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26 lines
646 B
Plaintext
26 lines
646 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# 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 {{host}}`
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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}} {{host}}`
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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}} {{host}}`
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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 {{host}} >> ~/.ssh/known_hosts`
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