Reference: How to set up SSH keys https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-2 https://smallstep.com/blog/ssh-agent-explained/ https://www.freecodecamp.org/news/the-ultimate-guide-to-ssh-setting-up-ssh-keys/ https://linuxize.com/post/how-to-use-nano-text-editor/