Prerequisites: Do look at Adding New Application to the Display Manager Portal for PBS-Pro

Step 1: Make sure the icon size are 32×32 image file

Step 2: Upload the icon image file to PBSworks Appicons site

# cp matlab.jpg /usr/local/pbsworks/pbsworks_install/exec/applications/dm/resources/en_US/modules/appicons/images/32X32/

Step 3: Edit the XML

# vim /usr/local/pbsworks/pbsworks_home/home/services/dm/config/dm-helper.xml

Step 3: Restart PBS Services

# service pbsworks restart