a1@a1:~$ hp-plugin HP Linux Imaging and Printing System (ver. 3.16.11) Plugin Download and Install Utility ver. 2.1 Copyright (c) 2001-15 HP Development Company, LP This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to distribute it under certain conditions. See COPYING file for more details. HP Linux Imaging and Printing System (ver. 3.16.11) Plugin Download and Install Utility ver. 2.1 Copyright (c) 2001-15 HP Development Company, LP This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to distribute it under certain conditions. See COPYING file for more details. warning: GUI Modules PyQt4 and PyQt5 are not installed error: hp-plugin requires GUI support (try running with --qt3). Try using interactive (-i) mode. a1@a1:~$