scp -i ~/.ssh/SSHKEYFILE FILENAME USER@SERVER:/home/USER/FILENAME
rsync -avzh -P ssh -i ~/.ssh/SSHKEYFILE FILENAME USER@SERVER:/home/USER/FILENAME
scp -i ~/.ssh/SSHKEYFILE FILENAME USER@SERVER:/home/USER/FILENAME
rsync -avzh -P ssh -i ~/.ssh/SSHKEYFILE FILENAME USER@SERVER:/home/USER/FILENAME