$ Linux Command

System

grub2-mkconfig

Generate a GRUB 2 bootloader configuration.

systemadmininspect

Additional Notes

grub2-mkconfig is a system command used to generate a GRUB 2 bootloader configuration. It scans installed kernels and generates the GRUB configuration file (/boot/grub2/grub.cfg). Run it after installing a new kernel or changing GRUB options in /etc/default/grub.

Syntax

grub2-mkconfig [options] [arguments]

Parameters

  • options: Flags that change how grub2-mkconfig behaves.

Common Options

  • --help: Show command help when supported.
  • --version: Show version information when supported.

Examples

grub2-mkconfig --help
man grub2-mkconfig

Practical Notes

Options can vary by distribution and package version. Use man grub2-mkconfig, grub2-mkconfig --help, or the package documentation for exact syntax.