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

[George Toft]

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"


Method 2:
Trinity - clone NTFS filesystems over the network
http://trinityhome.org/Home/index.php?wpid=1&front_id=12



Keep in mind you will be limited by your network or disk drive. 
Experience has shown this takes a really long time for a large drive. 
If you want to watch the progress:
1.  Log into someremotebox and issue this command:
watch "ls -lh /path/to/file/*"



To copy the image from the remote box:
ssh user at someremotehost "cat /path/to/file/backup.img" | dd of=/dev/hda




George Toft, CISSP, MSIS
623-203-1760




Mark Phillips wrote:
> I have a laptop that dual boots Windows and Debian. I need to make a complete 
> backup of the entire drive. I have another Windows XP machine on my network 
> (or another Debian machine) with some extra disk space, so I would like to 
> create an image of the disk drive and store it there. I then want to restore 
> it later. How do I do that?
> 
> I have been googling around for "hard drive backup" and "partition backup". I 
> found a few options, tested them on the Window 200 partition, and they don't 
> seem to be able to do the job. One problem I have is that Windows 2000 does 
> not see the Linux partition and Debian does not see the Windows 2000 
> partition. Based on what I read, I should unmount the drive I am copying - is 
> this true?
> 
> I am not enough of a Linux guru to figure out how to use dd across the 
> network. Can I run dd on the system I am imaging?
> 
> Can I do this with a knoppix CD? Is there a howto somewhere? I couldn't find 
> it.
> 
> Thanks!
> 
> Mark
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