A. GNU GRUB ("GRUB" for short) is a boot loader package from the GNU Project. GRUB is the reference implementation of the Multiboot Specification, which allows a user to have several different operating systems on their computer at once, and to choose which one to run when the computer s...
Let me explain a bit here. When you install Ubuntu or some other Linux, it adds Grub bootloader to your boot settings and makes it the default. So, now your system has two boot loaders or boot manager (whatever you want to call it). Grub gives you option to boot into Ubuntu or Wind...
On Fedora 39+, RHEL 9, AlmaLinux 9, Rocky Linux 9, and CentOS Stream 9 Linux distributions, you can use the grubby program to manage the GRUB boot entries. In this article, we will show you how to use grubby to add/remove the kernel boot parameters from the GRUB boot entries on Fedo...
This next step is vital. You're going to reprioritize Windows in your boot order. Linux also adds its own bootloader, known as GRUB. We'll want to change a few settings to restore Windows in the boot order. If you can't get to these settings, don't worry, your Windows install is ...
I have 2 SSDs, on one I installed Ubuntu and is the current bootloader with GRUB. But I noticed there is another Ubuntu bootloader in BIOS on the other SSD on which I did not install Ubuntu. When I try to boot using this bootloader, it doesn't open the G
Here, we’ll learn how to stop users from getting into single-user mode and changing system settings, especially if they can directly access the system physically. How to Password Protect GRUB Bootloader in Linux Create a password forGRUB, be arootuser, and open the command prompt, type the...
1.2. Remove Old, Unused Kernels Automatically Now, let us delete old and unused Linux Kernels in Debian-based systems using the following command: $ sudo apt-get autoremove --purge The commandsudo apt-get autoremove --purgeis used to remove automatically installed packages that are no longer ne...
bootloader access to a machine, there is no way to stop them. That's why we need to add an extra security by protecting the Grub Bootloader with a strong password. If you're a Linux administrator, you should know how tosecure your bootloader. This guide explains how toprotect Grub ...
Update the GRUB bootloader configuration. update-grub2 init 6Looking for VHDX recovery tool? Protect Your Linux VMs on Hyper-V Server Data Recover Lost Data Using DiskInternals RAID Recovery DiskInternals RAID Recovery is a professional software application that allows you to recover lost files and...
After removing the old kernels, you can alsoupdate the GRUB bootloaderso that the old ones don’t appear. To update GRUB, run the below command: sudo update-grub Free Space in /boot Manually Using a GUI Tool If you’re more comfortable with using GUI tools instead of the terminal, then...