I think you can use chain-loading. Then two GRUBs will be installed, one will load the other. See this example for the config option in NixOS http://hydra.nixos.org/build/25232900/download/2/nixos/options.html#opt-boot.loader.grub.extraEntries. And here is GRUBs manual about it https://www.gnu.org/software/grub/manual/html_node/Chain_002dloading.html.
This is exactly what iyzsong suggested. If you installed NixOS you edit /etc/nixos/configuration.nix. On Sat, Aug 29, 2015 at 1:48 AM, Henning Thielemann < [email protected]> wrote: > > On Fri, 28 Aug 2015, Anderson Torres wrote: > > > 2015-08-28 12:38 GMT-03:00 Henning Thielemann < > [email protected]>: > >> > >> I find no /boot/grub/grub.cfg on the NixOS partition, not even a 'grub' > >> directory. Am I supposed to write a grub.cfg myself or should > nixos-install > >> create one for me? If the latter one, how can I make nixos-install > create a > >> grub.cfg for me but not install a boot-loader? > > > > Do you need NixOS controlling the boot of other OSes on your machine? > > No, I want to keep Ubuntu managing GRUB. > _______________________________________________ > nix-dev mailing list > [email protected] > http://lists.science.uu.nl/mailman/listinfo/nix-dev >
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