Linux · SSH: Keys, Config & Hardening

You want to tighten the SSH server but keep editing the wrong file. Which file configures sshd, which one configures the client, and what feature does the Subsystem line control?

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More in SSH: Keys, Config & Hardening

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How do you run a single command on a remote host without opening an interactive shell, versus feeding a whole batch of commands to it non-interactively?

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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