IONOS S3 Object Storage supports using Cyberduck, a Cloud Storage browser with SFTP, WebDAV, and S3 support for Windows, macOS, and Linux.

For the installation instructions, see Cyberduck.

Configuration steps

  1. Once inside Cyberduck, select Cyberduck > Preferences… from the menu.

  1. Select Profiles to open the Connection Profiles page.

  2. Select the IONOS Cloud Object Storage (Berlin) connection profile or IONOS Cloud Object Storage (Frankfurt), or IONOS Cloud Object Storage (Logrono) from the list of available connection profiles, or best use the search option to search for it.

  1. Close the Preferences window and restart Cyberduck to install the selected connection profiles.

  2. Open Cyberduck and select File > Open Connection… You will see the connection dialog.

  3. At the top, click the dropdown menu and select the IONOS Cloud Object Storage (Berlin) profile that corresponds with the data center you want to use.

  4. Enter key values in the Access Key and Secret Key fields.

To access the Object Storage keys:

  • Log in to the DCD, go to Menu > Storage > IONOS S3 Object Storage > Key management.

  • Choose "Generate a key" and confirm the action by clicking Generate. The object storage key will be generated automatically.

  1. Click Connect.

Sample usage

  • -c FILE, --config=FILE - Config file name. Defaults to $HOME/.s3cfg.

  • -e, --encrypt - Encrypt files before uploading to S3.

  • --upload-id=UPLOAD_ID - UploadId for Multipart Upload, in case you want to continue an existing upload (equivalent to --continue-put) and there are multiple partial uploads. Use s3cmd multipart [URI] to see what UploadIds are associated with the given URI.

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