FileZilla can be downloaded here
- Host: sftp://public_address (like sftp://126.96.36.199)
- Username: elm
- Password: the EC2 instance ID that has the form of i-0c7fadc4dc193eca7
- Port: 2222
Selecting "Always trust this host, add this key to the cache" will avoid showing this message.
Once the server is connected, the directory share is used to exchange files.
On the server, the shared folder is /data/elm/share. The S3 bucket is mounted at /data/elm/share/s3.