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Displaying Windows on Alternate Workstations

You can invoke a graphical utility or application on a remote networked workstation and direct the window and all input and output to your own local workstation if you desire. This is very convenient when you wish to perform maintenance on remote workstations from your own desk. The program you invoke will run on the remote workstation and the window will be displayed on the specified display workstation.

First, use rsh(1), rlogin(1), or telnet(1) to log in to the remote workstation with whatever privilege level is required to perform the maintenance on that system. In some cases, this may be as simple as the guest account, or you may have your own user account on the system, or you may require root permission. Choose the level of access appropriate to your task. Then, issue the command:

setenv DISPLAY local_workstation:0

The name of the workstation where the window is to be displayed is substituted for local_workstation. The name of the local workstation must be found in the /etc/hosts file of the remote system, where the program is actually running.

Next, invoke the desired utility or application on the remote system and the window will display on your local workstation. All input and output will be handled through your local workstation. Remember that due to restrictions of network carrying capacity, response time in the program may be slower (in some cases, much slower) than usual.

When you are finished, exit the display program normally. You must also reset the display on the remote station, or all susequent window applications will continue to appear on the local workstation. On the remote system, use the command

setenv DISPLAY :0

to reset the display back to the remote system monitor.


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