SSH:
autossh -M 0 -o "ServerAliveInterval 30" -o "ServerAliveCountMax 3" -i ~/.ssh/ec2-keypair-1 [email protected]
SSH tunnel:
autossh -M 0 -o "ServerAliveInterval 30" -o "ServerAliveCountMax 3" -i ~/.ssh/ec2-keypair-1 -NfL localhost:8889:localhost:3389 [email protected]