--kver [VERSION] Set kernel version to [VERSION].
-f, --force Overwrite existing initramfs file.
+ [OUTPUT_FILE] --rebuild
+ Append the current arguments to those with which the
+ input initramfs image was built. This option helps in
+ incrementally building the initramfs for testing.
+ If optional [OUTPUT_FILE] is not provided, the input
+ initramfs provided to rebuild will be used as output
+ file.
-a, --add [LIST] Add a space-separated list of dracut modules.
- --rebuild Append arguments to those of existing image and rebuild
+ --force-add [LIST] Force to add a space-separated list of dracut modules
+ to the default set of modules, when -H is specified.
+ -o, --omit [LIST] Omit a space-separated list of dracut modules.
-m, --modules [LIST] Specify a space-separated list of dracut modules to
call when building the initramfs. Modules are located
in /usr/lib/dracut/modules.d.
- -o, --omit [LIST] Omit a space-separated list of dracut modules.
- --force-add [LIST] Force to add a space-separated list of dracut modules
- to the default set of modules, when -H is specified.
- -d, --drivers [LIST] Specify a space-separated list of kernel modules to
- exclusively include in the initramfs.
+ This option forces dracut to only include the specified
+ dracut modules.
+ In most cases the --add option is what you want to use.
--add-drivers [LIST] Specify a space-separated list of kernel
modules to add to the initramfs.
- --force-drivers [LIST] Specify a space-separated list of kernel
+ --force-drivers [LIST]
+ Specify a space-separated list of kernel
modules to add to the initramfs and make sure they
are tried to be loaded via modprobe same as passing
rd.driver.pre=DRIVER kernel parameter.
--omit-drivers [LIST] Specify a space-separated list of kernel
modules not to add to the initramfs.
+ -d, --drivers [LIST] Specify a space-separated list of kernel modules to
+ exclusively include in the initramfs.
--filesystems [LIST] Specify a space-separated list of kernel filesystem
modules to exclusively include in the generic
initramfs.
- -k, --kmoddir [DIR] Specify the directory, where to look for kernel
- modules
- --fwdir [DIR] Specify additional directories, where to look for
- firmwares, separated by :
+ -k, --kmoddir [DIR] Specify the directory where to look for kernel
+ modules.
+ --fwdir [DIR] Specify additional colon-separated list of directories
+ where to look for firmware files.
--libdirs [LIST] Specify a space-separated list of directories
where to look for libraries.
- --kernel-only Only install kernel drivers and firmware files
- --no-kernel Do not install kernel drivers and firmware files
- --print-cmdline Print the kernel command line for the given disk layout
- --early-microcode Combine early microcode with ramdisk
- --no-early-microcode Do not combine early microcode with ramdisk
- --kernel-cmdline [PARAMETERS] Specify default kernel command line parameters
- --strip Strip binaries in the initramfs
- --aggresive-strip Strip more than just debug symbol and sections,
- for a smaller initramfs build.
- --nostrip Do not strip binaries in the initramfs
- --hardlink Hardlink files in the initramfs
- --nohardlink Do not hardlink files in the initramfs
- --prefix [DIR] Prefix initramfs files with [DIR]
- --noprefix Do not prefix initramfs files
- --mdadmconf Include local /etc/mdadm.conf
- --nomdadmconf Do not include local /etc/mdadm.conf
- --lvmconf Include local /etc/lvm/lvm.conf
- --nolvmconf Do not include local /etc/lvm/lvm.conf
+ --kernel-only Only install kernel drivers and firmware files.
+ --no-kernel Do not install kernel drivers and firmware files.
+ --print-cmdline Print the kernel command line for the given disk layout.
+ --early-microcode Combine early microcode with ramdisk.
+ --no-early-microcode Do not combine early microcode with ramdisk.
+ --kernel-cmdline [PARAMETERS]
+ Specify default kernel command line parameters.
+ --strip Strip binaries in the initramfs.
+ --aggressive-strip Strip more than just debug symbol and sections,
+ for a smaller initramfs build. The --strip option must
+ also be specified.
+ --nostrip Do not strip binaries in the initramfs.
+ --hardlink Hardlink files in the initramfs.
+ --nohardlink Do not hardlink files in the initramfs.
+ --prefix [DIR] Prefix initramfs files with [DIR].
+ --noprefix Do not prefix initramfs files.
+ --mdadmconf Include local /etc/mdadm.conf file.
+ --nomdadmconf Do not include local /etc/mdadm.conf file.
+ --lvmconf Include local /etc/lvm/lvm.conf file.
+ --nolvmconf Do not include local /etc/lvm/lvm.conf file.
--fscks [LIST] Add a space-separated list of fsck helpers.
--nofscks Inhibit installation of any fsck helpers.
--ro-mnt Mount / and /usr read-only by default.
- -h, --help This message
- --debug Output debug information of the build process
- --profile Output profile information of the build process
+ -h, --help This message.
+ --debug Output debug information of the build process.
+ --profile Output profile information of the build process.
-L, --stdlog [0-6] Specify logging level (to standard error)
0 - suppress any messages
1 - only fatal errors
4 - info
5 - debug info (here starts lots of output)
6 - trace info (and even more)
- -v, --verbose Increase verbosity level
- -q, --quiet Decrease verbosity level
+ -v, --verbose Increase verbosity level.
+ -q, --quiet Decrease verbosity level.
-c, --conf [FILE] Specify configuration file to use.
Default: /etc/dracut.conf
--confdir [DIR] Specify configuration directory to use *.conf files
directory instead of the system-wide installed in
/usr/lib/dracut/modules.d.
Useful when running dracut from a git checkout.
- -H, --hostonly Host-Only mode: Install only what is needed for
- booting the local host instead of a generic host.
- -N, --no-hostonly Disables Host-Only mode
- --hostonly-mode <mode>
- Specify the hostonly mode to use. <mode> could be
- one of "sloppy" or "strict". "sloppy" mode is used
- by default.
- In "sloppy" hostonly mode, extra drivers and modules
- will be installed, so minor hardware change won't make
- the image unbootable (eg. changed keyboard), and the
- image is still portable among similar hosts.
- With "strict" mode enabled, anything not necessary
- for booting the local host in its current state will
- not be included, and modules may do some extra job
- to save more space. Minor change of hardware or
- environment could make the image unbootable.
- DO NOT use "strict" mode unless you know what you
- are doing.
+ -H, --hostonly Host-only mode: Install only what is needed for
+ booting the local host instead of a generic host.
+ -N, --no-hostonly Disables host-only mode.
+ --hostonly-mode [MODE]
+ Specify the host-only mode to use. [MODE] could be
+ one of "sloppy" or "strict". "sloppy" mode is used
+ by default.
+ In "sloppy" host-only mode, extra drivers and modules
+ will be installed, so minor hardware change won't make
+ the image unbootable (e.g. changed keyboard), and the
+ image is still portable among similar hosts.
+ With "strict" mode enabled, anything not necessary
+ for booting the local host in its current state will
+ not be included, and modules may do some extra job
+ to save more space. Minor change of hardware or
+ environment could make the image unbootable.
+ DO NOT use "strict" mode unless you know what you
+ are doing.
--hostonly-cmdline Store kernel command line arguments needed
- in the initramfs
+ in the initramfs.
--no-hostonly-cmdline Do not store kernel command line arguments needed
- in the initramfs
+ in the initramfs.
--no-hostonly-default-device
Do not generate implicit host devices like root,
- swap, fstab, etc. Use "--mount" or "--add-device"
- to explicitly add devices as needed.
+ swap, fstab, etc. Use "--mount" or "--add-device"
+ to explicitly add devices as needed.
--hostonly-i18n Install only needed keyboard and font files according
- to the host configuration (default).
+ to the host configuration (default).
--no-hostonly-i18n Install all keyboard and font files available.
--hostonly-nics [LIST]
- Only enable listed NICs in the initramfs.
+ Only enable listed NICs in the initramfs. The list can
+ be empty, so other modules can install only the
+ necessary network drivers.
--persistent-policy [POLICY]
Use [POLICY] to address disks and partitions.
- POLICY can be any directory name found in /dev/disk.
- E.g. "by-uuid", "by-label"
+ POLICY can be any directory name found in /dev/disk.
+ E.g. "by-uuid", "by-label"
--fstab Use /etc/fstab to determine the root device.
- --add-fstab [FILE] Add file to the initramfs fstab
+ --add-fstab [FILE] Add file to the initramfs fstab.
--mount "[DEV] [MP] [FSTYPE] [FSOPTS]"
Mount device [DEV] on mountpoint [MP] with filesystem
- [FSTYPE] and options [FSOPTS] in the initramfs
+ [FSTYPE] and options [FSOPTS] in the initramfs.
--mount "[MP]" Same as above, but [DEV], [FSTYPE] and [FSOPTS] are
- determined by looking at the current mounts.
- --add-device "[DEV]" Bring up [DEV] in initramfs
+ determined by looking at the current mounts.
+ --add-device "[DEV]" Bring up [DEV] in initramfs.
-i, --include [SOURCE] [TARGET]
Include the files in the SOURCE directory into the
Target directory in the final initramfs.
in the final initramfs.
-I, --install [LIST] Install the space separated list of files into the
initramfs.
- --install-optional [LIST] Install the space separated list of files into the
+ --install-optional [LIST]
+ Install the space separated list of files into the
initramfs, if they exist.
--gzip Compress the generated initramfs using gzip.
This will be done by default, unless another
--zstd Compress the generated initramfs using Zstandard.
Make sure that your kernel has zstd support compiled
in, otherwise you will not be able to boot.
- --compress [COMPRESSION] Compress the generated initramfs with the
+ --compress [COMPRESSION]
+ Compress the generated initramfs with the
passed compression program. Make sure your kernel
knows how to decompress the generated initramfs,
otherwise you will not be able to boot.
- --no-compress Do not compress the generated initramfs. This will
+ --no-compress Do not compress the generated initramfs. This will
override any other compression options.
- --squash-compressor [COMPRESSION] Specify the compressor and compressor
- specific options used by mksquashfs if squash module
- is called when building the initramfs.
+ --squash-compressor [COMPRESSION]
+ Specify the compressor and compressor specific options
+ used by mksquashfs if squash module is called when
+ building the initramfs.
--enhanced-cpio Attempt to reflink cpio file data using dracut-cpio.
--list-modules List all available dracut modules.
-M, --show-modules Print included module's name to standard output during
build.
- --keep Keep the temporary initramfs for debugging purposes
- --printsize Print out the module install size
- --sshkey [SSHKEY] Add ssh key to initramfs (use with ssh-client module)
- --logfile [FILE] Logfile to use (overrides configuration setting)
- --reproducible Create reproducible images
- --no-reproducible Do not create reproducible images
- --loginstall [DIR] Log all files installed from the host to [DIR]
+ --keep Keep the temporary initramfs for debugging purposes.
+ --printsize Print out the module install size.
+ --sshkey [SSHKEY] Add SSH key to initramfs (use with ssh-client module).
+ --logfile [FILE] Logfile to use (overrides configuration setting).
+ --reproducible Create reproducible images.
+ --no-reproducible Do not create reproducible images.
+ --loginstall [DIR] Log all files installed from the host to [DIR].
--uefi Create an UEFI executable with the kernel cmdline and
- kernel combined
- --no-uefi Disables UEFI mode
- --uefi-stub [FILE] Use the UEFI stub [FILE] to create an UEFI executable
+ kernel combined.
+ --no-uefi Disables UEFI mode.
+ --no-machineid Affects the default output filename of the UEFI
+ executable, discarding the <MACHINE_ID> part.
+ --uefi-stub [FILE] Use the UEFI stub [FILE] to create an UEFI executable.
--uefi-splash-image [FILE]
Use [FILE] as a splash image when creating an UEFI
- executable
- --kernel-image [FILE] location of the kernel image
+ executable. Requires bitmap (.bmp) image format.
+ --kernel-image [FILE] Location of the kernel image.
--regenerate-all Regenerate all initramfs images at the default location
- for the kernel versions found on the system
- --version Display version
+ for the kernel versions found on the system.
+ -p, --parallel Use parallel processing if possible (currently only
+ supported --regenerate-all)
+ images simultaneously.
+ --version Display version.
If [LIST] has multiple arguments, then you have to put these in quotes.
TEMP=$(
unset POSIXLY_CORRECT
getopt \
- -o "a:m:o:d:I:k:c:r:L:fvqlHhMN" \
+ -o "a:m:o:d:I:k:c:r:L:fvqlHhMNp" \
--long kver: \
--long add: \
--long force-add: \
--long print-cmdline \
--long kernel-cmdline: \
--long strip \
- --long aggresive-strip \
+ --long aggressive-strip \
--long nostrip \
--long hardlink \
--long nohardlink \
--long keep \
--long printsize \
--long regenerate-all \
+ --long parallel \
--long noimageifnotneeded \
--long early-microcode \
--long no-early-microcode \
early_microcode_l="no"
;;
--strip) do_strip_l="yes" ;;
- --aggresive-strip) aggresive_strip_l="yes" ;;
+ --aggressive-strip) aggressive_strip_l="yes" ;;
--nostrip) do_strip_l="no" ;;
--hardlink) do_hardlink_l="yes" ;;
--nohardlink) do_hardlink_l="no" ;;
;;
--keep) keep="yes" ;;
--printsize) printsize="yes" ;;
- --regenerate-all) regenerate_all="yes" ;;
+ --regenerate-all) regenerate_all_l="yes" ;;
+ -p | --parallel) parallel_l="yes" ;;
--noimageifnotneeded) noimageifnotneeded="yes" ;;
--reproducible) reproducible_l="yes" ;;
--no-reproducible) reproducible_l="no" ;;
[[ $sysroot_l ]] && dracutsysrootdir="$sysroot_l"
-if [[ $regenerate_all == "yes" ]]; then
- ret=0
- if [[ $kernel ]]; then
- printf -- "--regenerate-all cannot be called with a kernel version\n" >&2
- exit 1
- fi
-
- if [[ $outfile ]]; then
- printf -- "--regenerate-all cannot be called with a image file\n" >&2
- exit 1
- fi
-
- ((len = ${#dracut_args[@]}))
- for ((i = 0; i < len; i++)); do
- [[ ${dracut_args[$i]} == "--regenerate-all" ]] \
- && unset dracut_args["$i"]
- done
-
- cd "$dracutsysrootdir"/lib/modules || exit 1
- for i in *; do
- [[ -f $i/modules.dep ]] || [[ -f $i/modules.dep.bin ]] || continue
- "$dracut_cmd" --kver="$i" "${dracut_args[@]}"
- ((ret += $?))
- done
- exit "$ret"
-fi
-
-if ! [[ $kernel ]]; then
- kernel=$(uname -r)
-fi
-
export LC_ALL=C
export LANG=C
unset LC_MESSAGES
else
conffile="$dracutsysrootdir/etc/dracut.conf"
fi
-elif [[ ! -f $conffile ]]; then
+elif [[ ! -e $conffile ]]; then
printf "%s\n" "dracut: Configuration file '$conffile' not found." >&2
exit 1
fi
[[ -e $f ]] && . "$f"
done
+# regenerate_all shouldn't be set in conf files
+regenerate_all=$regenerate_all_l
+if [[ $parallel_l == "yes" ]]; then
+ parallel=yes
+fi
+
+if [[ $regenerate_all == "yes" ]]; then
+ ret=0
+ if [[ $kernel ]]; then
+ printf -- "--regenerate-all cannot be called with a kernel version\n" >&2
+ exit 1
+ fi
+
+ if [[ $outfile ]]; then
+ printf -- "--regenerate-all cannot be called with a image file\n" >&2
+ exit 1
+ fi
+
+ ((len = ${#dracut_args[@]}))
+ for ((i = 0; i < len; i++)); do
+ case ${dracut_args[$i]} in
+ --regenerate-all | --parallel)
+ unset dracut_args["$i"]
+ ;;
+ esac
+ done
+
+ cd "$dracutsysrootdir"/lib/modules || exit 1
+ if [[ $parallel != "yes" ]]; then
+ for i in *; do
+ [[ -f $i/modules.dep ]] || [[ -f $i/modules.dep.bin ]] || continue
+ "$dracut_cmd" --kver="$i" "${dracut_args[@]}"
+ ((ret += $?))
+ done
+ else
+ for i in *; do
+ [[ -f $i/modules.dep ]] || [[ -f $i/modules.dep.bin ]] || continue
+ "$dracut_cmd" --kver="$i" "${dracut_args[@]}" &
+ done
+ while true; do
+ wait -n
+ wst=$?
+ if [[ $wst == 127 ]]; then
+ break
+ else
+ ((ret += wst))
+ fi
+ done
+ fi
+ exit "$ret"
+fi
+
+if ! [[ $kernel ]]; then
+ kernel=$(uname -r)
+fi
+
DRACUT_PATH=${DRACUT_PATH:-/sbin /bin /usr/sbin /usr/bin}
for i in $DRACUT_PATH; do
[[ $drivers_dir_l ]] && drivers_dir=$drivers_dir_l
[[ $do_strip_l ]] && do_strip=$do_strip_l
[[ $do_strip ]] || do_strip=yes
-[[ $aggresive_strip_l ]] && aggresive_strip=$aggresive_strip_l
+[[ $aggressive_strip_l ]] && aggressive_strip=$aggressive_strip_l
[[ $do_hardlink_l ]] && do_hardlink=$do_hardlink_l
[[ $do_hardlink ]] || do_hardlink=yes
[[ $prefix_l ]] && prefix=$prefix_l
[[ $mdadmconf_l ]] && mdadmconf=$mdadmconf_l
[[ $lvmconf_l ]] && lvmconf=$lvmconf_l
[[ $dracutbasedir ]] || dracutbasedir="$dracutsysrootdir"/usr/lib/dracut
-[[ $fw_dir ]] || fw_dir="$dracutsysrootdir/lib/firmware/updates:$dracutsysrootdir/lib/firmware:$dracutsysrootdir/lib/firmware/$kernel"
+[[ $fw_dir ]] || {
+ fw_path_para=$(< /sys/module/firmware_class/parameters/path)
+ fw_dir="${fw_path_para:+$dracutsysrootdir$fw_path_para:}$dracutsysrootdir/lib/firmware/updates/$kernel:$dracutsysrootdir/lib/firmware/updates:$dracutsysrootdir/lib/firmware/$kernel:$dracutsysrootdir/lib/firmware"
+}
[[ $tmpdir_l ]] && tmpdir="$tmpdir_l"
[[ $tmpdir ]] || tmpdir="$TMPDIR"
[[ $tmpdir ]] || tmpdir="$dracutsysrootdir"/var/tmp
outfile="$dracutsysrootdir/lib/modules/${kernel}/initrd"
elif [[ -e $dracutsysrootdir/boot/vmlinuz-${kernel} ]]; then
outfile="$dracutsysrootdir/boot/initramfs-${kernel}.img"
- elif [[ -z $dracutsysrootdir ]] && mountpoint -q /efi; then
+ elif [[ -z $dracutsysrootdir ]] \
+ && [[ $MACHINE_ID ]] \
+ && mountpoint -q /efi; then
outfile="/efi/${MACHINE_ID}/${kernel}/initrd"
- elif [[ -z $dracutsysrootdir ]] && mountpoint -q /boot/efi; then
+ elif [[ -z $dracutsysrootdir ]] \
+ && [[ $MACHINE_ID ]] \
+ && mountpoint -q /boot/efi; then
outfile="/boot/efi/${MACHINE_ID}/${kernel}/initrd"
else
outfile="$dracutsysrootdir/boot/initramfs-${kernel}.img"
# shellcheck disable=SC2154
if [[ $no_kernel != yes ]] && ! [[ -d $srcmods ]]; then
- printf "%s\n" "dracut: Cannot find module directory $srcmods" >&2
- printf "%s\n" "dracut: and --no-kernel was not specified" >&2
+ dfatal "Cannot find module directory $srcmods"
+ dfatal "and --no-kernel was not specified"
exit 1
fi
[[ $do_list == yes ]] && {
for mod in "$dracutbasedir"/modules.d/*; do
[[ -d $mod ]] || continue
- [[ -e $mod/install || -e $mod/installkernel || -e \
- $mod/module-setup.sh ]] || continue
+ [[ -e $mod/install || -e $mod/installkernel || -e $mod/module-setup.sh ]] || continue
printf "%s\n" "${mod##*/??}"
done
exit 0
fi
done
- if [[ $aggresive_strip ]]; then
+ if [[ $aggressive_strip == yes ]]; then
# `eu-strip` and `strip` both strips all unneeded parts by default
strip_args=(-p)
else
"$uefi_stub" "${uefi_outdir}/linux.efi"; then
if [[ -n ${uefi_secureboot_key} && -n ${uefi_secureboot_cert} ]]; then
if sbsign \
+ ${uefi_secureboot_engine:+--engine "$uefi_secureboot_engine"} \
--key "${uefi_secureboot_key}" \
--cert "${uefi_secureboot_cert}" \
--output "$outfile" "${uefi_outdir}/linux.efi"; then
projects / thirdparty / dracut.git / blobdiff