in reply to opening a window on another computer

This is not a Perl question (at least I don't think so). Since you are using Linux you will find that X Windows is your friend. Lets assume that you have the machines to run from and to display on, first allow the other machine to open windows on the one by issuing the following command (on

xhost +

Then launch the browser with:

iceweasel -display -new-window ''