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booting minimal gentoo iso from ssd

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turtles
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Joined: 31 Dec 2004
Posts: 1680

Posted: Sun Oct 20, 2024 8:22 pm Post subject: booting minimal gentoo iso from ssd

Greetings Gentooers
I'd like to keep the minimal Gentoo iso on a partition (ext4) /dev/sda3

I have grub installed on /dev/sda & /dev/sda1 and I'd like to add a menuentry able to boot the iso.

I mounted a copy of the iso to look around

Code:

mount -o loop /tmp/gentooiso/install-amd64-minimal-20241006T144834Z.iso /mnt/iso

and came up with this

Code:

menuentry "Gentoo ISO" {
set isofile="/install-amd64-minimal-20241006T144834Z.iso"
rmmod tpm
# iso is on /dev/sda3
loopback loop (hd0,gpt3)$isofile
linux (loop)/boot/gentoo
path=image.squashfs iso-scan/filename=$isofile
initrd (loop)/boot/gentoo.igz
}

Any comments or suggestions on the best way to do this ?
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