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> How to upgrade a RedHat system to a customized CentOS with only local
Skidmark
post Dec 6 2010, 04:32 PM
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Hi,

I have a RedHat 7.2 server that I want to clone a CentOS system to. The RedHat system can only boot from its local hard drive. Is it possible to create an image of the CentOS system, copy this image to the RH72 system, and restore it?

Thanks.
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michaelk
post Dec 6 2010, 06:13 PM
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I would guess this is a really old computer and without knowing more about its hardware specifications (CPU, RAM) it is impossible to tell if CentOS will work. Are you running x i.e a desktop of just the command line?

One way would be to move the old computer's drive to the CentOS computer and reinstall the OS to that drive and then move it back to the old server. I do not think cloning is a good choice in this situation.
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Skidmark
post Dec 6 2010, 07:49 PM
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QUOTE (michaelk @ Dec 6 2010, 03:13 PM) *
I would guess this is a really old computer and without knowing more about its hardware specifications (CPU, RAM) it is impossible to tell if CentOS will work. Are you running x i.e a desktop of just the command line?

One way would be to move the old computer's drive to the CentOS computer and reinstall the OS to that drive and then move it back to the old server. I do not think cloning is a good choice in this situation.


It's not an old PC, and I have the exact hardware to test this on - I can get CentOS working fine on the hardware. The system I want to upgrade only boots from HDD because BIOS is locked out so the boot options can not be changed whatsoever. I also don't want to do any kind of drive swap. I need the procedure to work using only the command line/shell scripts.

Basically, I'm trying to image my new working server and somehow get the image transferred directly to the locked server's hard disk, then be able to execute whatever commands are necessary to extract and install the image and change the boot loader to utilize the new OS. Is this possible?
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