How do I save a disk image of my laptop hard drive?

[George Toft]

I seem to have lost my cat.  My mistake - sorry.  Corrected command:
dd if=/dev/hda | ssh user at someremotehost "cat > /path/to/file/backup.img"

George Toft, CISSP, MSIS
623-203-1760




Mark Phillips wrote:
> On Thursday 05 April 2007 15:51, George Toft wrote:
> 
>>Method 1:
>>1.  Boot a knoppix cd
>>2.  Open a root terminal window and issue this command:
>>dd if=/dev/hda | ssh user at someremotehost "> /path/to/file/backup.img"
> 
> 
> The file backup.img is created on someremotehost, but it has zero length. The 
> drive hda does not spin up on the laptop when I issue this command. 
> 
> dd if=/dev/hda | ssh mark at 192.168.25.125 ">/home/mark/backup.img"
> 
> I get the message after I enter my password - "Warning: no xauth data; using 
> fake authentication data for X11 forwarding."
> 
> However, if I do cfdisk /dev/hda from the same knoppix terminal window, the 
> drive hda does spin up and cfdisk reports the correct partitions.
> 
> What am I missing to get the drive copied?
> 
> Thanks!
> 
> Mark
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