This will be the solution of the following error message when the external usb device is attached on the Linux.

Error org.freedesktop.DBus.Error.AccessDenied.



type groups in the xterminal,

userid audio video

where userid is your user id.


As root
usermod -a -G cdrom userid
usermod -a -G plugdev userid
usermod -a -G powerdev userid

reference http://forums.debian.net/viewtopic.php?p=209366&sid=e101ea755847bc7f4cd84db9c0b033f8
posted by citadel