GNU GRUB - Revision history

EpicEric: Missing efi attribute for boot.loader.efi.canTouchEfiVariables

2026-02-22T23:35:07Z

Missing efi attribute for boot.loader.efi.canTouchEfiVariables

← Older revision		Revision as of 23:35, 22 February 2026
Line 10:		Line 10:
	efiSupport = true;		efiSupport = true;
	};		};
	canTouchEfiVariables = true;		efi.canTouchEfiVariables = true;
	};		};
	</nowiki>\|name=/etc/nixos/configuration.nix\|lang=nix}}		</nowiki>\|name=/etc/nixos/configuration.nix\|lang=nix}}

2026-02-17T20:14:14Z

Fixed major description error labeling GNU as a non-UEFI bootloader, a description that could have caused major misunderstanding.

← Older revision		Revision as of 20:14, 17 February 2026
Line 1:		Line 1:
	{{expansion}}[https://www.gnu.org/software/grub/ GNU GRUB] , also known as the Grand Unified Bootlader, is a multiboot bootloader created and maintained by GNU. It is a ~~non UEFI~~ alternative to systemd-boot.		{{expansion}}[https://www.gnu.org/software/grub/ GNU GRUB] , also known as the Grand Unified Bootlader, is a multiboot bootloader created and maintained by GNU. It is a versatile alternative to systemd-boot that supports both UEFI and Legacy BIOS.

	== Usage ==		== Usage ==
	To install and enable GRUB on UEFI systems, add this to your system configuration:		To install and enable GRUB on UEFI systems, add this to your system configuration:
	{{File\|3=<nowiki>		{{File\|3=<nowiki>
	boot.loader.grub = {		boot.loader = {
	enable = true;		grub = {
	device = "nodev"; # "nodev" is used for UEFI		enable = true;
	~~efiSupport~~ = true;		device = "nodev"; # "nodev" is used for UEFI
			efiSupport = true;
			};
			canTouchEfiVariables = true;
	};		};
	</nowiki>\|name=/etc/nixos/configuration.nix\|lang=nix}}		</nowiki>\|name=/etc/nixos/configuration.nix\|lang=nix}}

2026-02-17T20:11:17Z

Added Usage section, and a definition of what GNU GRUB is.

← Older revision		Revision as of 20:11, 17 February 2026
Line 1:		Line 1:
	{{expansion}}		{{expansion}}[https://www.gnu.org/software/grub/ GNU GRUB] , also known as the Grand Unified Bootlader, is a multiboot bootloader created and maintained by GNU. It is a non UEFI alternative to systemd-boot.

			== Usage ==
			To install and enable GRUB on UEFI systems, add this to your system configuration:
			{{File\|3=<nowiki>
			boot.loader.grub = {
			enable = true;
			device = "nodev"; # "nodev" is used for UEFI
			efiSupport = true;
			};
			</nowiki>\|name=/etc/nixos/configuration.nix\|lang=nix}}
			Alternatively, to install and enable GRUB on Legacy BIOS systems, add this to your system configuration:
			{{File\|3=<nowiki>
			boot.loader.grub = {
			enable = true;
			device = "/dev/sda"; #replace with the drive intended for boot
			};\|name=/etc/nixos/configuration.nix\|lang=nix}}
			For additional GRUB module configuration options, refer to [https://search.nixos.org/options?channel=25.11&query=boot.loader.grub boot.loader.grub.]

	== FAQ ==		== FAQ ==

2025-06-01T23:47:38Z

Add link to disko setup for a bios partition on GPT.

← Older revision		Revision as of 23:47, 1 June 2025
Line 12:		Line 12:

	* Using a MBR partition scheme		* Using a MBR partition scheme
	* Adding a <tt>BIOS boot</tt> partition among your GPT partitions.		* Adding a <tt>BIOS boot</tt> partition among your GPT partitions. See https://github.com/nix-community/disko/blob/master/example/gpt-bios-compat.nix# for an example setup using [[disko]].

	{{expansion\|Add the steps required here. Explain as if inside the nixos installer environment.}}		{{expansion\|Add the steps required here. Explain as if inside the nixos installer environment.}}

2024-04-19T15:36:09Z

added category:Booting

← Older revision		Revision as of 15:36, 19 April 2024
Line 30:		Line 30:
	<hr />		<hr />

	[[Category:Applications]]		[[Category:Applications]][[Category:Booting]]

2023-04-15T16:48:38Z

fix boot.loader.grub.splashImage setting name

← Older revision		Revision as of 16:48, 15 April 2023
Line 26:		Line 26:
	</syntaxhighlight>		</syntaxhighlight>

	Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.~~splashScreen~~ = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.		Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashImage = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.

	<hr />		<hr />

	[[Category:Applications]]		[[Category:Applications]]

2021-09-20T05:50:04Z

add Software/Applications subcategory

2018-04-13T20:31:00Z

Adds stub about this GPT partition label contains no BIOS Boot Partition

@@ Line 4: / Line 4: @@
 → See [[Bootloader#FAQ]] as those questions also applies to GRUB.
 === How do I use GRUB in text mode? ===
@@ Line 16: / Line 27: @@
 Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashScreen = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.

2018-02-03T15:31:05Z

Removes leftover ==

← Older revision		Revision as of 15:31, 3 February 2018
Line 16:		Line 16:

	Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashScreen = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.		Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashScreen = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.

	==

2018-02-03T15:30:42Z

Adds a mention to look at the bootloaders FAQ.

← Older revision		Revision as of 15:30, 3 February 2018
Line 3:		Line 3:
	== FAQ ==		== FAQ ==

	~~=== How do I remove older generations from the bootloader? ===~~		→ See [[Bootloader#FAQ]] as those questions also applies to GRUB.

	~~First, collect garbages in your system, then rebuild~~. ~~The scripts will collect leftover files.~~

	~~The first command, in the example below, removes everything older than 14 days.~~

	~~<syntaxhighlight lang="commands">~~
	~~$ sudo nix-collect-garbage --delete-older-than 14d~~
	~~$ sudo nixos-rebuild boot~~
	~~</syntaxhighlight>~~

	=== How do I use GRUB in text mode? ===		=== How do I use GRUB in text mode? ===
Line 25:		Line 16:

	Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashScreen = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.		Only disabling the GRUB splash screen via <syntaxhighlight lang="nix" inline>boot.loader.grub.splashScreen = null;</syntaxhighlight> results in a similar output but that is not the real text only mode.

			==