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_ssh-keys-How to use SSH keys for authentication.pdf
Login to server w private key
after public key stored on server,
then
run ssh with the private key for the user at the server address
ssh -i id_rsa jimmason@jim-macbook.local
https://docs.rackspace.com/support/how-to/logging-in-with-an-ssh-private-key-on-linuxmac
Key Concepts
Certificate Use Cases
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