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The Library

What is actually happening in AI, and what it changes for a business the size of yours. Written to a standing brief, checked before it ships, and sourced so you can go verify it yourself. Search it, filter it, argue with it.

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Showing September 2026

1 article matching / latest 28 Sept 2026

A developer holds a modern RSA key, but a laptop cannot connect to an old server with rejected SSH-RSA settings.

Git Articles

GitHub is retiring a signature type, not your key

GitHub announced on 22 September that it is removing the ssh-rsa signature type and requiring larger RSA keys. Most people reading that will do the wrong work: generating new keys fixes nothing, and the thing that actually breaks is a machine somebody set up before November 2021 and never touched again.

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