Moving data between 2 PCs

marcus lists at wordit.com
Tue Oct 10 16:05:22 BST 2006


On Tuesday 10 October 2006 16:15, Billy Pollifrone wrote:
> On 10/10/06, Orjan Sinclair <o.sinclair at gmail.com> wrote:
> Is there really no reasonably simple way to copy from 1 PC to
> another via removable media?? And keep ownership and rwx

There's a simple way, especially good for USB sticks. I use "Unison".

- Install unison and the GTK frontend unison-gtk, via synaptic or:

apt-get update
apt-get install unison unison-gtk

- Mount the USB drive(s) and run unison-gtk. Note: If the USB drives are 
formatted with FAT, as I suspect they are, then run "sudo unison-gtk" 
(see note below).

Unison will ask you to select source and destination, then show a report 
of the files which have changed. It's a very simple and fast way to 
keep backups on a USB stick, or sync files on various drives.


CAUTION: This goes for any sync program (you may know from Syncback on 
Windows). If you edit on both drives, meaning source and destination 
may change, then check in which direction you are copying, especially 
if a file has been deleted on the source side. I would first play 
around with test files before using your important data.

Note: Since FAT does not support all the permissions of a Linux file 
system, run unison as root. This is the only method I found to work 
properly with FAT formatted drives. Mounting with various permissions 
causes weird issues simply because FAT is different to EXT2/3.
When using FAT and EXT2/3 drives, you may need to experiment because of 
the different file systems and permissions. Do some test runs first.


HTH,

Marcus




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