GRand Unified Bootloader(GRUB) is adefault bootloaderin all Unix-like operating systems. As promised in our earlier article “How to reset a forgotten root password“, here we are going to review how to protectGRUBwith a password. As we mentioned before, someone can log in to single-user m...
This tutorial covers two ways to resolve GRUB boot issues: theGRUB Rescue promptand theBoot Repair tool. Via GRUB Terminal GRUB Terminal features commands that help diagnose and fix boot-related issues. Proceed with the steps below to fix the system's bootloader via GRUB Terminal: 1. Use the...
Where "x.x.x-x" represents the kernel version. Replace it with the actual version number you want to remove. Repeat this command for each kernel you want to uninstall. 4. Update the GRUB boot loader After removing the old kernels, you should update the GRUB boot loader configuration to r...
To unhide menu, remove the GRUB_DISABLE_OS_PROBER line and change 'hidden' into 'menu' without ticks for GRUB_TIMEOUT_STYLE. Hiding Entries You might want to make an entry disappear from bootloader. To do so, you edit grub.cfg file as the following example. Step 1. Open the configurati...
Read:How to restore GRUB Bootloader in Ubuntu How to Boot Ubuntu into Recovery Mode To boot Ubuntu into recovery mode, you need to access the GRUB boot menu first. GRUB is the program that loads Ubuntu and other operating systems on your computer. To access the GRUB menu, you need to re...
You now know the physical and logical structure of a Linux system, what the kernel is, and how to work with processes. This chapter will teach you how the kerne...
This Operating System reinstall option is used to restore the computer to its original factory settings from a partition on your Hard Drive. Restart your computer. Press the SPACE BAR key once after you see the Dell logo to invoke the Grand Unified Bootloader (GRUB)...
Hurrah! You’ve successfully accessed your Linux system once again. It might seem like the system is easy to exploit, but that’s not the case. The key is to properly configure your system to enhance its security. Password Protecting the GRUB Bootloader ...
You now know the physical and logical structure of a Linux system, what the kernel is, and how to work with processes. This chapter will teach you ...
The UEFI bootloader must then pass the control to the Windows Boot Loader file\Windows\system32\winload.efionpartition=C: Reboot your computer (use thewpeutil rebootcommand in order to reboot from the WinPE environment) and remove the bootable USB flash drive. ...