How to migrate multiple SSH certificates to a different computer?

Question

How to migrate multiple SSH certificates to a different computer?

I have generated multiple SSH crtificates (key pairs) on computer A and copied the .ssh directory including

• the default key pair id_rsa and id_rsa.pub and
• the second pair id_rsa_1 and id_rsa_1.pub and
• the configuration file config

on my USB drive.

How to duplicate the same SSH setting on a different computer B?

Answer 1

Copy your .ssh directory to your homedir on computer B.

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All the files you listed are completely self-contained; they are not tied to any system property or additional configuration. id_rsa contains RSA parameters in a standard format, nothing more. config is a text file containing your settings which you yourself can edit. They can be copied between systems freely.