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Logging into ORCA Computers via Secure Shell

PLEASE NOTE: FOR SECURITY REASONS, YOU CAN LOG INTO ORCA RESOURCES VIA SECURE SHELL ONLY.

Windows

DOWNLOADING AND INSTALLING PUTTY

  1. Point your browser to the PuTTY download page: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
  2. On the "PuTTY Download Page," in the section titled "Binaries," under "For Windows on Intel x86," right click on the first link putty.exe, and from the menu select "Save Link As" (or something similar).
  3. Save putty.exe to your Windows desktop. The icon will look like two little PCs and a yellow lightning bolt.

RUNNING PUTTY TO LOG IN TO AN ORCA COMPUTER

  1. Double click on the PuTTY icon. This will pop up a window titled PuTTY Configuration
  2. On the left side of the PuTTY Configuration window, go to Terminal > Keyboard, and make the following changes:
    • Under Change the sequences set by:, change the value of The Backspace key to Control-H
    • UnderThe Function keys and keypad, select Xterm R6
  3. On the left side of the PuTTY Configuration window, click on Window. This will bring up a section titled Options controlling PuTTY's window. The first option is Set the size of the window. You may choose as many rows as you like (40 is recommended), but you should be sure to choose EXACTLY 80 columns.

     

    NEVER RESIZE THE PUTTY WINDOW USING THE MOUSE, AND NEVER CLICK THE MAXIMIZE BUTTON AT THE TOP RIGHT OF THE WINDOW.

  4. On the left side of the PuTTY Configuration window, go to Connection -> SSH -> X11. Under the section titled Options controlling SSH X11 forwarding, select Enable X11 forwarding.

    NOTE: X-Windows forwarding will work only if your Windows PC has some kind of X-Windows emulator (for example, Xming).

    If you don't have an X-Windows emulator on your Windows PC, then you don't need to do this.

  5. On the left side of the PuTTY Configuration window, click on Session. This will bring up a section titled Basic options for your PuTTY session. The following entries can be made in this section:
    • Under Host Name (or IP address), type the full name of the computer that you are logging into; for example: titan.orca.oru.edu.
    • Immediately below this is Connection type:. Select SSH
    • If you want to save this login information, then under the section titled Load, save or delete a stored session, type the name of the computer that you are logging into; for example: titan.orca.oru.edu, and click on Save.
  6. At the bottom right of the PuTTY Configuration window, click Open
  7. If a PuTTY Security Alert window pops up, click Yes
  8. When prompted to login as, type your username and press the Enter key.
  9. When prompted for your password, type your password and press the Enter key. NOTHING WILL APPEAR AS YOU TYPE YOUR PASSWORD. This is normal for Unix.

Mac OS X

Mac OS X comes with a built-in Unix Terminal window that can be used to SSH into ORCA systems. Follow the steps below to access ORCA systems using your Mac OS:

  1. Double click on your hard drive to open it.
  2. Double click on your Applications folder.
  3. Double click on your Utilies folder.
  4. Double click on Terminal.
  5. Once you get a Terminal window, you'll get a Unix prompt. At the Unix prompt, type: ssh yourusername@machinename
    In the case of ORCA, your machinename is: titan.orca.oru.edu
  6. You may be asked a yes/no question, in which case type: yes
  7. You'll then be prompted for your password. Type your password and press the Enter key.

Unix (including Linux)

Most Unix computers already have ssh installed, so you can just use it from the Unix command line, as described above for Mac OS X, starting from Step 5.

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