grub-install.real (GRUB) 2.02~beta3-4ubuntu6

Usage: grub-install.real [OPTION...] [OPTION] [INSTALL_DEVICE] Install GRUB on your drive. --compress=no|xz|gz|lzo compress GRUB files [optional] -d, --directory=DIR use images and modules under DIR [default=/usr/lib/grub/<platform>] --fonts=FONTS install FONTS [default=unicode] --install-modules=MODULES install only MODULES and their dependencies [default=all] -k, --pubkey=FILE embed FILE as public key for signature checking --locale-directory=DIR use translations under DIR [default=/usr/share/locale] --locales=LOCALES install only LOCALES [default=all] --modules=MODULES pre-load specified modules MODULES --themes=THEMES install THEMES [default=starfield] -v, --verbose print verbose messages. --allow-floppy make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes. --boot-directory=DIR install GRUB images under the directory DIR/grub instead of the boot/grub directory --bootloader-id=ID the ID of bootloader. This option is only available on EFI and Macs. --core-compress=xz|none|auto choose the compression to use for core image --disk-module=MODULE disk module to use (biosdisk or native). This option is only available on BIOS target. --efi-directory=DIR use DIR as the EFI System Partition root. --force install even if problems are detected --force-file-id use identifier file even if UUID is available --label-bgcolor=COLOR use COLOR for label background --label-color=COLOR use COLOR for label --label-font=FILE use FILE as font for label --macppc-directory=DIR use DIR for PPC MAC install. --no-bootsector do not install bootsector --no-extra-removable Do not install bootloader code to the removable path. This option is only available on EFI. --no-nvram don't update the `boot-device'/`Boot*' NVRAM variables. This option is only available on EFI and IEEE1275 targets. --no-rs-codes Do not apply any reed-solomon codes when embedding core.img. This option is only available on x86 BIOS targets. --no-uefi-secure-boot do not install an image usable with UEFI Secure Boot, even if the system was currently started using it. This option is only available on EFI. --product-version=STRING use STRING as product version --recheck delete device map if it already exists --removable the installation device is removable. This option is only available on EFI. -s, --skip-fs-probe do not probe for filesystems in DEVICE --target=TARGET install GRUB for TARGET platform [default=i386-pc]; available targets: arm-efi, arm-uboot, arm64-efi, i386-coreboot, i386-efi, i386-ieee1275, i386-multiboot, i386-pc, i386-qemu, i386-xen, ia64-efi, mips-arc, mips-qemu_mips, mipsel-arc, mipsel-loongson, mipsel-qemu_mips, powerpc-ieee1275, sparc64-ieee1275, x86_64-efi, x86_64-xen --uefi-secure-boot install an image usable with UEFI Secure Boot. This option is only available on EFI and if the grub-efi-amd64-signed package is installed. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. INSTALL_DEVICE must be system device filename. grub-install.real copies GRUB images into boot/grub. On some platforms, it may also install GRUB into the boot sector. Report bugs to <bug-grub@gnu.org>.