On Sun, 17 Aug 2014 21:02:47 -0700
Ken Stephens <[email protected]> dijo:
>John Jason Jordan wrote:
>> I have spent th past hour trying to make a backup of my Home to an
>> external device and continue to fail. My Home folder is on a separate
>> partition, /dev/sdb2.The problem is that I cannot boot to the
>> installation and must boot to a live media. I have tried Xubuntu
>> 14.04.1 and Knoppix 7.2, both of which will happily mount the
>> devices, but refuse to allow me to write to them, even when mounted
>> as root and when I run the cp command as root. I realize the problem
>> is that the live media OS doesn't own the data, but there must be a
>> way to copy the data to an external drive. What is the secret?
>Is there a mechanical interlock on the external drive?
No. It is an external USB drive.
>Have you tried sudo mount -o remount,rw "filesystem" to your target
>drive?
I just tried it. The following commands executed without error (both
drives were already mounted, and the folders in /media had already been
created)
sudo mount -o remount,rw /dev/sdb2 /media/Home2
sudo mount -o remount,rw /dev/sdc /media/Movies
But when I try to copy anything from /media/Home2
to /media/Movies/Backup_8.17.14 it fails because it cannot create
folders in /media/Movies/Backup_8.17.14 ("permission denied").
i believe the problem is ownership, but if I change the ownership of the
files in /dev/sdb2 it will be a disaster later.
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