Install kde-service-menu-fuseiso by entering the following commands in the terminal:
sudo apt update sudo apt install kde-service-menu-fuseiso
Description:
Small set of service menu entries for KDE to access ISO images
Mount and unmount ISO images from Dolphin, Konqueror and other KDE file views.
Homepage: http://awen.dk/dist/kde-service-menu-fuseiso/
Version: 0.2-0ubuntu2
Section: universe/kde