To add a SSH key to a user profile:
- Go to your Control Panel's Users and Groups menu.
- Click the Edit icon next to the required user.
- Click the SSH Key button.
- On the pop-up screen you can add a new key, and edit/delete a key.
The SSH key will be automatically assigned to all VSs the user creates.
To assign keys to existing VSs, go to the VS Overview -> Properties menu.