The best of Hacker News - April 17, 2025

1.
TLS certificate lifetimes will officially reduce to 47 days

434 points

2.
Man who built ISP instead of paying Comcast expands to hundreds of homes (2022)

417 points

3.
OpenAI Codex CLI: Lightweight coding agent that runs in your terminal

402 points

4.
Darwin's children drew all over the “On the Origin of Species” manuscript (2014)

395 points

5.
12-factor Agents: Patterns of reliable LLM applications

324 points

6.
Zoom outage caused by accidental 'shutting down' of the zoom.us domain

311 points

7.
Jellyfin as a Spotify alternative

282 points

8.
Damn Vulnerable MCP Server

180 points

9.
Show HN: Plandex v2 – open source AI coding agent for large projects and tasks

129 points

10.
Demolishing the Fry's Electronics in Burbank

119 points

11.
How a Forgotten Battle Created a More Peaceful World

96 points

12.
Concurrency in Haskell: Fast, Simple, Correct

74 points

13.
Query Engines: Push vs. Pull (2021)

72 points

14.
Unix files have (at least) two sizes

57 points

15.
"Vivarium": The keeper of a lab's animals stumbles onto a secret [fiction]

40 points

16.
GPT o3 frequently fabricates actions, then elaborately justifies these actions

24 points

17.
Passing planes and other whoosh sounds

21 points

18.
Library patterns: Why frameworks are evil

18 points

19.
How refrigeration changed our food

15 points

20.
Adipose tissue retains an epigenetic memory of obesity after weight loss

13 points

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