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mariotpc/upgrade grub.cfg to boot Linux after change the Kernel Parameters

Created January 2, 2023 17:46
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upgrade grub.cfg to boot Linux after change the Kernel Parameters
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upgrade grub.cfg to boot Linux after change the Kernel Parameters
Per the RedHat documentation:
Changes to /etc/default/grub require rebuilding the grub.cfg file as follows:
On BIOS-based machines, issue the following command as root:
~]# grub2-mkconfig -o /boot/grub2/grub.cfg
On UEFI-based machines, issue the following command as root:
~]# grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
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