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DRACUT.CONF(5) dracut DRACUT.CONF(5)
NAME
dracut.conf - configuration file(s) for dracut
SYNOPSIS
/etc/dracut.conf /etc/dracut.conf.d/.conf /usr/lib/dracut/dracut.conf.d/.conf
DESCRIPTION
dracut.conf is loaded during the initialisation phase of dracut. Command line parameter
will overwrite any values set here.
*.conf files are read from /usr/lib/dracut/dracut.conf.d and /etc/dracut.conf.d. Files
with the same name in /etc/dracut.conf.d will replace files in
/usr/lib/dracut/dracut.conf.d. The files are then read in alphanumerical order and will
overwrite parameters set in /etc/dracut.conf. Each line specifies an attribute and a
value. A # indicates the beginning of a comment; following characters, up to the end of
the line are not interpreted.
dracut command line options will overwrite any values set here.
Configuration files must have the extension .conf; other extensions are ignored.
Warning
Space-separated lists have to have a leading and trailing space!
dracutmodules+=" <dracut modules> "
Specify a space-separated list of dracut modules to call when building the initramfs.
Modules are located in /usr/lib/dracut/modules.d.
omit_dracutmodules+=" <dracut modules> "
Omit a space-separated list of dracut modules.
add_dracutmodules+=" <dracut modules> "
Add a space-separated list of dracut modules.
drivers+=" <kernel modules> "
Specify a space-separated list of kernel modules to exclusively include in the
initramfs. The kernel modules have to be specified without the ".ko" suffix.
add_drivers+=" <kernel modules> "
Specify a space-separated list of kernel modules to add to the initramfs. The kernel
modules have to be specified without the ".ko" suffix.
force_drivers+=" <list of kernel modules> "
See add_drivers above. But in this case it is ensured that the drivers are tried to be
loaded early via modprobe.
omit_drivers+=" <kernel modules> "
Specify a space-separated list of kernel modules not to add to the initramfs. The
kernel modules have to be specified without the ".ko" suffix.
filesystems+=" <filesystem names> "
Specify a space-separated list of kernel filesystem modules to exclusively include in
the generic initramfs.
drivers_dir="<kernel modules directory>"
Specify the directory, where to look for kernel modules
fw_dir+=" :<dir>[:<dir> ...] "
Specify additional directories, where to look for firmwares, separated by :
install_items+=" <file>[ <file> ...] "
Specify additional files to include in the initramfs, separated by spaces.
install_optional_items+=" <file>[ <file> ...] "
Specify additional files to include in the initramfs, separated by spaces, if they
exist.
do_strip="{yes|no}"
Strip binaries in the initramfs (default=yes)
do_prelink="{yes|no}"
Prelink binaries in the initramfs (default=yes)
hostonly="{yes|no}"
Host-Only mode: Install only what is needed for booting the local host instead of a
generic host and generate host-specific configuration.
hostonly_cmdline"{yes|no}"
If set, store the kernel command line arguments needed in the initramfs
i18n_install_all="{yes|no}"
If set to yes, install all available fonts and keyboard files.
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"
tmpdir="<temporary directory>"
Specify temporary directory to use.
Warning
If chrooted to another root other than the real root device, use --fstab and provide a
valid /etc/fstab.
use_fstab="{yes|no}"
Use /etc/fstab instead of /proc/self/mountinfo.
add_fstab+=" <filename> "
Add entries of <filename> to the initramfs /etc/fstab.
add_device+=" <device> "
Bring up <device> in initramfs, <device> should be the device name. This can be useful
in hostonly mode for resume support when your swap is on LVM an encrypted partition.
mdadmconf="{yes|no}"
Include local /etc/mdadm.conf (default=yes)
lvmconf="{yes|no}"
Include local /etc/lvm/lvm.conf (default=yes)
fscks=" <fsck tools> "
Add a space-separated list of fsck tools. If nothing is specified, the default is:
"umount mount /sbin/fsck* xfs_db xfs_check xfs_repair e2fsck jfs_fsck reiserfsck
btrfsck". The installation is opportunistic (non-existing tools are ignored).
nofscks="{yes|no}"
If specified, inhibit installation of any fsck tools.
ro_mnt="{yes|no}"
Mount / and /usr read-only by default.
kernel_cmdline="parameters"
Specify default kernel command line parameters
kernel_only="{yes|no}"
Only install kernel drivers and firmware files. (default=no)
no_kernel="{yes|no}"
Do not install kernel drivers and firmware files (default=no)
acpi_override="{yes|no}"
[WARNING] ONLY USE THIS IF YOU KNOW WHAT YOU ARE DOING!
Override BIOS provided ACPI tables. For further documentation read
Documentation/acpi/initrd_table_override.txt in the kernel sources. Search for ACPI
table files (must have .aml suffix) in acpi_table_dir= directory (see below) and add
them to a separate uncompressed cpio archive. This cpio archive gets glued
(concatenated, uncompressed one must be the first one) to the compressed cpio archive.
The first, uncompressed cpio archive is for data which the kernel must be able to
access very early (and cannot make use of uncompress alogrithms yet) like microcode or
ACPI tables (default=no).
acpi_table_dir="<dir>"
Directory to search for ACPI tables if acpi_override= is set to yes.
early_microcode="{yes|no}"
Combine early microcode with ramdisk (default=no)
stdloglvl="{0-6}"
Set logging to standard error level.
sysloglvl="{0-6}"
Set logging to syslog level.
fileloglvl="{0-6}"
Set logging to file level.
logfile="<file>"
Path to log file.
show_modules="{yes|no}"
Print the name of the included modules to standard output during build.
*i18n_vars="<variable mapping>"
Distribution specific variable mapping. See dracut/modules.d/10i18n/README for a
detailed description.
i18n_default_font="<fontname>"
The font <fontname> to install, if not specified otherwise. Default is
"LatArCyrHeb-16".
i18n_install_all="{yes|no}"
Install everything regardless of generic or hostonly mode.
FILES
/etc/dracut.conf
Old configuration file. You better use your own file in /etc/dracut.conf.d/.
/etc/dracut.conf.d/
Any /etc/dracut.conf.d/*.conf file can overwrite the values in /etc/dracut.conf. The
configuration files are read in alphanumerical order.
AUTHOR
Harald Hoyer
SEE ALSO
dracut(8) dracut.cmdline(7)
dracut 09/30/2020 DRACUT.CONF(5)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/2.4.6 (CentOS)
Under GNU General Public License
2024-11-27 09:33 @127.0.0.1 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)