Many Git servers authenticate using SSH public keys. In order to provide a public key, each user in OS system must generate one if they don’t already have one.

# Lists the files in your .ssh directory, if they exist
$ ls -al ~/.ssh

If you don’t have an existing public and private key pair, or don’t wish to use any that are available to connect to GitHub, then generate a new SSH key.

$ ssh-keygen -o

Display the content of your public keys:

$ cat ~/.ssh/id_rsa.pub

Have fun!

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