GNU GRUB: Difference between revisions

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== 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.~~

=== this GPT partition label contains no BIOS Boot Partition ===

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

This error is caused by using grub for legacy boot with a disk formatted as GPT<ref>https://en.wikipedia.org/wiki/BIOS_boot_partition</ref>.

<~~syntaxhighlight lang="commands"~~>

This can be fixed either by:

~~$ sudo~~ nix-~~collect~~-~~garbage~~ -~~-delete-older-than 14d~~

~~$ sudo~~ nixos~~-rebuild boot~~

* Using a MBR partition scheme

~~</syntaxhighlight>~~

* 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.}}

=== How do I use GRUB in text mode? ===

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</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 />

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

@@ Line 3: / Line 3: @@
 == 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.
+=== this GPT partition label contains no BIOS Boot Partition ===
-The first command, in the example below, removes everything older than 14 days.
+This error is caused by using grub for legacy boot with a disk formatted as GPT<ref>https://en.wikipedia.org/wiki/BIOS_boot_partition</ref>.
-<syntaxhighlight lang="commands">
+This can be fixed either by:
- $ sudo nix-collect-garbage --delete-older-than 14d
- $ sudo nixos-rebuild boot
+* Using a MBR partition scheme
-</syntaxhighlight>
+* 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.}}
 === How do I use GRUB in text mode? ===
@@ Line 24: / Line 26: @@
 </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 />
+[[Category:Applications]][[Category:Booting]]