ssh-keygen -t rsa -b 4096 -C "<mail_address>"
ssh-agent bash # starts the SSH agent in backgroud
ssh-add ~/.ssh/id_rsa # adds the key
ssh-copy-id <user>@<host> # if password access is allowed
ssh-copy-id -f "-o <keyair>.pem" <user>@<host> # if no password access is allowed