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#postmortem

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The excellent post-mortem of the City of Helsinki data breach (summary at turvallisuustutkinta.fi/en/ind, link to the full report at the bottom) says one thing I'm suspicious of. See screenshots below.
Problem: FileZilla server supports on-the-fly encryption, and 70% is a typical compression ratio for a heterogeneous data stream. To me, it seems possible (perhaps even likely) that the attacker downloaded _all_ the data with compression, not just 30% of it.
#infosec #breach #PostMortem #Helsinki #KASKO

Why, oh why, did somebody decide the world needed another tome on BEAM? 📚 Apparently, postmortems and coffee-fueled curiosity were just too irresistible to avoid inflicting this masterpiece upon us. ☕💀 It's like the "War and Peace" of #Erlang, but with less peace and more pretentiousness. 🙄
happihacking.com/blog/posts/20 #BEAM #CoffeeBooks #Postmortem #TechHumor #HackerNews #ngated

happihacking.comWhy I Wrote the BEAM BookThe story behind writing The BEAM Book-ten years, three publishers, and an open‑source sprint.

This is an excellently written postmortem from fly.io:

"You’re reading a 3,000 word blog post about a single concurrency bug, so my guess is you’re the kind of person who compulsively wants to understand how everything works. That’s fine, but a word of advice: there are things where, if you find yourself learning about them in detail, something has gone wrong."

fly.io/blog/parking-lot-ffffff

Flyparking_lot: ffffffffffffffff...Gnarliest Rust proxy bug yet.

Alright I'd like to get my first ever post on Mastodon going by talking about our latest game, Ballet of Steel, made over the course of 10 days for Bullet Hell Jam 5. I made all the music, over 16 minutes in total, and worked together with Slascoplerd on SFX.
The following thread is a #postmortem from my POV as the composer, and I will also be going over our attempt to remake the game in #godotengine and realise the game's original vision...
#gamedev

Какие сервисы мы потеряем в 2024 году.

#it #postmortem

Ещё одна облегчённая версия, которую выбрасывают на обочину — это базовое HTML-представление Gmail, которое позволяет пользователям с медленным соединением или устаревшими браузерами просматривать и отправлять электронные письма без необходимости предварительной загрузки полной версии Gmail. Однако эта опция исчезнет в январе 2024 года, после чего Gmail автоматически перейдёт на стандартный вид.

Так что стелите соломку, дамы и господа. Пока ещё не поздно.

В статье много чего перечислено из внезапно представившихся.

Целое кладбище.

habr.com/ru/companies/mvideo/a

#PostMortem of a recent outage after a major deployment during which we also switched servers. everything looked fine. suddenly roughly half of the responses were 502’s. the big deployment switched from CSVs to SQLite for our rule based AI. so we were sure there was some scalability issue. we switched from sqlite3 to aiosqlite. no change. turns out I had left a DNS entry on the old setup hosted in the same region. so half request went there. the 502’s turned up as we shut that project down.