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20 lines
569 B
Markdown
20 lines
569 B
Markdown
# ssh-keyscan
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> Get the public SSH keys of remote hosts.
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> More information: <https://man.openbsd.org/ssh-keyscan>.
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- Retrieve all public SSH keys of a remote host:
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`ssh-keyscan {{hostname}}`
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- Retrieve all public SSH keys of a remote host listening on a specific port:
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`ssh-keyscan -p {{port}} {{hostname}}`
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- Retrieve certain types of public SSH keys of a remote host:
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`ssh-keyscan -t {{rsa,dsa,ecdsa,ed25519}} {{hostname}}`
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- Manually update the SSH known_hosts file with the fingerprint of a given host:
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`ssh-keyscan -H {{hostname}} >> ~/.ssh/known_hosts`
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