8. System administration commands (usually only for root)

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UNMKINITRAMFS

Section: unmkinitramfs manual (8)
Updated: 2016/02/09
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NAME

unmkinitramfs - extract content from an initramfs image

 

SYNOPSIS

unmkinitramfs [options] <initramfsfile> <directory>

 

DESCRIPTION

The unmkinitramfs command extracts the content of a given initramfs image using cpio. If the image contains multiple segments, each are passed to cpio in order.

 

OPTIONS

-h
Display usage information and exit.

-v
Display verbose messages about extraction.

 

USAGE EXAMPLES

Extract initramfs content of current running kernel:

unmkinitramfs /boot/initrd.img-$(uname -r) initramfs/

 

BUGS

unmkinitramfs cannot deal with multiple-segmented initramfs images, except where an early (uncompressed) initramfs with system firmware is prepended to the regular compressed initramfs.

 

AUTHOR

The initramfs-tools are written by Maximilian Attems <maks@debian.org> and numerous others.

 

SEE ALSO

initramfs-tools(8), lsinitramfs(8), mkinitramfs(8), update-initramfs(8).


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
USAGE EXAMPLES
BUGS
AUTHOR
SEE ALSO

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