What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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최 교수는 "지금 호르무즈에는 자해(자폭) 드론이, 미사일이 날아다닌다"며, "파견 부대원의 안전이 담보돼야 하는 문제"라고 말했다. 또, "우리 병력이 파견됐을 때, 거기서 움직이지 못하는 한국 배 26척을 이동시킬 수 있는가도 따져볼 필요가 있다"고 설명했다. 수정 2026-03-16 18:38

"호르무즈 파병, 병사안전 담보 필요…일단 관...

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Today @kopperkopper :colon_three: shared a post on the fediverse titled how to not regret c2s, and I found it genuinely interesting to read, even if I'm not sure its proposed architecture actually solves what it sets out to solve.

The author's frustration with naïve implementations is well-founded. Slapping an facade onto an existing Mastodon-like server and calling it C2S doesn't buy you much—you end up with the rigidity of a bespoke API without any of the interoperability C2S is supposed to offer. The “JSON-LD flavored Mastodon API” framing is apt.

The proposed solution is to split responsibility more aggressively: the C2S server should be nearly stateless and dumb, storing ActivityPub objects without interpreting them, while a separate “client” layer handles indexing, timelines, moderation, and exposes its own API to the frontend running on the user's device. It's a clean separation of concerns on paper.

But here's what bothers me. When you map this architecture onto familiar terms, it looks roughly like this:

  • C2S server ≈ a database (PostgreSQL, say)
  • “Client” ≈ an application server (Mastodon, Misskey)
  • “Frontend” ≈ the actual client app on your phone

That's not a new architecture. That's just the current architecture with the labels shifted. The interesting question is which interface gets standardized, and the author's answer is the one between the C2S server and the “client” layer—the bottom boundary.

The problem is that what people actually want from C2S is to connect any frontend to any server. The portability they're after lives at the top boundary, between the frontend and whatever is behind it. But the author explicitly argues against standardizing that layer: “we don't really need a standardized api,” they write, leaving each client free to expose whatever API it likes.

Which means frontends remain locked to specific clients, just as Mastodon apps are locked to the Mastodon API today. The interoperability promise of C2S—log in to any server with any app—isn't actually delivered. It's been pushed one layer down, out of reach of the end user.

There's real value in the post's thinking about data hosting vs. interpretation, and about the security implications of servers that understand too much. But as an answer to the question C2S is supposed to answer, I'm not convinced.

@hongminhee洪 民憙 (Hong Minhee) :nonbinary: > Slapping an facade onto an existing Mastodon-like server and calling it C2S doesn't buy you much ...

The benefit of having a C2S adapter for Mastodon is that it provides a large user pool that could motivate developers to create C2S UIs rather than only supporting the Mastodon API. Having more server-independent client implementations may motivate devs to build general C2S servers with advanced features and eventually disrupt the Mastodon dominance in the Fedi.

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Ich überlege ernsthaft, ob sich ein Zugticket von Freiburg nach Hamburg lohnt, weil ich unbedingt mehr von Hinnerk Köhn sehen will. Und die Ticketpreise für ihn sind mit ~15 Euro echt okay........

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Yesterday my VPS set off a warning, as it was hit by a huge spike in incoming traffic, peaking at 55GB at 2:15pm and lasting for an hour.

Upon investigating, it turns out it was my PeerTube instance that was targeted.

Where did the traffic come from?

meta-externalagent (aka Meta's web crawler which is used to grab content to train its AI system).

I feel a little bit violated thinking my Fediverse promo video was grabbed by it, sigh.

a screenshot of my VPS dashboard showing little traffic and then a huge spike at 14:15 local time showing 55 GB in incoming traffic
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Yesterday my VPS set off a warning, as it was hit by a huge spike in incoming traffic, peaking at 55GB at 2:15pm and lasting for an hour.

Upon investigating, it turns out it was my PeerTube instance that was targeted.

Where did the traffic come from?

meta-externalagent (aka Meta's web crawler which is used to grab content to train its AI system).

I feel a little bit violated thinking my Fediverse promo video was grabbed by it, sigh.

a screenshot of my VPS dashboard showing little traffic and then a huge spike at 14:15 local time showing 55 GB in incoming traffic
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It's just a Tuesday and I am once again struck by how I'm just using Linux now? After the slight hassle of setting it up (wow my brain does not like new things sometimes) after install with the help of a friend, I've just been using it? All my things, I'm doing them?

Everything works, there's barely been any problems and none that a rolling back to earlier snapshot didn't fix, and I've even now used a video editing software after years of not doing that? It's nice.

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In the context of the @DigitalCoupDigital Coup or Tech Coup and , can we find an answer in ? Something that goes beyond mere free/libre open source software, and combines and . Communities who govern their shared resources, and commit to shared responsibility.

I wrote an article about it, tracing the intellectual origins of the term "democratic technology", connecting to various intersectional critiques of the currently dominant model of surveillance capitalism from feminist, ecosocial perspectives.

Here's the article: freeknowledge.eu/democratic-te

Illustration titled "Democratic Tech" with 5 postits with the words:
1) Shared and free knowledge
2) Community care
3) Decentralised co-production
4) Communal self-governance, and, 
5) Communication as equals (in the centre)
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4년 전인 2022년, 경기도 31개 시·군 중 22곳을 휩쓸었던 국민의힘 소속 기초단체장들이 ‘탄핵당한 전직 내란 대통령’의 그림자를 지우기 위해 안간힘을 쏟는 모양새입니다. 반면 더불어민주당 후보들은 70%대에 육박하는 이재명 정부의 고공 지지율을 등에 업고 ‘이재명 마케팅’에 나서 대조를 이룹니다.

‘윤석열 마케팅’의 부메랑…국힘 기초단체장들 ‘탄핵 그...

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수요일인 18일 전국에 오후까지 비가 내리겠다. 남부지방은 비에 미세먼지가 씻겨 내려가면서 대기질이 '보통' 수준으로 회복될 전망이다. 수정 2026-03-17 17:27

수요일 전국에 오후까지 비…중부는 미세먼지 '...

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The next batch of Jolla Phone is now available with the adjusted memory pricing.

The previous limited batch went fast! The demand from this community has been genuinely humbling ❤️ At the same time, the smartphone market faces utmost challenges with the memory component prices rocketing sky high.

The next batch of the Jolla Phone ships with 8 GB RAM / 128 GB storage. If you want more, add the Memory Upgrade to your cart: 12 GB RAM and 256 GB storage for an additional 100€.

Limited batch. 2 000 units. End of September 2026 delivery.

99€ down payment to reserve your place.

jolla.com/phone

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