Nick Koretsky wrote:
You need to modify org.freedesktop.UDisks2.policy (probably at /usr/share/polkit-1/actions but this could be distro specific)
Search in for org.freedesktop.udisks2.filesystem-mount, then scroll down to <defaults> block and replace whatever auth rule there is with "yes", like this: <allow_any>yes</allow_any> <allow_inactive>yes</allow_inactive> <allow_active>yes</allow_active>
I think it were better to check the group membership of the user I think it is the group plugdev
regards