Actually, the server doesn't need to have an X server. Properly configured, an application running on a server can use an X server running on a desktop (or laptop) PC. (Has been many years since I last did this, but as best I can determine, it it still possible.)

In reply to Re^3: Best/Fast/Simple way to add a GUI to a batch process by RonW
in thread Best/Fast/Simple way to add a GUI to a batch process by vitoco

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