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This article mainly introduces how to use the ssh-keyscan command in Linux. It is very detailed and has a certain reference value. Friends who are interested must finish it!

The Linux common command ssh-keyscan command is a utility that collects a large number of host public keys. Its purpose is to create and validate "ssh_known_hosts" files.

Command Overview the ssh-keyscan command is a utility for collecting a large number of host public keys. Its purpose is to create and validate "ssh_known_hosts" files.

Command format: ssh-keyscan [options] [parameters] Common option-4 Force use of IPv4 address-6 Force use of IPv6 address-f read "address list, name list" from the specified file pair-p specifies the port to connect to the remote host-T specifies the timeout of the connection attempt-t specifies the key type to be created-v information mode Print debugging information reference example shows the RSA host key of host 192.168.12.101

[root@localhost ~] # ssh-keyscan 192.168.12.101 collects the host ssh public key and outputs debugging information

[root@localhost ~] # ssh-keyscan-v 192.168.12.101 shows the rsa host key of host 192.168.12.101

[root@localhost] # ssh-keyscan-t rsa 192.168.12.101 is all the contents of this article entitled "how to use ssh-keyscan commands in Linux". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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