2. Configuring PuTTY

  1. To configure PuTTY, start the PuTTY program from the Desktop or the Start Menu.
  2. You will now see the following screen:
    PuTTY configuration screen
    Figure 8. PuTTY configuration screen
  3. In the box under Host Name (or IP Address) type linux.ox.ac.uk and then select the [SSH] option.
  4. So that you don't have to type in the name each time you want to connect, type a name, e.g. OUCS Linux Service, into the box below Saved Settings and click on Save to add this to the list of sessions.
    PuTTY saved settings
    Figure 9. Saved settings
  5. To connect to the Linux service, double-click on the [OUCS Linux Service] entry in the list of Saved Sessions (it should appear below the [Default Settings] entry.)
  6. The very first time that you connect, you will see a message entitled Warning - Potential Security Breach! telling you that the server's host key is not cached in the registry. Click on Yes to add the key to PuTTY's cache. You should not see this message again.
    PuTTY - Security Alert Screen
    Figure 10. Security warning screen
  7. You will now see a prompt login screen with a green cursor. To log into Linux type in your Oxford username and press <Return> or <Enter>.
    Login screen
    Figure 11. Username screen
  8. You will then be prompted for your password. Type your Oxford password and press <Return> or <Enter>.
    Password request
    Figure 12. Password screen
  9. Once logged into your Linux account, you will see various messages similar to those shown below:
    Login screen
    Figure 13. Screen showing news and information when you are logged in.
  10. To log in in the future, all you need to do is to start the PuTTY program and double-click on the [OUCS Linux Service] entry in the list of Saved Sessions, and then log in using your normal Oxford username and password.
  11. To transfer files, use either the PSFTP program (which can be started from the PuTTY group under the Start menu) or PSCP program (generally located in c:\program files\putty.) Note that these are both command line driven programs; if you prefer to use drag-and-drop to transfer files, consider obtaining the SSH Secure Shell client.
  12. To exit the program type Exit at the prompt.

2.1. Configure X11 Forwarding in PuTTY

If you need to configure PuTTY to open a remote server for graphical display work then: In the PuTTY configuration window, select [Connection] [SSH] [X11]" and make sure the [Enable X11 forwarding] box is checked, then return to the [Session] category and click [Open] when you are ready to connect to the specified machine.

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