2019-09-06 10:28:09 +01:00
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# ssh-keyscan
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2024-03-14 05:01:06 +00:00
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> Get the public SSH keys of remote hosts.
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2021-10-04 13:39:50 +01:00
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> More information: <https://man.openbsd.org/ssh-keyscan>.
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2019-09-06 10:28:09 +01:00
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2024-03-14 05:01:06 +00:00
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- Retrieve all public SSH keys of a remote host:
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2019-09-06 10:28:09 +01:00
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`ssh-keyscan {{host}}`
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2024-03-14 05:01:06 +00:00
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- Retrieve all public SSH keys of a remote host listening on a specific port:
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2019-09-06 10:28:09 +01:00
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`ssh-keyscan -p {{port}} {{host}}`
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2024-03-14 05:01:06 +00:00
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- Retrieve certain types of public SSH keys of a remote host:
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2019-09-06 10:28:09 +01:00
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2019-09-06 16:12:57 +01:00
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`ssh-keyscan -t {{rsa,dsa,ecdsa,ed25519}} {{host}}`
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2020-05-02 02:05:41 +01:00
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2024-03-14 05:01:06 +00:00
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- Manually update the SSH known_hosts file with the fingerprint of a given host:
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2020-05-02 02:05:41 +01:00
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`ssh-keyscan -H {{host}} >> ~/.ssh/known_hosts`
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