Linux Commands Examples

A great documentation place for Linux commands


probe device information for GRUB

see also : grub-fstest


grub-probe [OPTION...] [OPTION]... [PATH|DEVICE]

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for device in $BOOT_DEVICE; do
GROOT=$($ROOTCMD grub-probe -tdrive -d $device)
$ROOTCMD grub-install --no-floppy --modules="lvm raid" "$GROOT"
GROOT=$($ROOTCMD grub-probe -tdrive -d $BOOT_DEVICE)
# see
GROOT=$(echo $GROOT | sed 's:md/:md:g')


Probe device information for a given path (or device, if the -d option is given).
, --device

given argument is a system device, not a path

-m, --device-map=FILE

use FILE as the device map [default=/boot/grub/]


print filesystem module, GRUB drive, system device, partition map module, abstraction module or cryptographic container UUID [default=fs]

-v, --verbose

print verbose messages.

-?, --help

give this help list


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.

reporting bugs

Report bugs to <bug-grub[:at:]gnu[:dot:]org>.

see also


The full documentation for grub-probe is maintained as a Texinfo manual. If the info and grub-probe programs are properly installed at your site, the command

info grub-probe

should give you access to the complete manual.

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