update-grub command not found

1. How do I update grub?
2. How do I edit grub in terminal?
3. How do I regenerate GRUB config?
4. How do I update grub in Arch?
5. How do I restore grub?
6. How do I check my grub version?
7. How do I change the default GRUB boot?
8. How do I enable GRUB menu?
9. What are the grub rescue commands?
10. How do I reinstall grub from USB?
11. How do I boot from grub prompt?
12. How do I remove GRUB bootloader?

How do I update grub?

Phase 1 - Note: don't use a Live CD.

1. In your Ubuntu open a terminal (press Ctrl + Alt + T at the same time)
2. Make the changes you would like to make and save them.
3. Close gedit. Your terminal should still be open.
4. In the terminal type sudo update-grub , wait for the update to finish.
5. Reboot your computer.

How do I edit grub in terminal?

Make Your Changes Take Effect

To have your changes take effect, simply save the text file — File > Save in Gedit or Ctrl + O and then Enter to save the file in Nano — and then run the sudo update-grub command. Your changes will become part of the grub. cfg file and will be used each time you boot your computer.

How do I regenerate GRUB config?

Rebuild the grub.cfg file by running the grub2-mkconfig -o command as follows:

1. On BIOS-based machines, issue the following command as root : ~]# grub2-mkconfig -o /boot/grub2/grub.cfg.
2. On UEFI-based machines, issue the following command as root : ~]# grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg.

How do I update grub in Arch?

Updating GRUB packages

Run the command of Arch Linux to sync, update and refresh the system packages through Pacman. To manually check the latest version of GRUB available in the repository, input the following command. Pacman, in this command, will reinstall the latest version of GRUB for your server.

How do I restore grub?

Resolution

1. Place your SLES/SLED 10 CD 1 or DVD in the drive and boot up to the CD or DVD. ...
2. Enter the command "fdisk -l". ...
3. Enter the command "mount /dev/sda2 /mnt". ...
4. Enter the command "grub-install --root-directory=/mnt /dev/sda". ...
5. Once this command completes successfully reboot your system by entering the command "reboot".

How do I check my grub version?

To determine your version, use grub-install -V. Grub version 1.99 became the default on Ubuntu 11.04 (Natty Narwhal) and introduced some major changes in the Grub file contents.

How do I change the default GRUB boot?

Once installed, search for Grub Customizer in the menu and open it.

1. Start Grub Customizer.
2. Select Windows Boot Manager and move it to the top.
3. Once Windows is on the top, save your changes.
4. Now you'll boot into Windows by default.
5. Reduce the default boot time in Grub.

How do I enable GRUB menu?

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 are the grub rescue commands?

Normal

How do I reinstall grub from USB?

Resetting Grub Bootloader using a Ubuntu Live USB drive

1. Try Ubuntu. ...
2. Determine the Partition on Which Ubuntu is Installed Using fdisk. ...
3. Determine the Partition on Which Ubuntu is Installed Using blkid. ...
4. Mount The Partition with Ubuntu Installed On It. ...
5. Restore Missing Grub Files Using the Grub Install Command.

How do I boot from grub prompt?

There is probably a command that I can type to boot from that prompt, but I don't know it. What works is to reboot using Ctrl+Alt+Del, then pressing F12 repeatedly until the normal GRUB menu appears. Using this technique, it always loads the menu. Rebooting without pressing F12 always reboots in command line mode.

How do I remove GRUB bootloader?

Remove GRUB bootloader from Windows

1. Step 1(optional): Use diskpart to clean disk. Format your Linux partition using Windows disk management tool. ...
2. Step 2: Run Administrator Command Prompt. ...
3. Step 3: Fix MBR bootsector from Windows 10.