Add OS's to Grub

[Colin Watson]

On Fri, Mar 22, 2019 at 08:48:32AM -0000, Grizzly via ubuntu-users wrote:
> I would like to boot without any extra keying for Boot order, but both Grubs 
> only show their own OS´s
> 
> 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?

Do you have the os-prober package installed?

-- 
Colin Watson                                       [cjwatson at ubuntu.com]