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How can I run X Windows?

X Windows is a protocol for displaying the graphical output of a program. Generally this is used to run a program on a remote server and have that program display it's output to a local monitor.

X Windows on Microsoft Windows

The Social Sciences Computing Services has licensed X-Win32. To get the software installed follow the instructions here. Once installed use the following steps to create a connection.
  • Step 1 - Start X-Config from the Start Menu under All Programs / X-Win32 8.2 / X-Config
    Screenshot of step 1

  • Step 2 - Click on the Wizard button in the dialog box.
    Screenshot of step 2

  • Step 3 - Enter the name with which you want to refer to this connection and click SSH then on the Next button in the dialog box.
    Screenshot of step 3

  • Step 4 - Enter the servername in the Host field (eg. athensx.uchicago.edu, ccpx.uchicago.edu, corinthx.uchicago.edu, rhodesx.uchicago.edu). Then click the Next button.
    Screenshot of step 4

  • Step 5 - Enter your SSCS Username into the Login field, if you are not the only person who uses your machine, or for added security do not enter your password here. Entering your password here will allow you to connect without supplying a password subsequently.
    Screenshot of step 5

  • Step 6 - Click Linux and then click Finish.
    Screenshot of step 6

  • Step 7 - Click on the connection you just created and then click on the Launch button.
    Screenshot of step 7

  • Step 8 - On the SSH-Host Key Verification window, click on Yes. Then click on X-Win32 License Wizard and drag it to somewhere visible.
    Screenshot of step 8

  • Step 9 - Choose Network(Floating) and click OK.
    Screenshot of step 9

  • Step 10 - Rearrange your windows so that X-Win32 License Wizard window is visible. Enter the license key you obtained when downloading the software into the box and click Next.
    Screenshot of step 10

  • Step 11 - Click Cancel for X-Win32 Update Tool.Then click Finish to finish the license update.
    Screenshot of step 11

  • Screenshot of step 11

  • Step 12 - Then you will need to cancel the connection and launch the connection again to get on the system.
    Screenshot of step 12

  • Step 13 - If you get a Windows Security Alert, click the Unblock button.
    Screenshot of step 12

Accessing servers from off-campus

If you are at an off-campus location and need access to the servers, you will first have to install and configure University VPN connection. Whenever you are off campus, you will need to connect with the VPN before starting X-Windows on the machine.

X Windows on Mac OS X

First download Apple's X11 from http://www.apple.com/macosx/x11/ and install X11.
Double-click on the X11 application.
X11
You will be presented with a command line in an xterm. You can type an SSH command to the server you would like to connect to. For example type ssh -X myusername@ccp.spc.uchicago.edu. You will be prompted for your password. To run a program just type the name of the program you want to use. You can type a & after the command to background the program and maintain a free command line. Common programs people use this way are matlab, sas, splus, spss and, xstata.
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