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Cornell High Energy Synchrotron Source

Doc#: SOP-COMP-002

Procedure: Remote Access and File Transfer

Prepared by: ZB

Rev.: 1

Revision Date: 06/02/12

Date Effective:
06/02/12

Date Expires:
06/02/13

Approved by: ZB
Purpose
To establish remote access to a CHESS Linux terminal and transfer files.
Materials and Equipment Needed
  1. CHESS Private Network Control Computer (remote)
  2. CHESS Public Network Computer (local)
  3. SSH Client (Windows)
  4. SFTP Client (Windows)
Safety
  1. Safety Issues: none
Procedure
  1. Remote Access
    1. Windows:
      1. Double-click icon for ssh client to open (ex: SSH Secure Shell, putty).
      2. Click [Quick Connect] to open connection dialog. (Fig. 1)
      3. Type the hostname of the remote computer (ex: a1, ops1, roll) in Host Name entry box. (Fig. 2)
      4. Type the username in User Name box.
      5. Click [Connect] to connect to remote host username@remotehost.
      6. Enter password when prompted.
      7. Client terminal window is now an active terminal on the remote host.
      8. Click [Disconnect] when finished to close the connection.
    2. Linux:
      1. Open new terminal.
      2. Type <ssh username@remotehost.chess.cornell.edu>, where remotehost is the name of the remote computer (ex: a1, ops1, roll).
      3. New line in terminal window should now show the remote host information.
      4. Type <exit> when finished to close the connection.

  1. File Transfer
    1. Windows
      1. Double-click icon for ssh client to open (ex: SSH Secure File Transfer).
      2. Click [Quick Connect] to open connection dialog. (Fig. 3)
      3. Type the hostname of the remote computer (ex: a1, ops1, roll) in Host Name entry box. (Fig. 2)
      4. Type the username in User Name box.
      5. Click [Connect] to connect to remote host username@remotehost.
      6. Enter password when prompted.
      7. File Browser on left shows local directory. File Browser on right shows remote directory.
      8. Drag files between browsers to transfer files.
      9. Click [Disconnect] when finished to close the connection.
      10. New folders can be created on remote or local host by clicking the New Folder button located above respective File Browser.
      11. Directories can be refreshed by clicking the Refresh button.
      12. Return to the home directory by clicking the Home button.

    1. Linux
      1. Open a new terminal.
      2. Type <sftp username@remotehost.chess.cornell.edu>, where remotehost is the name of the remote computer (ex: a1, ops1, roll).
Text Box: WARNING: File transfer from command line does NOT prompt before overwriting files.
      1. Type <get remote_file local_file> to transfer a source file from the remote computer to the destination file on the local computer.
        1. remote/local_file can either be the file name in the working directory, or /path/filename if file is located outside of working directory.
        2. Type <pwd> to print working directory.
        3. Type <ls> to show which files are available in working directory.
      2. Type <put local_file remote_file> to transfer a source file from the local computer to the destination file on the remote computer.
        1. remote/local_file can either be the file name in the working directory, or /path/filename if file is located outside of working directory.
        2. Type <pwd> to print working directory.
        3. Type <ls> to show which files are available in working directory.
      3. NOTE: if second argument is left out of get/put commands, the file name will be the same.
      4. Type <exit> when finished to close the connection.
Figures
6c8a86a2be514ee2421fee80882e4f22.jpeg
Figure 1 – SSH Secure Shell window

f36454212017f6f346f0d2a248b30afe.jpeg
Figure 2 – Hostname/username Window


786f4f97cd7f237f279c6670fd3589d9.jpeg
Figure3 – SSH Secure File Transfer window (with Directory controls highlighted)

References
None.
Revision History
Rev. 1 – Initial document (06/02/12 - ZB)

-- LeeShelp - 21 Apr 2017
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Topic revision: r2 - 11 May 2017, ljs30
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