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This article is about how to use the ssh-keyscan command in Linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The Linux common command ssh-keyscan command is a tool that collects a large number of host public keys.

A tool for using ssh-keyscan to collect host public keys

Syntax ssh-keyscan (options) (parameters) option-4: force the use of IPv4 addresses;-6: force the use of IPv6 addresses;-f: read "address list / name list" from the specified file;-p: specify the port to connect to the remote host;-T: specify the timeout of connection attempts;-t: specify the type of key to be created;-v: information mode, print debugging information. Parameter host list: specifies the list of hosts to collect the public key.

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