Xshell secret key

In the Xshell client, select the new user Key Generation Wizard in the tool's options

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The secret key to the default is the type of RSA, the key length of the default is 2048, the longer the more difficult to crack. In general, 2048 is enough.

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Generate Public key

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This way to fill in the key name can be filled out, enter the user secret key password

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This is the generated public key.

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Save the public key file to the specified file directory in case you forget it later.

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To the CentOS terminal, configure the following:

Mkdir/root/.ssh

chmod 700/root/.ssh/

Vim/root/.ssh/authorized_keys This file didn't need to be written by itself .

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Open a new configuration key pair

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Select the relative Host Selection property

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Select the appropriate method, user key, and password for the user identity authentication.

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Reconnect will be able to log in, do not need to enter the user name and password

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This article from "Huazi" blog, declined reprint!

Xshell secret key