#!/bin/bash # connect 500 instances to display :0 for i in {1..500} do echo $i echo "Displaying Some shit" DISPLAY=:0 screen -d -m /home/phantomjs/bin/phantomjs loader.js http://10.0.0.55:9001/p/pad2 && sleep 2 done # connect 500 instances to display :1 for i in {1..500} do echo $i DISPLAY=:1 screen -d -m /home/phantomjs/bin/phantomjs loader.js http://10.0.0.55:9001/p/pad2 && sleep 2 done