USB device permissions

Derek Broughton news at
Mon Mar 20 13:40:57 GMT 2006

Gabriel Dragffy wrote:

> I didn't find the exact file permissions.d but I did
> have: /etc/udev/permissions.rules
> this contained the following:
> # USB devices
> BUS=="usb", KERNEL=="legousbtower*", MODE="0666"
> BUS=="usb", KERNEL=="lp[0-9]*", GROUP="lp"
> BUS=="usb", KERNEL=="ub[a-z]*", NAME="%k", MODE="0640", GROUP="plugdev"
> My user account is already registered as being in the group "plugdev", but
> still lacks some permissions with reading and writing.

OK, note that there are no /dev/sd* devices in that set.  You're looking for

> Namely I cannot 
> access files through a KDE app when the files are on a USB device because
> it says I "can only select local files". 

That seems to be a different problem - I'd get the mounting part working
first then worry about it.

> But I also have problems deleting 
> files/folders, although writing them seems not to be a problem.

What filesystem is on the device?  vfat?

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