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How to Update GRUB on Linux Mint

Posted on February 19, 2023February 19, 2023 By oarsman No Comments on How to Update GRUB on Linux Mint

What is GRUB on Linux

GRUB (Grand Unified Bootloader) is a boot loader software used to load the operating system kernel into memory. It is typically used on Linux-based systems, and it is responsible for finding and loading the necessary kernel and initial RAM disk to boot the system.

When a computer is turned on, the BIOS or UEFI firmware initializes the hardware and then looks for a bootable device, such as a hard drive or USB drive. If a bootable device is found, the BIOS/UEFI hands control over to the bootloader, which then loads the operating system kernel into memory and starts it.

GRUB provides a menu interface to select from multiple operating systems, and it can also load custom kernels or operating system images. It is highly configurable and can be customized to meet specific booting requirements.

How to Update GRUB on Linux Mint

Updating the GRUB menu can be necessary after making changes to the kernel or the bootloader configuration. Here are the steps to update GRUB on Linux Mint:

Open a terminal window by pressing Ctrl + Alt + T.

Use the following command to update the GRUB configuration:

sudo update-grub 

This will update the GRUB configuration based on the changes that have been made.

If the command executes without errors, the updated GRUB configuration will be written to the disk. If there are any errors, you can troubleshoot them by checking the output of the command. That’s it! GRUB has been updated and you can now reboot your system for the changes to take effect.

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