Generate new SSH key gen (ssh-keygen and ssh-copy-id)

simple.md

Or the extra simple way...

ssh-keygen

ssh-copy-id username@your_server_ip

From: https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-16-04

Specify id:

ssh-copy-id -i ~/.ssh/gitlab_id_rsa spencer@greenhouse.nosmith.com

ssh.md

ssh-keygen -t rsa -C "your_email@example.com"