Bootloader: Difference between revisions

imported>Samueldr
Reviews section to be more factual and explains the difference with default settings.
imported>Sfultong
adding instructions for binding virtual file systems
Line 54: Line 54:
* The ESP wasn't mounted and I want to re-generate the menu entries
* The ESP wasn't mounted and I want to re-generate the menu entries


Booting from the installation media, mount the root partition, and the boot partition under <code>/mnt</code>. Next, run the [https://github.com/NixOS/nixpkgs/blob/e140d71d6330786c40b4bd9c0d59af7ad1a5e86a/nixos/modules/installer/tools/nixos-install.sh#L191-L192 command that the installer would run]. This will re-install the bootloader.
Booting from the installation media, mount the root partition, and the boot partition under <code>/mnt</code>. Next, bind system virtual file systems under <code>/mnt</code>. Finally, run the [https://github.com/NixOS/nixpkgs/blob/e140d71d6330786c40b4bd9c0d59af7ad1a5e86a/nixos/modules/installer/tools/nixos-install.sh#L191-L192 command that the installer would run]. This will re-install the bootloader.


<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
mount /dev/[root partition] /mnt
mount /dev/[root partition] /mnt
mount /dev/[boot partition] /mnt/boot
mount /dev/[boot partition] /mnt/boot
for i in dev proc sys; do mount --rbind /$i /mnt/$i; done
NIXOS_INSTALL_BOOTLOADER=1 chroot /mnt \
NIXOS_INSTALL_BOOTLOADER=1 chroot /mnt \
     /nix/var/nix/profiles/system/bin/switch-to-configuration boot
     /nix/var/nix/profiles/system/bin/switch-to-configuration boot