Login to your Digital Ocean droplet and generate an SSH key:
ssh-keygen -t ed25519 -C "sajadtorkamani1@gmail.com"
Start ssh-agent:
eval "$(ssh-agent -s)"
Add SSH key to the ssh-agent:
ssh-add ~/.ssh/id_ed25519
Copy your SSH public key to your clipboard:
cat ~/.ssh/id_ed25519.pub
Add the SSH public key to your account on GitHub. For more information, see “Adding a new SSH key to your GitHub account.”
