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The return of the tilde
As some of you may have noticed my web page is now under /~mc instead
of just /mc. This is a return to olden times.

The Apache web server, and probably many other web servers, had a
simple way of adding personal web pages for local users. This meant
that an URL ending with ~mc led directly to a subdirectory of user
mc’s home directory. Whatever they put in that directory was
immediately available on the Intertubes! Neat, huh?

We need to bring this back to the modern net! Many tilde pubnixe … ⌘ Read more

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Computers in school

Introduction

A version of this post was initially published on 2022-05-23
(Pungenday, the 70 day of Discord in the YOLD 3188) in my gemlog at:

gemini://gem.hack.org/log/computers-in-school.gmi

The text has been edited after speaking with some old school mates and
trying to remember more. I also added a few photos.

The beginning

When I started upper secondary school as a sixteen year-old in 1988 my
school had what I think were IBM PC/XT computers, one classroom of
16(?) computers with co … ⌘ Read more

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In-reply-to » I guess mentions with .(s) / dot(s) like @eapl.me are valid? 🤔 Or nicks even? 🤔

on timeline the mention looks OK. Is there an issue on Yarn?

It’s an interesting topic. For example on Bsky it’s natural to allow domains https://bsky.social/about/blog/4-28-2023-domain-handle-tutorial

Although TwiXter only allows (letters A-Z, numbers 0-9 and of underscores)
https://help.x.com/en/managing-your-account/x-username-rules

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Regex Isn’t Hard - Tim Kellogg 👈 this is a pretty good conscience article on regexes, and I agree, regex isn’t that hard™ – However I think I can make the TL;DR even shorter 😅

Regex core subset (portable across languages):

Character sets
• a matches “a”
• [a-z] any lowercase
• [a-zA-Z0-9] alphanumeric
• [^ab] any char but a or b

Repetition (applies to the preceding atom)
• ? zero or one
• * zero or more
• + one or more

Groups
• (ab)+ matches “ab”, “abab”, …
• Capture for extract/substitute via $1 or \1

Operators
• foo|bar = foo or bar
• ^ start anchor
• $ end anchor

Ignore non‑portable shortcuts: \w, ., {n}, *?, lookarounds.

#regex101

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In-reply-to » 💡 I had this crazy idea (or is it?) last night while thinking about Twtxt and Yarn.social 😅 There are two things I think that could be really useful additions to the yarnd UI/UX experience (for those that use it) and as "client" features (not spec changes). The two ideas are quite simple:

All these remind me of the “blog” ability once existed in Yarnd. I hate to be the party pooper, but little to non interest from me. LOL. I am up to increase the length of a twtxt, though. It is rather limiting right now.

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In-reply-to » AI isn’t a shortcut for thinking. In her guide for skeptics, Hilary Gridley reframes AI as a collaborator—not a replacement. Use it like spellcheck for your thoughts. Don’t fear it—iterate with it. Insight improves, speed follows. Full post: https://hils.substack.com/p/the-ai-skeptics-guide-to-ai-collaboration

@prologic@twtxt.net Since you have to check and double check everything it spits out (without providing sources), I don’t find any of this helpful. It’s like someone’s in the room with you and that person is saying random stuff that might or might not be correct. At best, it might spark some new idea in your head and then you follow that idea the traditional way.

Information published on the internet (or anywhere, for that matter) was never guaranteed to be correct. But at least you had a “frame of reference”: “Ah, I read this information about Linux on a blog that usually posts about Windows, so this one single Linux post might not necessarily be correct.” That is completely lost with LLMs. It’s literally all mushed together. 🤷

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Tor Browser 14.5 released
Version\
14.5 of the Tor\
Browser has been released. Notable features in this release
include the addition of Connection Assist for the Android version of
the Tor Browser, and language support for Belarusian, Bulgarian, and
Portuguese for all versions of the browser.

Should Tor Browser fail to establish a direct connection to the Tor
network, Connection Assist will offer to find and try bridges for
y … ⌘ Read more

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Catanzaro: Dangerous arbitrary file read vulnerability in Yelp
GNOME contributor Michael Catanzaro has written a blog\
post about a noteworthy vulnerability in GNOME’s help browser, Yelp.

I don’t normally blog about particular CVEs, but Yelp CVE-2025-3155 is
noteworthy because it is quite severe, public for several weeks now,
and not yet fixed upstream. In short, help files can rea … ⌘ Read more

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When to choose GitHub-Hosted runners or self-hosted runners with GitHub Actions
Comparing GitHub-hosted vs self-hosted runners for your CI/CD workflows? This deep dive explores important factors to consider when making this critical infrastructure decision for your development team.

The post [When to choose GitHub-Hosted runners or self-hosted runners with GitHub Actions](https://github.blog/enterprise-software/ci-cd/when-to-choose-github-ho … ⌘ Read more

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Hardening the Firefox frontend
Tom Schuster, Frederik Braun, and Christoph Kerschbaumer have
published an article
on the Firefox Security team’s Attack & Defense
blog that explains recent work to harden Firefox’s frontend code.

We have rewritten over 600 JavaScript event handlers to mitigate XSS
and other injection attacks in the main Firefox user interface. This
mitigation will ship in … ⌘ Read more

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oh out of boredom yesterday i made my blog available via markdown files too so you can use charmbracelet/glow to read them in your terminal :)

basically i just set up a file directory on a path of my blog, organized the MD files by year, and so in theory you can navigate to that path and choose a folder, then copy a link to a markdown post and run this:

glow -p https://bubblegum.girlonthemoon.xyz/md/2025/2025-03-31%20premature%20reflections%20on%20sudden%20responsibility.md

and then as long as you have glow installed, you can read my posts from the terminal :D it’s so cool

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Found means fixed: Reduce security debt at scale with GitHub security campaigns
Starting today, security campaigns are generally available for all GitHub Advanced Security and GitHub Code Security customers—helping organizations take control of their security debt and manage risk by unlocking collaboration between developers and security teams.

The post [Found means fixed: Reduce security debt at scale with GitHub security campaigns](http … ⌘ Read more

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In-reply-to » I am not interested at all. If I want to interact/socialise/whatever on the Fediverse (which I do), I simply use it. I would like to keep twtxt separate.

Adding to this, we already tried. It didn’t go too well. Slightly related—because it is a third party “integration”—I might be a “smaller group” member, but I don’t care much about one-way feeds (mostly RSS from blogs, news articles, etc.) either.

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FOSDEM 2025
I recently attended the large Free and Open Source Software conference
FOSDEM 2025 in Brussels, Belgium. I went there by train, of course,
via Copenhagen, Hamburg, and Cologne. The same route back.

Image

Figure 1: Kölner Dom in rain.

I lived in the rather expensive, allegedly fancy hotel Le Châtelain in
Brussels. It was really not that fancy, but they had a … ⌘ Read more

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Vibe coding with GitHub Copilot: Agent mode and MCP support rolling out to all VS Code users
In celebration of MSFT’s 50th anniversary, we’re rolling out Agent Mode with MCP support to all VS code users. We are also announcing the new GitHub Copilot Pro+ plan w/ premium requests, the general availability of models from Anthropic, Google, and OpenAI, next edit suggestions for code completions & the Copilot code review agent.

The post [Vibe coding with GitHub Copilot: Agent mode and MC … ⌘ Read more

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GitHub found 39M secret leaks in 2024. Here’s what we’re doing to help
Every minute, GitHub blocks several secrets with push protection—but secret leaks still remain one of the most common causes of security incidents. Learn how GitHub is making it easier to protect yourself from exposed secrets, including today’s launches of standalone Secret Protection, org-wide scanning, and better access for teams of all sizes.

The post [GitHub found 39M secret leaks in 2024. H … ⌘ Read more

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Edmundson: a modern Plasma Login Manager
KDE contributor David Edmundson has published
a blog post about improving KDE Plasma’s login experience by
replacing SDDM
with a new Plasma Login Manager.

It’s worth stressing nothing is official or set in stone yet,
whilst it has come up in previous Plasma online meetings and in the
2023 Akademy. I’m posting this whilst starting a more o … ⌘ Read more

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Rust adopting Ferrocene Language Specification
One recurring criticism of Rust has been that the language has no official specification. This is a barrier to adoption in some safety-conscious organizations, as well as to writing alternate language implementations. Now, the Rust project has
announced
that it will be adopting the
Ferrocene Language Specification (FLS) developed by
Ferrous Systems and maintaining … ⌘ Read more

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In-reply-to » @bender I taught the whole ecosystem 😁 @prologic @eapl.me The question I was asked the most was: How do I discover people? Someone came up with a fantastic idea, instead of adding the new twt at the end of the feed, do it at the beginning. So you can paginate by cutting the request every few lines.

Twtxt was made for nerds, by nerds.
I’d like to change that. It’s by nerds/hackers, for nerds/hackers and friends of these. It doesn’t have to be hacky all the time, as you don’t need to be a nerd to have a blog.
But, for that to happen, someone has to build the tools to improve UX.

by design there really is no way to easily discovers others
Yeah, I agree, and although there are directories of email addresses, usually you don’t want that, unless you are a ‘public figure’.
I couldn’t say that a microblogging is a “social network” by default, as a blog is not either. At the same time, people would expect to find new people and conversations, as you’d do in a forum.

I think of two features on top of the current spec:

  • Clients showing a few posts of what your following are watching but you don’t, so perhaps you find something interesting to follow next. Or that feature of “Your ‘followings’ are following these accounts/people”. (Hard to explain in english, but I hope you get the idea)
  • Sharing your .txt into some directory, saying “Hey, I have this twtxt URL, I want to be discovered”. I’m thinking of something like the Federated tab on Mastodon.

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In-reply-to » Wow, phishing is just around the corner 👀

2 is a great idea, you should suggest it in that blog post.

About 1, well, I think anyone has an email address and only about 5% use a Feed, so it makes sense to offer what most people use 🤔

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In-reply-to » Wow, phishing is just around the corner 👀

@eapl.me@eapl.me Interesting! Two points stood right out to me:

  1. Why the hell are e-mail newsletters considered a valid option in the first place? Just offer an Atom feed and be done with it! Especially for a blog of this very type. This doesn’t even involve a third party service. Although, in addition he also links to Feedburner, what the fuck!? No e-mail address or the like is needed and subject to being disclosed.

  2. When these spam mailers want to prevent resubscribing, then for fuck’s sake, why don’t they use a hash of the e-mail address (I saw that in yarnd) for that purpose? Storing the e-mail address in clear text after unsubscribing is illegal in my book.

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Software Engineer Runs Generative AI on 20-Year-Old PowerBook G4
In a blog post this week, software engineer Andrew Rossignol (my brother!) detailed how he managed to run generative AI on an old PowerBook G4.

Image

While hardware requirements for large language models (LLMs) are typically high, this particular PowerBook G4 model from 2005 is equ … ⌘ Read more

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[$] OSI election ends with unsatisfying results
The Open Source Initiative
(OSI) has announced
the results of its recent board of directors election. Ruth Suehle and
McCoy Smith are new to the board, while Carlo Piana will serve another
term. The results, however, seem tainted in the eyes of some
participants and observers. The election has been plagued by missteps
from the beginning and has culminated with the exclusion of three
candi … ⌘ Read more

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Julien Malka proposes method for detecting XZ-like backdoors
Julien Malka has
called for the NixOS project to use build-reproducibility to detect when a program has a maintainer-generated tarball that results in a different artifact than building from source. There are good reasons for projects to release maintainer-generated tarballs, but since the materials included in them are usually documentation, extra build scripts, and so on, it makes sense to check that they don’t … ⌘ Read more

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In-reply-to » My twtxt feed is now also available at gemini://roccodrom.de/twtxt.txt

well, I assume by syntax you mean Gemtext (which I like a lot, my personal blog is built on top of it), so I think it might work for twtxt clients…

I knew of twtxt in Gemini Antenna, so at least the 2017 spec might work on that protocol. I think the main issue with extensions is that they weren’t designed with many URLs and protocols in mind.

Also I have to admit that the Gemini community significantly reduced in the last few years. I don’t know how worth it is to add support for Gemini now.

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Sign in as anyone: Bypassing SAML SSO authentication with parser differentials
Critical authentication bypass vulnerabilities (CVE-2025-25291 + CVE-2025-25292) were discovered in ruby-saml up to version 1.17.0. In this blog post, we’ll shed light on how these vulnerabilities that rely on a parser differential were uncovered.

The post [Sign in as anyone: Bypassing SAML SSO authentication with parser differentials](https://github.blog/security/sign-in-as-anyone- … ⌘ Read more

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In-reply-to » twtxt is a decentralised, minimalist microblogging service for hackers.

well (insert stubborn emoji here) 😛, word blog comes from weblog, and microblogging could derivate from ‘smaller weblog’. https://www.wikiwand.com/en/articles/Microblogging

I’d differentiate it from sharing status updates as it was done with ‘finger’ or even a BBS. For example, being able to reply; create new threads and sharing them on a URL is something we could expect from ‘Twitter’, the most popular microbloging model (citation needed)

I like to discuss it, since conversations usually are improved if we sync on what we understand for the same words.

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Datalagring, igen!
Some of my usual readers will have to excuse me. This post will be in
Swedish. It’s about proposed Swedish legislation for forcing someone
who offers a message system to the public to cooperate with the law.

— — —

Ändring
  • Första version: 2025-03-10 07:55
  • Ändrad: 2025-03-12 18:01 +0100: Listan i “En bugg?” hade automatiskt
    numrerats av blogverktyget och HTML så poängen försvann. Nu citerad
    mer korrekt där det framgår att “1.” är borttagen.
Inledning

Nytt lagförslag: Även chatsystem ska va … ⌘ Read more

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In-reply-to » twtxt is a decentralised, minimalist microblogging service for hackers.

I’d need to think about it deeply, but at a first sight, nanoblogging would be a simple text (like the original twtxt spec, aimed for TUIs), and microblogging (like Twitter was a few years ago), would be about sharing texts, images, videos, GIFs, links, and perhaps Markdown styling.

Why? You have shorter messages than in a blog, but you may add almost anything you could do in a blog.
Buuut… who knows?

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Datalagring, igen!
Some of my usual readers will have to excuse me. This post will be in
Swedish. It’s about proposed Swedish legislation for forcing someone
who offers a message system to the public to cooperate with the law.

— — —

Inledning

Nytt lagförslag: Även chatsystem ska vara “anpassningsskyldiga” för
hemlig avlyssning och hemlig övervakning!

Det är väl ingen överraskning bland mina läsare vad jag tycker om det.
Går förslaget igenom gör vi det mer komplicerat för vanliga användare
att meddela sig med varan … ⌘ Read more

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