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...
we might need a longer timeout so we can select the right operating system to boot. Otherwise, GRUB will boot the default entry, and we’ll have to restart the system to start the bootloader again.
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...
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 ...
Lastly, insert your Windows recovery disc (orrecovery USB drive) and boot from it. Choose "Repair Your Computer," go to "Troubleshoot," and then enter a Command Prompt. Type the following command: bootrec.exe /fixmbr This will remove Linux's bootloader and replace it with Windows'. ...
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...
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...
How do I remove the Linux Boot Loader?You don't actually uninstall a boot loader but replace it with another. You cannot get Ubuntu to start on a Windows' boot loader, it needs to be GRUB (or an open source equivalent).Any ways, to get the Windows' boot loader back up, you need ...
How do I remove the Linux Boot Loader? You don't actually uninstall a boot loader but replace it with another. You cannot get Ubuntu to start on a Windows' boot loader, it needs to be GRUB (or an open source equivalent). Any ways, to get the Windows' boot loader ...
This simple action will effectively uninstall Ubuntu from your PC. The GRUB 2.0 bootloader will also be gone, which means no more operating system selection screen. However, it also means that there is no means to boot the remaining OS. ...