Modify the GRUB bootloader settings for this server. Changes will be applied after saving.
The time the boot menu is displayed before automatically booting the default entry.
The default menu entry to boot. Can be a number (e.g., 0 for the first entry) or 'saved'.
Path to a theme file for graphical customization. Leave blank for default.
Set the resolution for the graphical boot menu (e.g., 'auto', '1280x1024').
If checked, generates a flat menu with all kernels listed at the top level.
If checked, GRUB will search for other operating systems (like Windows) and add them to the boot menu.
If checked, the boot menu will be hidden by default. Hold SHIFT during boot to show it.
Password for the GRUB superuser ('root').
Enter the same password again for verification.
If checked, booting entries is allowed without a password, but editing requires one.
Kernel parameters added to the default Linux boot entry.
Kernel parameters added to all Linux boot entries (both normal and recovery).
Defines the terminal for GRUB output. Use 'serial' for serial console.
Configuration for the serial terminal. Only used if 'serial' is in Terminal.
If checked, allows booting from a BTRFS subvolume (common on SLES).
Enables GRUB2 to boot on systems with UEFI Secure Boot enabled.
Updates the NVRAM to store the boot entry. Disable for broken EFI implementations.
Sets the protective MBR flag in the GPT. 'false' may be needed for some BIOS.