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Trying to set cloned partition as new root
27/05/2017, 03:08
Resposta: #1
Trying to set cloned partition as new root
I have done similar things in Debian a couple of times, but now it doesn't seem to work.
On a BIOS system (i.e. non-UEFI). I have a working Ubuntu on /dev/sda1, with grub installed to the same disk (/dev/sda). Then I cloned this partition to /dev/sdc1. Then I generated a new UUID for /dev/sdc1 using tune2fs. Then I changed the /etc/fstab on /dev/sdc1 to use the clone as root by UUID. Then I ran update-grub. Then I restarted. Of course now the computer still boots from the disk /dev/sda. The clone was listed in the GRUB start-up menu as expected marked as "Ubuntu (on /dev/sdc1)" or something. I choose to boot into this system. So far so good.


I didn't find the right solution from the Internet.

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