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My problem is using a separate flash drive when running from my live usb of ubuntu 12.10. The problem is that when I choose to Try Ubuntu from this usb drive it no longer lets me access my other flash drive. It automatically sets it to part of the live usb but it's a completely separate flash drive.
Ubuntu loads fine and everything but when I go to access my other flash drive nothing happens. When I try to open it from the home folder it gives me
Unable to mount 3.5 volume
Adding read ACL for uid 999 to media/ubuntu failed: Operation not supported message. My live usb is on a 8gb flash drive and my other flash drive is 4g.

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4 Answers 4

There was change for 12.10 where the mount point for automount devices is now in /media/username. Previously the mount point was in /media. I'm not sure why they changed it, but it seems like that the creation for /media/username at boot time was forgotten for the LiveUSB/DVD.

Try making the directory and see if the automount now works:

sudo mkdir /media/ubuntu

If that doesn't work, try mounting manually:

sudo mount /dev/sdc1 /mnt

...assuming the device you are trying to mount is /dev/sdc. The mount point will be /mnt, or you can use /media/ubuntu if you wish since you just made it.

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Things have changed in the current Ubuntu version. The bug was that they forgot to create a user under media and create the appropriate permissions. Hope this helps.

The bug and its explanation can be found here:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1048059

substitute USERNAME with ubuntu or any name of your choice, as follows:

sudo mkdir /media/USERNAME
sudo chown USERNAME.USERNAME /media/USERNAME

or

sudo mkdir /media/$USER
sudo chown $USER.$USER /media/$USER
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That was Exactly what I needed to know!!! Thanks

There was change for 12.10 where the mount point for automount devices is now in /media/username. Previously the mount point was in /media. I'm not sure why they changed it, but it seems like that the creation for /media/username at boot time was forgotten for the LiveUSB/DVD.

Try making the directory and see if the automount now works:

sudo mkdir /media/ubuntu

If that doesn't work, try mounting manually:

sudo mount /dev/sdc1 /mnt

...assuming the device you are trying to mount is /dev/sdc. The mount point will be /mnt, or you can use /media/ubuntu if you wish since you just made it.

I used that info to create the missing DIR which then allowed me to mount the SD card and other drives I have been trying to mount but getting that same error.

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Same problem occours in lubuntu 12.10 booting from live USB. Creating the directory /media/lubuntu solves the problem.

sudo mkdir /media/lubuntu
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