How do I change Grub settings in Ubuntu?

How do I change Grub settings in Ubuntu?

  1. 1.1. Select default OS (GRUB_DEFAULT) Open /etc/default/grub file using any text editor, for example nano.
  2. 1.2. Set OS timeout (GRUB_TIMEOUT) By default, the selected entry from the boot menu will start to boot in 10 seconds.
  3. 1.3. Change GRUB background image.

How do I change my default bootloader?

Change Default OS In Boot Menu Using Startup Options

  1. In the boot loader menu, click the link Change defaults or choose other options at the bottom of the screen.
  2. On the next page, click Choose a default operating system.
  3. On the next page, select the OS you want to set as the default boot entry.

How do I change the boot order in Ubuntu GRUB?

Change grub boot order

  1. sudo nano /etc/default/grub. Find the following line.
  2. GRUB_DEFAULT=0. Edit the line replacing 0 by the item number you want to boot by default.
  4. sudo update-grub.
  8. sudo update-grub.

How do I make Ubuntu default GRUB bootloader?

5 Answers. 2) Then run boot-repair by sudo boot-repair and use “Recommended repair”. Then boot-repair will scan boot paths and correct them and update your grub configuration and set grub as the default bootloader of your system. efi expects the default boot loader to be /efi/boot/bootx64.

How do I get to the GRUB menu in Ubuntu?

With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If you see the Ubuntu logo, you’ve missed the point where you can enter the GRUB menu.) With UEFI press (perhaps several times) the Escape key to get grub menu. Select the line which starts with “Advanced options”.

What is a Linux boot loader?

A boot loader is a program that is found by the system BIOS (or UEFI) in the boot sector of your storage device (floppy or hard drive’s Master_boot_record), and which locates and starts your operating_system ( Linux ) for you.

How do I edit GRUB config?

To edit grub, make your changes to /etc/default/grub . Then run sudo update-grub . The update-grub will make the permanent changes to your grub. cfg file.