Linux GRUB Boot Loader Explained: Manage Kernels and Multi-OS Boot - Episode 96
"Welcome back to our Linux course series!
In this episode, we’re exploring the GRUB boot loader, a crucial part of your Linux boot process. GRUB, short for Grand Unified Bootloader, is what lets your system find the kernel and the operating system you want to boot.
We’ll cover:
• What the GRUB Boot Loader does and why it’s important
• How to manage boot options, including selecting different Linux kernels
• How to handle multiple operating systems on a single machine
• Where the GRUB configuration file is located (/boot/grub2/grub.cfg)
• How to temporarily edit boot parameters during startup by pressing E
• How to use the boot parameters manual (man bootparam) to customize your boot
💡 Tip: GRUB makes it easy to experiment with kernel options or troubleshoot boot issues without permanently changing your system configuration.
Example Commands and Tips:
GRUB configuration file location
cat /boot/grub2/grub.cfg
Temporarily edit boot parameters
Press E at GRUB menu to modify boot options
Check available boot parameters
man bootparam
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#GRUB #LinuxBoot #BootLoader #LinuxKernel #MultiOS #SystemAdmin #LinuxTips #GRUB2 #LinuxServer #BootManagement"