How do I update-grub in terminal?

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Phase 1 – Note: don’t use a Live CD.

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

How do I update grub2 grub cfg?

Updating Grub boot loader on an RHEL or CentOS Linux

Open the terminal app.
Edit the /etc/default/grub as per your needs. For example: sudo vim /etc/default/grub.
Type the following command as root user: sudo grub2-mkconfig -o /boot/grub2/grub.cfg.
Reboot your Linux box. sudo reboot.

How do I change grub settings in Ubuntu?

It’s automatically created by running the update-grub command as root — in other words, by running sudo update-grub on Ubuntu. Your own GRUB settings are stored in the /etc/default/grub file. Edit this file to change GRUB2’s settings. Scripts are also located in the /etc/grub.

What is the difference between update-grub and update grub2?

1 Answer. There is no difference. Ubuntu 9.10 and later have GRUB2 installed, but sudo update-grub has still prevailed as the standard command. sudo update-grub and sudo update-grub2 are equivalent, so it doesn’t matter which one you run. /usr/sbin/update-grub2 is just a symbolic link to /usr/sbin/update-grub .

How do I update Grub2 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 use grub command line?

Booting From grub> The first line sets the partition that the root filesystem is on. The second line tells GRUB the location of the kernel you want to use. Start typing /boot/vmli , and then use tab-completion to fill in the rest. Type root=/dev/sdX to set the location of the root filesystem.

How do I update grub on live CD?

This solution is the exact same as roadmr’s answer except much easier.

Boot into AntiX Live CD.
Menu>Applications>System Tools>Boot Repair.
Select ‘Repair GRUB Configuration file’ (this option does run update-grub)
Select the drive/partition where /boot resides.
Reboot when its finished.

How do I check my grub2 version?

To determine your version, use grub-install -V.

How do I edit grub boot?

x86: How to Modify Boot Behavior by Editing the GRUB Menu at Boot Time

Reboot the system.
Use the arrow keys to select the boot entry to edit, then type e to access the GRUB edit menu.
Use the arrow keys to select the kernel or kernel$ line in this menu.
Type e to add boot arguments to the line.

How do I access grub from terminal?

When the grub menu shown in the image below appears, press the E key to enter the edition mode. After ro quiet, add a space and the number 3 as shown in the image below. Then press CTRL+X or F10 to boot. Now you will get a terminal at boot.

How do I check my GRUB2 version?

How do I update-grub on live CD?

How do I update grub2 manjaro?

These are the steps that worked for me, without having to install any new packages:

Boot into Manjaro installer.
Open terminal.
sudo manjaro-chroot -a (and select system to mount)
grub-install /dev/sda (it’s sda for me; make sure you choose the right drive!)
grub-install –recheck /dev/sda.
update-grub.
exit.
reboot.

Which command is used to update the grub2 config file in Ubuntu?

The update-grub command is simply a stub for running ‘grub-mkconfig -o /boot/grub/grub. cfg’ to generate grub2 config file.

How do I fix grub2?

You may need to choose a Wi-Fi network and enter its passphrase. The Boot Repair window will automatically scan your system after you run the boot-repair command. After it scans your system, click the “Recommended repair” button to repair GRUB2 with a single click.

How do I find Grub2 version in Linux?

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.

Where is grub file in Ubuntu?

The GRUB 2 files will normally be located in the /boot/grub and /etc/grub. d folders and the /etc/default/grub file in the partition containing the Ubuntu installation. If another Ubuntu/Linux distribution controlled the boot process, it will be replaced by the GRUB 2 settings in the new installation.

How do I change grub2 default?

1 Answer

Open a terminal window and execute: sudo nano /boot/grub/grub.cfg.
Enter your password.
In the file opened, find the text: set default=”0″
Number 0 is for the first option, number 1 for the second one, etc. Change the number for your choice.
Save the file by pressing CTRL+O and exit by pressing CRTL+X .

How do I open a grub in Ubuntu terminal?

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”.

How do I update Grub in Ubuntu terminal?

How to update grub. Ubuntu and many other Linux distributions provide a handy command line utility called update-grub. To update grub, all you have to do is to run this command in the terminal with sudo. sudo update-grub. You should see an output like this:

Where is the Grub boot loader in Linux?

When you install a Linux distribution, it (usually) asks you to install the grub boot loader. Part of grub is installed on the MBR/ESP partition. Rest of the grub lies in /boot/grub directory of the Linux distributions.

Where do I install grub install?

run grub-install on the /dev/sdX (drive, not mount point) that corresponds with the permanent install (or whichever drive will host GRUB if a multi-drive multi-boot] system). Flexibility here may depend on your vintage and BIOS.