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If you are encountering the update-grub2 command not found error on your computer, see these troubleshooting tips.

The update-grub command is specially designed to make things easier. It’s just a shell script in / usr / sbin / :

  #! / bin / shput -eexec grub-mkconfig -o /boot/grub/grub.cfg "$ @" 

If not, you can create it yourself. To do this, run this and paste the script:

  sudo via nano / usr / sbin / update-grub 

  sudo chown root: root / usr / sbin / update-grubSudo chmod 755 / usr / sbin / update-grub 

I’m new to Linux and Fedora, wait. So after I wanted to install Fedora 28 and my newly connected Windows SSD, I just wanted it

  sudo update-grub 

To restore the GRUB configuration file, what type of partition should Windows detect and add. But the team doesn’t exist. Can an employee help me? By the way, I’m on a computer with UEFI.

In this tutorial, you will learn about Artikel-Grub on Ubuntu or another Linux distribution. You will also learn how this grub update business works.

Updating And Collecting

Most Linux distributions added to Ubuntu have a handy command set utility called update-grub.

To update Grub, you need to run this command in a terminal using sudo.

  sudo update-grub  

   [email protection] : ~ $ update-grub[sudo] sudo password for abhishek:Create a computerblack file `/ etc / default / grub 'Creating a grub config file ...Found Linux figure: /boot/vmlinuz-5.0.0-37-genericFound initrd image: /boot/initrd.img-5.0.0-37-genericLinux image detected: /boot/vmlinuz-5.0.0-36-genericFound initrd image: /boot/initrd.img-5.0.0-36-genericLinux image detected: /boot/vmlinuz-5.0.0-31-genericFound initrd image: /boot/initrd.img-5.0.0-31-genericFound Ubuntu 19.10 (19.10) still on / dev / sda4Found MX 19 patito feo (19) on boot / dev / sdb1Add menu item for EFI firmware configurationdone  

You can correctly see a similar command with the usual name update-grub2. You don’t have to worry or get stuck between update-grub and update-grub2. Both types of commands do the same thing.

About a few years ago, when Grub2 was in production, the update-grub2 command was also introduced. Today update-grub2 is just a symbolic link between update-grub and two grub2 configuration updates (because grub2 might be the norm).

Can’t Find The Update-grub Command? Here’s What To Do In This Case

Your Linux distribution may not be using the available update-grub command.

What are you doing inside the enclosure? das How do I change Grub in such a Linux distribution?

In v There is no need to panic in your life. The update-grub command is now a simple stub to run “grub-mkconfig – /boot/grub/grub.cfg” to create a Grub2 configuration file.

This may mean that you can update the grub command along with the following on any Linux distribution:

  sudo grub-mkconfig -o /boot/grub/grub.Kurs, cfg  

Remembering the update-grub command should be much easier than the instructions above, which is why this situation was created in the first place.

How Does Update-Grub Work?

When installing Linux as a syndication, you will (usually) be prompted to install the bootloader part grub bootloader .

The partially linked Grub will be installed in the MBR / ESP partition. The rest of the lies are buried in the / boot / grub directory of Linux distributions.

According to this, this is man page , update-grub works by looking in the / boot directory. All versions that start vmlinuz- is treated like this and the kernel is obtained simply by getting the grub menu item. There will also be initrd lines for Ramdisk with found images. lend? same version as found kernels. Also

its appearance across all hard disk partitions for other powerful work systems with os-prober . If it detects several other operating systems, add them to our grub menu.

Why Modify Grub?

There are a number of issues that can arise when updating Grub.

The person is assumed to have changed the config file (/ etc / default / grub) to change this specific default boot order or reduce the default boot time. Your changes won’t take effect until you update grub.

Another difficulty arises whenThere are multiple Linux pins installed on the same system.

For example, I have 3 hard drives on my Intel NUC. The first hard drive was Ubuntu 19.10, then I installed Ubuntu 18.04 and passed it on. The second operating system (Ubuntu 18, also 04) connected its own grub and now its grub screen is controlled by Ubuntu 18.04 grub.

I installed MX Linux on a second hard drive, but I didn’t type Grub. I want an existing grub (tested for Ubuntu 18.04) to handle all OS input.

In this script, grub on Ubuntu 18.04 must be updated to MX Linux .

As you can see in the image above, when updating Grub, the IT department finds different Linux kernels installed on different partitions from 18.04 to Ubuntu 19.10 and MX Linux.

If I want MX Linux to control Grub, I can configure Grub in MX Linux with grub-install then MX Linux on grub starts controlling grub screen. Do you have the right?

This is usually a graphical gadget, for example Grub Customizer is a much easier way to make changes to Grub.

I originally wanted to leave this as a hint. But after that, I thought about explaining a few important topics related to this so that (relatively) more Linux users can learn more than just a command.

Do you like it? Do you have any questions or suggestions? Feel free to leave a comment.

Where to find update Grub in Debian 10?

I noticed that there is an update-grub command in / usr / sbin. I left this to get the following error message. I searched for grub-mkconfig and always found it in / usr / sbin / grub-mkconfig.