Where are grub2 configuration files stored?

Where are grub2 configuration files stored?

/etc/default folder
The primary configuration file for changing menu display settings is called grub and by default is located in the /etc/default folder. There are multiple files for configuring the menu – /etc/default/grub mentioned above, and all the files in the /etc/grub. d/ directory.

Where is the GRUB config file?

/boot/grub/grub
The GRUB menu interface configuration file is /boot/grub/grub. conf. The commands to set the global preferences for the menu interface are placed at the top of the file, followed by stanzas for each operating kernel or operating system listed in the menu.

Where is grub2 bootloader executable file located at on a Fedora Linux system with UEFI and GPT?

On BIOS systems, this file is located on the boot partition, as /boot/grub2/grub. cfg . On UEFI systems, this file is located on the UEFI system partition, as /boot/efi/EFI/fedora/grub.

What is difference between grub and GRUB2?

GRUB and GRUB2 are two different versions. GRUB2 is considered as default boot loader of Ubuntu whereas GRUB is generally used in RHEL older versions. When started, GRUB2 mainly presents a menu and waits for some input from users. It generally transfers control to our operating system kernel.

Which bootloader does Fedora use?

GRUB bootloader
Fedora supports both UEFI and BIOS systems, using the GRUB bootloader, which is short for GNU GRand Unified Bootloader . GRUB provides a boot menu and support for many filesystems, as well as software for scanning the system for available operating systems and adding them to the menu.

Which is the configuration file for GRUB 2?

The configuration of GRUB 2 is based on the following files: This file contains the configuration of the GRUB 2 menu items. It replaces menu.lst used in GRUB Legacy. grub.cfg should not be edited—it is automatically generated by the command grub2-mkconfig -o /boot/grub2/grub.cfg .

How to configure the boot loader with GRUB 2?

Instead, edit the related source files or use the YaST Boot Loader module to modify the configuration as described in Section 12.3, “Configuring the Boot Loader with YaST” . More general options of GRUB 2 belong here, such as the time the menu is displayed, or the default OS to boot.

Where to find grubx64.efi in Ubuntu?

Ubuntu sets the prefix to the same place where the grubx64.efi and the shimx64.efi used for secure boot are located. So the first configuration file grub.cfg is loaded from the same directory where these EFI binaries reside.

Do you need to re-install GRUB 2 after installation?

For this reason, GRUB 2 does not need to be re-installed after changes to the configuration file. grub.cfg is automatically rebuilt with kernel installations or removals. grub.cfg is compiled from the file /etc/default/grub and scripts found in the /etc/grub.d/ directory when running the command grub2-mkconfig -o /boot/grub2/grub.cfg.