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Transferring Files to/from the SSCC

From Your Computer

Install Cyberduck to transfer files between your computer and the SSCC. Mac and Windows clients are available for downloading from the Cyberduck site.

The Cyberduck Help wiki provides basic usage instructions and feature lists, and should be reviewed before using it for the first time.

Be sure to establish a VPN connection from off campus before connecting to the SSCC.

If you forget to connect with VPN, attempts to connect will time out because they will not be able to penetrate the firewall.

To configure Cyberduck connections to the SSCC:

  1. Start or Run Cyberduck, and then
  2. Click Open Connection in the upper left of the Cyberduck window.
  3. At the top of the Open Connection window that appears, Select SFTP (SSH File Transfer Protocol) from the drop-down menu.
  4. Enter a Server specification for Cyberduck, choosing a Bold specification from the following list:
    1. hardin.it.northwestern.edu
    2. seldon.it.northwestern.edu
    3. dornick.it.northwestern.edu (for SPS users)
    4. mule2.ipr.northwestern.edu  (for authorized IPR users)
    5. quest.it.northwestern.edu (for Quest users. Quest is a different NU research cluster)
  5. Enter your NetID in the Username: box and leave the Password: box empty to prevent your NetID password from being saved in a file on your personal computer. Public Key Authentication is not supported.
  6. Click Connect. You will see a Login failed window.
  7. Enter your NetID password in the Password: field.
  8. Click Login.

Note: The first time you connect to a server, Cyberduck will display a warning such as "Unknown fingerprint" Check Always and Click Allow.

A window will open showing the files in your home directory on the remote SSCC server.

You can drag and drop files between the Cyberduck window and the folders on your Mac or PC to transfer files. You can also Select a file or folder in the Cyberduck window, and then, on a Mac CTRL-click, or on a PC Right-click, to get a pop-up menu of available actions.

In the Cyberduck window, Double-click a folder to open it, or use the navigation buttons just above the file list to change directories.

Click the Refresh button to update the file list to reflect changes made during the Cyberduck session. If files are being created on other nodes, it may take a few seconds for those files to appear in a refreshed listing. You may have to change your directory and then return to your original directory to force the refresh to work. (Your files are stored in a remote NFS cluster, and changes have to go to that NFS cluster and back to your login node to be seen.)

See the Cyberduck Quick Reference Guide for more information.

Cyberduck will save your connection as a Bookmark so that you need not enter configuration information again. Use your bookmarks for subsequent connections.


From Other ftp/web Servers

You can download datasets directly to the SSCC from external ftp and web servers.

wget is a command that can download files both from ftp and web servers, for example:

[abc123@seldon abc123]$ wget http://www.nber.org/nberces/bbg96_87.dta
[abc123@seldon abc123]$ wget ftp://bls.gov/pub/doc/ap.txt

With additional options wget can also download whole directories of files recursively and download from password-protected servers. Type in man wget at the prompt to get a full list of options.

Firefox is a standard graphical web browser. To start the browser, Enter firefox & in the SSCC terminal window. You can browse web pages and download files directly to your home directory on the SSCC. There is no need to first transfer files to your PC, and then to the SSCC.

Firefox web browser opened by the firefox & command.

Last Updated: 24 January 2017

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