Add OS's to Grub

Liam Proven lproven at
Fri Mar 22 10:54:25 UTC 2019

On Fri, 22 Mar 2019 at 09:51, Grizzly via ubuntu-users
<ubuntu-users at> wrote:
> Maybe a senior moment but thought grub (it has in past, when I booted from a
> USB HD with Bionic on) found OS´s at boot?

No, it's not at boot time, it's when you update it.


sudo update-grub

on one of the installs and it _should_ find the others and add them.

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