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When I plug a USB storage device (i.e. USB key) on my computer with Gnome, the filesystems available on the device are automatically mounted (in /media/<partition-label>), and a file explorer (nautilus) popup appears showing the device content.

However, this automounting does not work with NTFS filesystems.

On various forums, people suggest to set ntfs-3g SUID root :

# chmod u+s /usr/bin/ntfs-3g

This does not solve the problem, here is the popup message:

Error mounting: mount exited with exit code 1: helper failed with:
Error opening '/dev/sdb2': Permission denied
Failed to mount '/dev/sdb2': Permission denied
Please check '/dev/sdb2' and the ntfs-3g binary permissions,
and the mounting user ID. More explanation is provided at
http://ntfs-3g.org/support.html#unprivileged [=> DEAD LINK]

However, since I have all necessary rights (I'm on the "floppy" group which has read/write permission on /dev/sdb1), I can mount the filesystem myself:

$ ntfs-3g /dev/sdb1 /home/me/mymount

How can I achieve this automounting with NTFS filesystems? Avoiding, if possible, changing /etc/fstab.

I'm currently using Debian 6.0 (Squeeze).

EDIT: Also, I just noticed a strange behavior: when there is already a sdbX mounted filesystem, I plug my NTFS USB device (as sdc...), and everything works as expected, automount works. But not if the device name is sdb...

share|improve this question
Please post the output of ls -ld /dev/sdb* when the drive isn't plugged in, as well as grep -r sdb /etc/udev/rules.d ~/.gconf – Gilles May 27 '13 at 21:26
@Gilles both commands return no result when the drive is not plugged... One more detail : I have two NTFS partitions on the device. – Totor Jun 2 '13 at 16:48

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