BOOTCTL(1) bootctl BOOTCTL(1)
bootctl - Control EFI firmware boot settings and manage boot
loader
bootctl [OPTIONS...] {COMMAND}
bootctl can check the EFI firmware and boot loader status, list
and manage available boot loaders and boot loader entries, and
install, update, or remove the systemd-boot(7) boot loader on the
current system.
These commands are available on any EFI system, regardless of the
boot loader used.
status
Shows brief information about the system firmware, the boot
loader that was used to boot the system, the boot loaders
currently available in the ESP, the boot loaders listed in the
firmware's list of boot loaders and the current default boot
loader entry. If no command is specified, this is the implied
default.
See the example below for details of the output.
Added in version 239.
reboot-to-firmware [BOOL]
Query or set the "Reboot-Into-Firmware-Setup" flag of the EFI
firmware. Takes a boolean argument which controls whether to
show the firmware setup on next system reboot. If the argument
is omitted shows the current status of the flag, or whether
the flag is supported. This controls the same flag as
systemctl reboot --firmware-setup, but is more low-level and
allows setting the flag independently from actually requesting
a reboot.
Hint: use systemctl reboot --firmware-setup to reboot into
firmware setup once. See systemctl(1) for details.
Added in version 251.
These commands are available for all boot loaders that implement
the UAPI.1 Boot Loader Specification[1], such as systemd-boot.
list
Shows all available boot loader entries implementing the
UAPI.1 Boot Loader Specification[1], as well as any other
entries discovered or automatically generated by a boot loader
implementing the Boot Loader Interface[2]. JSON output may be
requested with --json=.
See the example below for details of the output.
Added in version 239.
unlink [ID]
Removes a boot loader entry including the files it refers to.
Takes an optional boot loader entry ID string or a glob
pattern as argument. Referenced files such as the kernel,
initrds, system extensions (sysexts), configuration extensions
(confexts) or credential files are only removed if no other
entry refers to them.
If no ID argument is specified, the --oldest option must be
specified, in which case the boot loader entry with the lowest
version is removed (for robustness reasons the currently
booted menu entry is never removed, nor is the last existing
boot loader entry).
Added in version 253.
link KERNEL
Creates one or more Type #1 boot loader entries pointing to
the specified UKI. Takes the path to a Unified Kernel Image
(UKI) as argument. The UKI is copied into the ESP (or XBOOTLDR
partition if present) below the configured entry token
directory, and one or more Boot Loader Specification[1] Type
#1 entries are generated referring to it (one per UKI profile,
if multiple profiles are embedded).
The title, version, commit number and initial try counter of
the generated entries may be overridden with --entry-title=,
--entry-version=, --entry-commit= and --tries-left=.
Additional sidecar resources (system extension images,
configuration extension images, credential files) to pass to
the UKI at boot may be specified with --extra=.
If the ESP/XBOOTLDR do not have enough free space for the new
boot loader entry and its referenced resources the oldest
existing boot loader entry matching the selected entry token
is removed (along with any resources referenced by it that are
no longer referenced by any other entry). This step is
repeated until the new boot loader entry fits. For robustness
reasons the currently booted boot loader entry is never
removed, nor is the last existing boot loader entry.
By default, the operation refuses to proceed if the resulting
ESP/XBOOTLDR free space would drop below a safety threshold
after automatic removal of older entries completes; use
--keep-free= to adjust.
Added in version 261.
cleanup
Removes files from the ESP and XBOOTLDR partitions that belong
to the entry token but are not referenced in any boot loader
entries.
Added in version 253.
These commands are available for all boot loaders that implement
the UAPI.1 Boot Loader Specification[1] and the Boot Loader
Interface[2], such as systemd-boot.
set-preferred ID, set-default ID, set-oneshot ID, set-sysfail ID
Sets the default boot loader entry. Takes a single boot loader
entry ID string or a glob pattern as argument. The set-oneshot
command will set the default entry only for the next boot,
set-default will set it persistently for all future boots,
set-preferred is like set-default, but is aware of boot
assessment and will skip boot entries that have their
tries-left counter set to zero. The set-sysfail command will
set the boot loader entry to be used in case of a system
failure. System failure (SysFail) boot entries can optionally
modify the automatic selection order in the event of a
failure, such as a boot firmware update failure with the
failure status recorded in the EFI system table.
bootctl list can be used to list available boot loader entries
and their IDs.
In addition, the boot loader entry ID may be specified as one
of: @default, @oneshot or @current, which correspond to the
current default boot loader entry for all future boots, the
current default boot loader entry for the next boot, and the
currently booted boot loader entry. These special IDs are
resolved to the current values of the EFI variables
LoaderEntryDefault, LoaderEntrySysFail, LoaderEntryOneShot and
LoaderEntrySelected, see UAPI.1 Boot Loader Specification[1]
for details. These special IDs are primarily useful as a quick
way to persistently make the currently booted boot loader
entry the default choice, or to upgrade the default boot
loader entry for the next boot to the default boot loader
entry for all future boots, but may be used for other
operations too.
If set to @saved the chosen entry will be saved as an EFI
variable on every boot and automatically selected the next
time the boot loader starts.
When an empty string ("") is specified as the ID, then the
corresponding EFI variable will be unset.
Hint: use systemctl reboot --boot-loader-entry=ID to reboot
into a specific boot entry and systemctl reboot
--boot-loader-menu=timeout to reboot into the boot loader menu
once. See systemctl(1) for details.
Added in version 240.
set-timeout TIMEOUT, set-timeout-oneshot TIMEOUT
Sets the boot loader menu timeout in seconds. The
set-timeout-oneshot command will set the timeout only for the
next boot. See systemd.time(7) for details about the syntax of
time spans.
If this is set to menu-disabled or menu-hidden or 0, no menu
is shown and the default entry will be booted immediately,
while setting this to menu-force disables the timeout while
always showing the menu. When an empty string ("") is
specified the bootloader will revert to its default menu
timeout.
Added in version 250.
These commands manage the systemd-boot EFI boot loader, and do not
work in conjunction with other boot loaders.
install
Installs systemd-boot into the EFI system partition. A copy of
systemd-boot will be stored as the EFI default/fallback loader
at ESP/EFI/BOOT/BOOT*.EFI. The boot loader is then added to
the top of the firmware's boot loader list.
Added in version 239.
update
Updates all installed versions of systemd-boot(7), if the
available version is newer than the version installed in the
EFI system partition. This also includes the EFI
default/fallback loader at ESP/EFI/BOOT/BOOT*.EFI. The boot
loader is then added to end of the firmware's boot loader list
if missing.
Added in version 239.
remove
Removes all installed versions of systemd-boot from the EFI
system partition and the firmware's boot loader list.
Added in version 239.
is-installed
Checks whether systemd-boot is installed in the ESP. Note that
a single ESP might host multiple boot loaders; this hence
checks whether systemd-boot is one (of possibly many)
installed boot loaders — and neither whether it is the default
nor whether it is registered in any EFI variables.
Added in version 243.
random-seed
Generates a random seed and stores it in the EFI System
Partition (ESP), for use by the systemd-boot boot loader. If a
random seed already exists in the ESP it is refreshed. Also
generates a random 'system token' and stores it persistently
as an EFI variable, if one has not been set before. If the
boot loader finds the random seed in the ESP and the system
token in the EFI variable it will derive a random seed to pass
to the OS and a new seed to store in the ESP from the
combination of both. The random seed passed to the OS is
credited to the kernel's entropy pool by the system manager
during early boot, and permits userspace to boot up with an
entropy pool fully initialized very early on. Also see
systemd-boot-random-seed.service(8).
See Random Seeds[3] for further information.
Added in version 243.
kernel-identify KERNEL-IMAGE
Takes a kernel image as argument. Checks what kind of kernel
the image is. Returns one of "uki", "addon", "pe", and
"unknown".
Added in version 253.
kernel-inspect KERNEL-IMAGE
Takes a kernel image as argument. Prints details about the
image.
Added in version 253.
The following options are understood:
--esp-path=
Path to the EFI System Partition (ESP). If not specified,
/efi/, /boot/, and /boot/efi/ are checked in turn. It is
recommended to mount the ESP to /efi/, if possible.
--boot-path=
Path to the Extended Boot Loader partition, as defined in the
UAPI.1 Boot Loader Specification[1]. If not specified, /boot/
is checked. It is recommended to mount the Extended Boot
Loader partition to /boot/, if possible.
--root=root
Takes a directory path as an argument. All paths will be
prefixed with the given alternate root path, including config
search paths.
Added in version 252.
--image=image
Takes a path to a disk image file or block device node. If
specified, all operations are applied to file system in the
indicated disk image. This option is similar to --root=, but
operates on file systems stored in disk images or block
devices. The disk image should either contain just a file
system or a set of file systems within a GPT partition table,
following the UAPI.2 Discoverable Partitions Specification[4].
For further information on supported disk images, see
systemd-nspawn(1)'s switch of the same name.
Added in version 252.
--image-policy=policy
Takes an image policy string as argument, as per
systemd.image-policy(7). The policy is enforced when operating
on the disk image specified via --image=, see above. If not
specified, defaults to the "*" policy, i.e. all recognized
file systems in the image are used.
--install-source=
When installing binaries with --root= or --image=, selects
where to source them from. Takes one of "auto" (the default),
"image" or "host". With "auto" binaries will be picked from
the specified directory or image, and if not found they will
be picked from the host. With "image" or "host" no fallback
search will be performed if the binaries are not found in the
selected source.
Added in version 252.
-p, --print-esp-path
This option modifies the behaviour of status. Only prints the
path to the EFI System Partition (ESP) to standard output and
exits.
Added in version 236.
-x, --print-boot-path
This option modifies the behaviour of status. Only prints the
path to the Extended Boot Loader partition if it exists, and
the path to the ESP otherwise to standard output and exit.
This command is useful to determine where to place boot loader
entries, as they are preferably placed in the Extended Boot
Loader partition if it exists and in the ESP otherwise.
Boot Loader Specification Type #1 entries should generally be
placed in the directory "$(bootctl -x)/loader/entries/".
Existence of that directory may also be used as indication
that boot loader entry support is available on the system.
Similarly, Boot Loader Specification Type #2 entries should be
placed in the directory "$(bootctl -x)/EFI/Linux/".
Note that this option (similarly to the --print-esp-path
option mentioned above), is available independently from the
boot loader used, i.e. also without systemd-boot being
installed.
Added in version 242.
--print-loader-path
This option modifies the behaviour of status: it shows the
absolute path to the boot loader EFI binary used for the
current boot if this information is available. Note that no
attempt is made to verify whether the binary still exists.
Added in version 257.
--print-stub-path
This option modifies the behaviour of status: it shows the
absolute path to the UKI/stub EFI binary used for the current
boot if this information is available. Note that no attempt is
made to verify whether the binary still exists.
Added in version 257.
-R, --print-root-device
Print the path to the block device node backing the root file
system of the local OS. This prints a path such as
/dev/nvme0n1p5. If the root file system is backed by
dm-crypt/LUKS or dm-verity the underlying block device is
returned. If the root file system is backed by multiple block
devices (as supported by btrfs) the operation will fail. If
the switch is specified twice (i.e. -RR) and the discovered
block device is a partition device the "whole" block device it
belongs to is determined and printed (e.g. /dev/nvme0n1). If
the root file system is "tmpfs" (or a similar in-memory file
system), the block device backing /usr/ is returned if
applicable. If the root file system is a network file system
(e.g. NFS, CIFS) the operation will fail.
Added in version 254.
--print-efi-architecture
Print the EFI architecture string of the local firmware. This
is useful to generically format filenames such as bootx64.efi
that include the local firmware architecture in the name.
Added in version 261.
--variables=yes|no|auto
Controls whether to touch the firmware's boot loader list
stored in EFI variables, and other EFI variables. If not
specified or set to auto, EFI variables will not be modified
when execution in a container runtime is detected. yes may be
used to explicit override the check.
Added in version 258.
--random-seed=yes|no
By default, the install command initializes a random seed file
in the ESP. When creating an image it may be desirable to
disable that in order to avoid having the same seed in all
instances.
Added in version 257.
--graceful
Ignore failure when the EFI System Partition cannot be found,
when EFI variables cannot be written, or a different or newer
boot loader is already installed. Currently only applies to
is-installed, update, random-seed and install verbs. Since
version v258, it is implicitly enabled when running inside a
chroot.
Added in version 244.
-q, --quiet
Suppress printing of the results of various commands and also
the hints about ESP being unavailable.
Added in version 251.
--make-entry-directory=yes|no
Controls creation and deletion of the UAPI.1 Boot Loader
Specification[1] Type #1 entry directory on the file system
containing resources such as kernel and initrd images during
install and remove, respectively. The directory is named after
the entry token, as specified with --entry-token= parameter
described below, and is placed immediately below the $BOOT
root directory (i.e. beneath the file system returned by the
--print-boot-path option, see above). Defaults to "no".
Added in version 251.
--entry-token=
Controls how to name and identify boot loader entries for this
OS installation. Accepted during install, and takes one of
"auto", "machine-id", "os-id", "os-image-id" or an arbitrary
string prefixed by "literal:" as argument.
If set to machine-id the entries are named after the machine
ID of the running system (e.g.
"b0e793a9baf14b5fa13ecbe84ff637ac"). See machine-id(5) for
details about the machine ID concept and file.
If set to os-id the entries are named after the OS ID of the
running system, i.e. the ID= field of os-release(5) (e.g.
"fedora"). Similarly, if set to os-image-id the entries are
named after the OS image ID of the running system, i.e. the
IMAGE_ID= field of os-release (e.g.
"vendorx-cashier-system").
If set to auto (the default), the /etc/kernel/entry-token file
will be read if it exists, and the stored value used.
Otherwise, if the local machine ID is initialized it is used.
Otherwise, IMAGE_ID= from os-release will be used, if set.
Otherwise, ID= from os-release will be used, if set.
Unless set to "machine-id", or when --make-entry-directory=yes
is used the selected token string is written to a file
/etc/kernel/entry-token, to ensure it will be used for future
entries. This file is also read by kernel-install(8), in order
to identify under which name to generate boot loader entries
for newly installed kernels, or to determine the entry names
for removing old ones.
Using the machine ID for naming the entries is generally
preferable, however there are cases where using the other
identifiers is a good option. Specifically: if the
identification data that the machine ID entails shall not be
stored on the (unencrypted) $BOOT partition, or if the ID
shall be generated on first boot and is not known when the
entries are prepared. Note that using the machine ID has the
benefit that multiple parallel installations of the same OS
can coexist on the same medium, and they can update their boot
loader entries independently. When using another identifier
(such as the OS ID or the OS image ID), parallel installations
of the same OS would try to use the same entry name. To
support parallel installations, the installer must use a
different entry token when adding a second installation.
Added in version 251.
--all-architectures
Install binaries for all supported EFI architectures (this
implies --variables=no).
Added in version 252.
--efi-boot-option-description=
Description of the entry added to the firmware's boot option
list. Defaults to "Linux Boot Manager".
Using the default entry name "Linux Boot Manager" is generally
preferable as only one bootloader installed to a single ESP
partition should be used to boot any number of OS
installations found on the various disks installed in the
system. Specifically distributions should not use this flag to
install a branded entry in the boot option list. However, in
situations with multiple disks, each with their own ESP
partition, it can be beneficial to make it easier to identify
the bootloader being used in the firmware's boot option menu.
Added in version 252.
--efi-boot-option-description-with-device=
Takes a boolean, defaults to false. Controls whether to append
disk model information to the firmware boot option item
description (as configured with --efi-boot-option-description=
above). This is useful when installing multiple operating
systems on separate disks on the same system, as it ensures
the firmware boot options are discernible and give a hint
which disk is booted into. Note that this uses hardware model
information, and hence might not be too useful in case
multiple disks of an identical model are used.
Added in version 260.
--dry-run
Dry run for unlink and cleanup.
In dry run mode, the unlink and cleanup operations only print
the files that would get deleted without actually deleting
them.
Added in version 253.
--oldest
When used with unlink, selects the oldest installed boot
loader entry matching the boot entry token for removal (rather
than passing an explicit entry ID). This is useful for pruning
older installed boot loader entries. Note that the currently
booted entry is never removed, nor is the last remaining one.
Added in version 261.
--keep-free=BYTES
When used with link, controls the minimum amount of free space
(in bytes) that must remain on the target partition (ESP or
XBOOTLDR) after the new entry has been materialized. The
operation fails if installing the entry would drop the free
space below this threshold. Accepts the usual size suffixes
(K, M, G, ...). If empty, the built-in default is restored. If
set to zero no minimum amount of free space is kept.
Added in version 261.
--entry-title=TITLE
When used with link, specifies the title of the generated boot
loader entry (the "title" field of the Type #1 entry). If not
specified, a title is derived from the UKI's embedded
metadata.
Added in version 261.
--entry-version=VERSION
When used with link, specifies the version string of the
generated boot loader entry (the "version" field of the Type
#1 entry). If not specified, the version is derived from the
UKI's embedded metadata. Used by the boot loader to sort and
select entries.
Added in version 261.
--entry-commit=NR
When used with link, specifies the commit number for the
generated boot loader entry.
Added in version 261.
--extra=PATH, -X PATH
When used with link, registers an additional sidecar resource
file that shall be passed to the UKI at boot. This may be a
system extension image (*.sysext.raw), configuration extension
image (*.confext.raw), or credential file (*.cred). The file
is copied into the ESP/XBOOTLDR alongside the UKI and the boot
loader will load and pass it to the kernel via initrd. This
option may be used multiple times to register more than one
extra resource. If passed an empty argument, all previously
specified extras are cleared.
Added in version 261.
--tries-left=NR
When used with link, initializes the boot counting
"tries-left" counter for the generated entry. If set, the
resulting boot entry file is named according to the boot
counting scheme described in the Automatic Boot Assessment[5]
documentation, so that the boot loader decreases the counter
on each attempted boot and eventually marks the entry as bad.
If not specified, boot counting is not enabled for the
generated entry.
Added in version 261.
--secure-boot-auto-enroll=yes|no, --private-key=PATH/URI,
--private-key-source=TYPE[:NAME], --certificate=PATH,
--certificate-source=TYPE[:NAME]
Configure the ESP for secure boot auto-enrollment when
invoking the install command. Takes a boolean argument.
Disabled by default. Enabling this option will make bootctl
populate the ESP with signed "PK", "KEK" and "db" signature
databases, each containing the given certificate in "DER"
format as their only entry. These secure boot signature
databases will be picked up and enrolled by systemd-boot if
secure boot is in setup mode and secure boot auto-enrollment
is enabled.
When specifying this option, a certificate and private key
have to be provided as well using the --certificate= and
--private-key= options. The --certificate= option takes a path
to a PEM encoded X.509 certificate or a URI that's passed to
the OpenSSL provider configured with --certificate-source
which takes one of "file" or "provider", with the latter being
followed by a specific provider identifier, separated with a
colon, e.g. "provider:pkcs11". The --private-key= option can
take a path or a URI that will be passed to the OpenSSL engine
or provider, as specified by --private-key-source= as a
"type:name" tuple, such as "engine:pkcs11". The specified
OpenSSL signing engine or provider will be used to sign the
EFI signature lists.
Added in version 257.
--no-pager
Do not pipe output into a pager.
--json=MODE
Shows output formatted as JSON. Expects one of "short" (for
the shortest possible output without any redundant whitespace
or line breaks), "pretty" (for a pretty version of the same,
with indentation and line breaks) or "off" (to turn off JSON
output, the default).
-h, --help
Print a short help text and exit.
--version
Print a short version string and exit.
bootctl install and update will look for a systemd-boot file
ending with the ".efi.signed" suffix first, and copy that instead
of the normal ".efi" file. This allows distributions or end-users
to provide signed images for UEFI SecureBoot.
On success, 0 is returned, a non-zero failure code otherwise.
bootctl --print-root-device returns exit status 80 in case the
root file system is not backed by single block device, and other
non-zero exit statuses on other errors.
If $SYSTEMD_RELAX_ESP_CHECKS=1 is set the validation checks for
the ESP are relaxed, and the path specified with --esp-path= may
refer to any kind of file system on any kind of partition.
Similarly, $SYSTEMD_RELAX_XBOOTLDR_CHECKS=1 turns off some
validation checks for the Extended Boot Loader partition.
Example 1. Output from status and list
$ bootctl status
System:
Firmware: UEFI 2.40 (firmware-version) ← firmware vendor and version
Secure Boot: disabled (setup) ← Secure Boot status
TPM2 Support: yes
Boot into FW: supported ← does the firmware support booting into itself
Current Boot Loader: ← details about systemd-boot or another boot loader
Product: systemd-boot version implementing the Boot Loader Interface[2]
Features: ✓ Boot counting
✓ Menu timeout control
✓ One-shot menu timeout control
✓ Default entry control
✓ One-shot entry control
✓ Support for XBOOTLDR partition
✓ Support for passing random seed to OS
✓ Load drop-in drivers
✓ Boot loader sets ESP information
✓ Menu can be disabled
ESP: /dev/disk/by-partuuid/01234567-89ab-cdef-dead-beef00000000
File: └─/EFI/systemd/systemd-bootx64.efi
Random Seed: ← random seed used for entropy in early boot
Passed to OS: yes
System Token: set
Exists: yes
Available Boot Loaders on ESP:
ESP: /boot/efi (/dev/disk/by-partuuid/01234567-89ab-cdef-dead-beef00000000)
File: └─/EFI/systemd/systemd-bootx64.efi (systemd-boot 251
File: └─/EFI/BOOT/BOOTX64.EFI (systemd-boot 251
Boot Loaders Listed in EFI Variables:
Title: Linux Boot Manager
ID: 0x0001
Status: active, boot-order
Partition: /dev/disk/by-partuuid/...
File: └─/EFI/systemd/systemd-bootx64.efi
Title: Fedora
ID: 0x0000
Status: active, boot-order
Partition: /dev/disk/by-partuuid/...
File: └─/EFI/fedora/shimx64.efi
Title: Linux-Firmware-Updater
ID: 0x0002
Status: active, boot-order
Partition: /dev/disk/by-partuuid/...
File: └─/EFI/fedora/fwupdx64.efi
Boot Loader Entries:
$BOOT: /boot/efi (/dev/disk/by-partuuid/01234567-89ab-cdef-dead-beef00000000)
Default Boot Loader Entry:
type: Boot Loader Specification Type #1 (.conf)
title: Fedora Linux 36 (Workstation Edition)
id: ...
source: /boot/efi/loader/entries/entry-token-kernel-version.conf
version: kernel-version
machine-id: ...
linux: /entry-token/kernel-version/linux
initrd: /entry-token/kernel-version/initrd
options: root=...
$ bootctl list
Boot Loader Entries:
type: Boot Loader Specification Type #1 (.conf)
title: Fedora Linux 36 (Workstation Edition) (default) (selected)
id: ...
source: /boot/efi/loader/entries/entry-token-kernel-version.conf
version: kernel-version
machine-id: ...
linux: /entry-token/kernel-version/linux
initrd: /entry-token/kernel-version/initrd
options: root=...
type: Boot Loader Specification Type #2 (.efi)
title: Fedora Linux 35 (Workstation Edition)
id: ...
source: /boot/efi/EFI/Linux/fedora-kernel-version.efi
version: kernel-version
machine-id: ...
linux: /EFI/Linux/fedora-kernel-version.efi
options: root=...
type: Automatic
title: Reboot Into Firmware Interface
id: auto-reboot-to-firmware-setup
source: /sys/firmware/efi/efivars/LoaderEntries-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
In the listing, "(default)" specifies the entry that will be used
by default, and "(selected)" specifies the entry that was selected
the last time (i.e. is currently running).
systemd-boot(7), UAPI.1 Boot Loader Specification[1], Boot Loader
Interface[2], systemd-boot-random-seed.service(8)
1. UAPI.1 Boot Loader Specification
https://uapi-group.org/specifications/specs/boot_loader_specification
2. Boot Loader Interface
https://systemd.io/BOOT_LOADER_INTERFACE
3. Random Seeds
https://systemd.io/RANDOM_SEEDS
4. UAPI.2 Discoverable Partitions Specification
https://uapi-group.org/specifications/specs/discoverable_partitions_specification
5. Automatic Boot Assessment
https://systemd.io/AUTOMATIC_BOOT_ASSESSMENT
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manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a
bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
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systemd 261~rc1 BOOTCTL(1)
Pages that refer to this page: systemctl(1), systemd-sbsign(1), loader.conf(5), kernel-command-line(7), systemd-boot(7), systemd.directives(7), systemd.index(7), systemd-stub(7), systemd-boot-clear-sysfail.service(8), systemd-boot-random-seed.service(8), systemd-pcrlock(8), systemd-random-seed.service(8), systemd-sysinstall(8)