You can sync data received by EUMETCast Terrestrial client to object storage with following steps: 

1. Setup s3cmd following Object storage: How to use s3cmd and s3fs
   
   
2. Create bucket with preferred name, e.g.
   

   s3cmd mb s3://eumetcast-example

3. Copy the .s3cfg to /etc
   

   sudo cp ~./s3cfg /etc/s3cfg

4. Modfiy crontab
   
   

   sudo crontab -e

   by adding following line (note that if you have modified the default location of the data, this have to be modified respectively):
   
   

   */1 * * * * s3cmd -c /etc/s3cfg sync /root/data/eumetcast/ter-1/default s3://eumetcast-example