Re: determining root mounting point from GRUB command line prior to boot

[Steve]

type
ls
it will list all partitions and drives


On Mon, 27 May 2019 at 19:26, Blue Upsilon via Help-grub <address@hidden>
wrote:

> Hi there,
>
> I use Ubuntu 18.04.
> When I boot from GRUB command line, is there a way to determine what the
> root mounting point will be, before booting?
>
> i.e., say I know that my partition that has Ubuntu is  (hd0,gpt4).
> so then I do:     set root=(hd0,gpt4)
> and then I happen to know that the correct root mounting point is
>  /dev/nvme0n1p4
> so then I know to do:    linux /vmlinuz root=/dev/nvme0n1p4
> and then i do     initrd /initrd.img     and  boot
>
> but like what if i don't know ahead of time that    /dev/nvme0n1p4   is
> what I need?
> (this problem comes up when:   say i'm booting from a backup external
> disk, and i don't know whether it will be /dev/sdb2  or whatever.... etc..)
>
> Thanks,
> Blue Upsilon
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