Bootloader: Difference between revisions
imported>User No edit summary |
imported>Iceychris m add a simple way of reinstalling the bootloader while the system is running |
||
| Line 55: | Line 55: | ||
* The ESP was re-made and nothing was kept | * The ESP was re-made and nothing was kept | ||
* 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 | ||
==== From a running system ==== | |||
<syntaxhighlight lang="bash"> | |||
sudo nixos-rebuild --install-bootloader switch | |||
</syntaxhighlight> | |||
==== From an installation media ==== | |||
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. | 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. | ||