Gemini Assistant, and one assumes by extension Google, apparently has access to chats. Samsung not innocent on this either apparently.

So from what I understand about current outrage it's best to goto Signal - Settings - Messages and set to 'No name or message' to prevent Android from reading notifications

AND

Goto Signal - Settings - Privacy and enable Incognito Keyboard. But make sure you use a keyboard that respects this setting.

These really should not be the default settings on a privacy product like @signalapp

PS. I de-Googled my life a decade ago and feel much better for it. ;)

#Signal
0
2
0

I've been following this "mutual safety standards recognition" stuff out of the US/EU talks. This could be really, really bad.

It would mean that US vehicles, like those giant dangerous SUVs and pickup trucks, could be freely imported into the EU in volume without having to pass EU vehicle safety standards (like pedestrian safety).

I haven't seen any organised resistance to this. Does anybody know any other organisations that are fighting this?

https://etsc.eu/etsc-mutual-recognition-deal-with-u-s-will-cost-lives-on-europes-roads/

12
15
1
@GrapheneOS @jawsh ohh, hadn't thought about the exploit mitigation thing, will check that out - thanks!
1
0
0
@matttbe thanks! I was already on LineageOS with micro-g, so I do have some experience with non-stock Android. The biggest hurdle initially was figuring out how to install the non-foss apps I use. A bit annoying, but a mix of Aptoide, and a couple of manual downloads from apkmirror, have me all set so far :)
1
0
0
Show older