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Old 08-21-2009, 11:00 AM   #1
vibinlakshman
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Wink How to clone ?


Is there something like to make a clone in Ubuntu , I mean I had used Ghost in Windows , is it there for Ubuntu too .. Please provide necessary links to get studied
 
Old 08-21-2009, 11:04 AM   #2
repo
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Take a look at
http://www.google.be/search?q=ghost+...ient=firefox-a
 
Old 08-21-2009, 11:11 AM   #3
EricTRA
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Hello,

You could use FOG (User guide) or CloneZilla (HowTo with CloneZilla Live).

Kind regards,

Eric

Last edited by EricTRA; 08-21-2009 at 11:14 AM. Reason: typo fixing :-)
 
Old 08-21-2009, 11:28 AM   #4
schneidz
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if the output file is >= the input file, dd would probably be the best:
Code:
dd if=/dev/sdx of=/dev/sdy # bs=8192
caution: do not get sdx and sdy confused.

Last edited by schneidz; 08-21-2009 at 11:29 AM.
 
Old 08-21-2009, 11:42 AM   #5
khaleel5000
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you could also use programs like partimage to save the image.I used partimage to transfer my root partition (i.e. a complete debian installation) to another harddisk
 
Old 08-21-2009, 01:49 PM   #6
w1k0
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To clone Linux system I run live Linux distribution (for example Slax) and use the commands:

Code:
tar czf /path/to/stored/system/linux.tgz *
and:

Code:
tar xzf /path/to/stored/system/linux.tgz
Then I have to customize /etc/fstab and /etc/lilo.conf files, chroot to restored system, and run lilo command.

***

To clone Windows system I use the commands:

Code:
dd if=/dev/hda1 | gzip > /path/to/stored/system/windows.gz
and:

Code:
zcat -c /path/to/stored/system/windows.gz | dd of=/dev/hda1
As wrote schneidz in such case the partition for restored system can't be smaller then the partition with stored system. It shouldn't be too big as well because after restoring the system the size of the partition seen by Windows will be exactly as big as the size of stored partition. Any excess will be ignored (unusable).
 
Old 08-21-2009, 01:57 PM   #7
schneidz
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^ the unclaimed spaced can be reclaimed with something like gparted.
 
Old 08-21-2009, 02:16 PM   #8
z01krh
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i actually have used Clonezilla. www.clonezilla.org. It can take and restore and image of any drive or copy drive to drive. You can even set up a clonezilla server and do cloning over a lan or wan or ftp share (thats a little more complicated. But for local imaging it works great. And its free and open source.
 
Old 08-21-2009, 02:19 PM   #9
i92guboj
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There really isn't much situations in which the use of dd is really justified for backup purposes. It will waste time and space, and doesn't really adds anything to it. Besides that, if you use tar, your restored copy will be fully defragmented when you restore it, unlike with a dd image. Some silly OSes require a few files to be on certain placements in the disk, physically. However linux is not that faulty, and the bootloader can read your kernel without any problem from any part of the disk, as long as your BIOS can see it at that stage.

If it's just for backup purposes, use tar, rsync or whatever fits you better. If you truly want to use dd for that, at least be smart and zero out the empty part of your disk before to save some space. That can be done by growing a file full or zeros, and then deleting it.

Code:
dd if=/dev/zero of=/foo.img
rm /foo.img
As least now you will be able to compress the image much better to store it.
 
Old 08-26-2009, 06:43 PM   #10
w1k0
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@schneidz

I tried to unclaim the reclaimed disk space with gparted but it wasn't able to do it. Here's the information about partitions on that disk:

# fdisk -l
Code:
Disk /dev/hda: 80.0 GB, 80026361856 bytes
16 heads, 63 sectors/track, 155061 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Disk identifier: 0x3db012b3

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1       15375     7748968+   c  W95 FAT32 (LBA)
/dev/hda2           15376       30750     7749000   83  Linux
/dev/hda3           30751      153750    61992000   83  Linux
/dev/hda4          153751      155061      660744   82  Linux swap
# df
Code:
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda2              7748748   4977820   2770928  65% /
tmpfs                   257088         0    257088   0% /dev/shm
/dev/hda1              6790684   2781828   4008856  41% /mnt/hda1
/dev/hda3             61990104  44140000  17850104  72% /mnt/hda3
According to fdisk first and second partitions have almost the same size: 7748968+ vs 7749000. According to df the first partition is significantly smaller then the second: 6790684 vs 7748748. According to Windows first partition has 6.47 GB (2.65 GB of used space and 3.82 GB of free space). I restored first partition from the backup that I prepared a few years ago with dd and gzip on some smaller partition. When I restore the image of the smaller partition on the bigger one the system ignores disk space exceeding restored image. As I mentioned above gparted is unable to unclaim the reclaimed space.

@i92guboj

I started to backup Windows partition with dd ten years ago. I used that method because I wasn't able to store Polish file names with tar. In the meantime I improved fstab entry for Windows partition using iocharset=iso8859-2 and codepage=852:

Code:
/dev/hda1 /mnt/hda1 vfat iocharset=iso8859-2,codepage=852,showexec,noexec,auto,uid=1000,gid=100 0 0
In result Linux can read and write file names with Polish diacritics.

Now I backed up Windows system with tar and gzip. After restoring the system from the backup it works well. The only flaw are two ``desktop.ini -- Notepad'' windows popping up after start up of the system:

Code:
[.ShellClassInfo]
LocalizedResourceName=@%SystemRoot%\system32\shell32.dll,-21787
It means nothing. To avoid it it's enough to delete desktop.ini file from Documents and Settings\All Users\Start Menu\Programs\Startup or Documents and Settings\All Users\Start Menu\Programs or Documents and Settings\All Users\Start Menu directories.

I tested three methods of the backup of the same partition. Backup prepared with dd and gzip has 2.978 MB. Backup prepared with dd and gzip after defragmentation with defrag.exe and after wiping of unused disk space with KillDiskSuiteFree (DOS version) has 2.092 MB. Backup prepared with tar and gzip has 1.739 MB.

A few years ago I bought a laptop with Windows system. I did the backup copy of that system using dd and gzip. If I need Windows for some reason I can restore it from that backup in a few minutes.
 
  


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