SYSTEMD-MODULES-LOAD.SERVICE(8) systemd-modules-load.service SYSTEMD-MODULES-LOAD.SERVICE(8)NAME
systemd-modules-load.service, systemd-modules-load - Load kernel modules at boot
systemd-modules-load.service is an early boot service that loads kernel modules based on static configuration.
See modules-load.d(5) for information about the configuration of this service.
KERNEL COMMAND LINE
systemd-modules-load.service understands the following kernel command line parameters:
Takes a comma-separated list of kernel modules to statically load during early boot. The option prefixed with "rd." is read by the
initial RAM disk only.
SEE ALSO systemd(1), modules-load.d(5),
Check Out this Related Man Page
MODULES-LOAD.D(5) modules-load.d MODULES-LOAD.D(5)NAME
modules-load.d - Configure kernel modules to load at boot
DESCRIPTION systemd-modules-load.service(8) reads files from the above directories which contain kernel modules to load during boot in a static list.
Each configuration file is named in the style of /etc/modules-load.d/program.conf. Note that it is usually a better idea to rely on the
automatic module loading by PCI IDs, USB IDs, DMI IDs or similar triggers encoded in the kernel modules themselves instead of static
configuration like this. In fact, most modern kernel modules are prepared for automatic loading already.
The configuration files should simply contain a list of kernel module names to load, separated by newlines. Empty lines and lines whose
first non-whitespace character is # or ; are ignored.
CONFIGURATION DIRECTORIES AND PRECEDENCE
Configuration files are read from directories in /etc/, /run/, and /lib/, in order of precedence. Each configuration file in these
configuration directories shall be named in the style of filename.conf. Files in /etc/ override files with the same name in /run/ and
/lib/. Files in /run/ override files with the same name in /lib/.
Packages should install their configuration files in /lib/. Files in /etc/ are reserved for the local administrator, who may use this logic
to override the configuration files installed by vendor packages. All configuration files are sorted by their filename in lexicographic
order, regardless of which of the directories they reside in. If multiple files specify the same option, the entry in the file with the
lexicographically latest name will take precedence. It is recommended to prefix all filenames with a two-digit number and a dash, to
simplify the ordering of the files.
If the administrator wants to disable a configuration file supplied by the vendor, the recommended way is to place a symlink to /dev/null
in the configuration directory in /etc/, with the same filename as the vendor configuration file. If the vendor configuration file is
included in the initrd image, the image has to be regenerated.
Example 1. /etc/modules-load.d/virtio-net.conf example:
# Load virtio-net.ko at boot
SEE ALSO systemd(1), systemd-modules-load.service(8), systemd-delta(1), modprobe(8)systemd 237MODULES-LOAD.D(5)