1) To begin, you will need to log into your cPanel(https://Your server IP address:2087).
2) Click the SSH Access icon under the Security section.
3) Click the Manage SSH Keys button.
4)Choose either the Generate a New Key or Import Key button.
If you choose to click the Generate a New Key, enter all the needed information.
Click the Generate Key button..
If you choose to click the Import Key, enter all the needed information,
Click the Import button.