S3cmd : Command Line S3 Client and Backup for Linux and Mac - https://s3tools.org/s3cmd
S3cmd has been tested and is certified for use with Filebase. To configure S3cmd, run through the following configuration steps:
$ s3cmd --configureEnter new values or accept defaults in brackets with Enter.Refer to user manual for detailed description of all options.Access key and Secret key are your identifiers for Amazon S3. Leave them empty for using the env variables.Access Key: ACCESS_KEY_GOES_HERESecret Key: SECRET_KEY_GOES_HEREDefault Region [US]: us-east-1Use "s3.amazonaws.com" for S3 Endpoint and not modify it to the target Amazon S3.S3 Endpoint [s3.amazonaws.com]: s3.filebase.comUse "%(bucket)s.s3.amazonaws.com" to the target Amazon S3. "%(bucket)s" and "%(location)s" vars can be usedif the target S3 system supports dns based buckets.DNS-style bucket+hostname:port template for accessing a bucket [%(bucket)s.s3.amazonaws.com]: %(bucket)s.s3.filebase.com