CyberDuck is a swiss knife tool for various cloud storage providers. It supports FTP, SFTP, WebDAV, OpenStack, OneDrive, Google Drive, Dropbox, etc.

• Installation is simple and intuitive.

1. setup of new storage can be done via button New connection in the left menu
2. in the following window you can select Amazon S3 and then inster the URL of the server s3.clX.du.cesnet.cz. Then please insert the acces_key and secret_key. Then you can click on the Connection button.

1. bucket creation - in the main directory can be only directories (buckets)
2. bucket creation - keep default region

After starting Cyberduck you set everything as usual to access the S3 object storage, in addition "More Options" must be clicked

The name of the bucket is added to the "Path" field. Then just click on the "Connect" button.