Linux · SSH: Keys, Config & Hardening

In the lock-and-key analogy for SSH key pairs, which half is the key and which is the lock, and what does that tell you about where each file may go?

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More in SSH: Keys, Config & Hardening

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For automating ssh across many fresh hosts, the first-connect trust prompt gets in the way. Which option skips it, and which config file do such client options belong in?

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