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Old 12-17-2007, 05:52 AM   #1
rrojo7229
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Registered: May 2007
Location: Ireland - Ardee
Distribution: Red Hat Enterprise
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Can I make a bootable TAPE using "dd" or "GHOST" from RedHat Enterprise Linux AS 4


Dear fellows,


Can I make a Bootable TAPE OR CD using "dd" command or "GHOST" application in the RED HAT Enterprise Linux AS release 4?

We need backup all Operation System in a Tape or CD but we would like to make this Tape or CD as Bootable.

Thanks indeed.

Kind Regards,
Rrojo7229 - Ireland

Last edited by rrojo7229; 12-17-2007 at 06:43 AM. Reason: Did not realize before that I missing CD Device
 
Old 12-17-2007, 07:28 AM   #2
terryxela
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Registered: Dec 2006
Location: Denver, Colorado, USA
Distribution: SuSE 11.3
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Quote:
Originally Posted by rrojo7229 View Post
Dear fellows,


Can I make a Bootable TAPE OR CD using "dd" command or "GHOST" application in the RED HAT Enterprise Linux AS release 4?
To boot you need the device to be recognized by the BIOS as booting device. I am not aware of that you can do it with a tape. Yes can do it with a CD.

The DD command will copy b-by-b the whole file system. It can not cross file systems. In summary you can not make the same cd bootable.

There is a zillion way to accomplish what you want. This is my approach:

1. I boot from a usb stick a small distro like dsl-n or puppy. I use the stick because is writable and I can change easy the stuff and even write note for restore etc. Of course you can do it also this part with a bootable CD (live cd linux)

2. From there I do backup restores of the whole system. You can use either dd or tar or cpio. I prefer tar because I have many partitions and I can in one file backup all of them (the same with cpio). With dd is one file per partition/file system.

-=terry(Denver)=-
 
Old 12-18-2007, 03:33 AM   #3
rrojo7229
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Registered: May 2007
Location: Ireland - Ardee
Distribution: Red Hat Enterprise
Posts: 6

Original Poster
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Quote:
Originally Posted by terryxela View Post
To boot you need the device to be recognized by the BIOS as booting device. I am not aware of that you can do it with a tape. Yes can do it with a CD.

The DD command will copy b-by-b the whole file system. It can not cross file systems. In summary you can not make the same cd bootable.

There is a zillion way to accomplish what you want. This is my approach:

1. I boot from a usb stick a small distro like dsl-n or puppy. I use the stick because is writable and I can change easy the stuff and even write note for restore etc. Of course you can do it also this part with a bootable CD (live cd linux)

2. From there I do backup restores of the whole system. You can use either dd or tar or cpio. I prefer tar because I have many partitions and I can in one file backup all of them (the same with cpio). With dd is one file per partition/file system.

-=terry(Denver)=-
Dear Terry,

Thanks indeed for your attention.

Sorry about my lack of knowledge, but what is the steps to create a "Live CD Linux".

Kind Regards,
Rrojo7229
 
Old 12-20-2007, 07:53 AM   #4
terryxela
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Registered: Dec 2006
Location: Denver, Colorado, USA
Distribution: SuSE 11.3
Posts: 125

Rep: Reputation: 17
Quote:
Originally Posted by rrojo7229 View Post

Sorry about my lack of knowledge, but what is the steps to create a "Live CD Linux".
Live CDs are already created :-). You only have to download them and burn it.
They come as an iso image. So when you burn it, burn is as iso image and not as data. Many of the GUI burning programs will ask you if you want to burn it as iso image. A popular burning program is k3b. Brasero and nero also will do it or any of the windows programs.

I use for maintenace like you wanted dsl-n or puppy. They are very small and have all what you need it. They also fit in a usb stick which they are great because you can write to it. So I have there notes of the backup and step by step instructions, etc.

http://www.damnsmalllinux.org/dsl-n/

http://www.puppylinux.com/

These other two are also live cd that will do the job and they have many of the forensic unix tools. They have more stuff of what you need, however there is nothing wrong to have them around

http://www.efense.com/helix/downloads.php

http://www.inside-security.de/insert_en.html

Ciao

-=terry(Denver)=-
 
  


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