These are the two parts of my query:
Is there a way to mount all USB storage/flash/removable storage devices as read-only i.e. set the default mount policy to read-only? Back in Windows OS, I could achieve write-protection for USB storage devices with some registry tweaks. How can I do that in Ubuntu?
Using dconf-editor I can control the automount, automount-open, autorun,... (schema: org.cinnamon.desktop.media-handling), but Nautilus will always allow the devices to be mounted in a single click ! I don't want that! So can I control mount options that appear in nautilus under the Devices menu of sidebar? Or is there a better way so that only the Root is able to mount such devices? I tried setting permissions in/to
/dev/bus/usbwith no luck at all.