Linux Commands Examples

A great documentation place for Linux commands


generate hashed password for GRUB

see also : grub-mkconfig


grub-mkpasswd-pbkdf2 [OPTION...] [OPTIONS]

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/bin/su \
/sbin/sulogin \
/usr/bin/chfn \
/usr/bin/chsh \
/usr/bin/grub-mkpasswd-pbkdf2 \
/usr/bin/newgrp \


Generate PBKDF2 password hash.
, --iteration-count=NUM

Number of PBKDF2 iterations

-l, --buflen=NUM

Length of generated hash

-s, --salt=NUM

Length of salt

-?, --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-mkpasswd-pbkdf2 is maintained as a Texinfo manual. If the info and grub-mkpasswd-pbkdf2 programs are properly installed at your site, the command

info grub-mkpasswd-pbkdf2

should give you access to the complete manual.

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