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Old 04-18-2015, 08:35 PM   #1
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How to distro hop with UEFI

I have a new PC and it's my first with a UEFI motherboard. I've been using Manjaro on it for a few weeks but now I want to switch distros. Before UEFI it was easy; I'd just tell the new distro's installer to overwrite / and use the existing /home as /home. But now I have these extra partitions that Manjaro created regarding UEFI and I'm not sure how to go about it.

I just used the Linux Mint USB live disc and launched the installer. The partitioning tool showed me /bios and /EFI in addition to the other partitions that are more familiar to me, like /boot, /, /home and /swap. It would not let me alter the /bios and /EFI partitions.

In order to preserve /home. what should I tell the Mint installer to do? Should I just overwrite /boot and / as I've always done? Will it work like that on a UEFI system? Many thanks in advance for all advice.

Output of fdisk -l:

Device Start End Sectors Size Type
/dev/sda1 2048 6143 4096 2M BIOS boot
/dev/sda2 6144 210943 204800 100M EFI System
/dev/sda3 210944 735231 524288 256M Linux filesystem (this is /boot)
/dev/sda4 735232 62175231 61440000 29.3G Linux filesystem (this is /)
/dev/sda5 62175232 1938952191 1876776960 894.9G Linux filesystem (this is /home)
/dev/sda6 1938952192 1953521663 14569472 7G Linux swap

Last edited by Huwie; 04-18-2015 at 08:38 PM.
Old 04-18-2015, 09:20 PM   #2
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Originally Posted by Huwie View Post
Should I just overwrite /boot and / as I've always done?
^ This.

/boot contains the kernel image & initramfs so it will have to be overwritten.

The EFI system partition (/dev/sda2 in your case) will be mounted to /boot/efi and contains the GRUB bootloader and it's configuration files and this will also be overwritten by the Mint installer.

The BIOS boot partition (/dev/sda1) is needed to house the GRUB bootloader for non-EFI systems on a GPT disk and is only relevant if you wish to boot in both EFI & non-EFI modes.
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Old 04-19-2015, 02:59 AM   #3
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Cool, thank you very much!


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