On Mon, Mar 12, 2018 at 07:43:39PM +0100, Thorsten Wilms wrote:
Hi once again,

There's a convenient dual-booting solution that I think hasn't been mentioned in these circles. You can let Grub2 offer an item that will load another grub.cfg.

In my case, that's a Grub installed from Ubuntu, with a menu that will be updated in sync with kernel installation/removal, plus one "Guix SD" item that will lead to the known Guix SD menu, also always up-to-date, without an actual second Grub installation.

No manual updating, no chain-loading of one or the other from an independent third Grub.

Guix SD: /etc/config.scm, in operating-system:
----
(bootloader (bootloader-configuration (bootloader (bootloader (inherit grub-bootloader) (installer #~(const #t))))))
----

Very nice indeed! Thanks for sharing.

S_@

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