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NAME | SYNOPSIS | DESCRIPTION | CONFIGURATION FORMAT | CONFIGURATION DIRECTORIES AND PRECEDENCE | EXAMPLE | SEE ALSO | COLOPHON |
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MODULES-LOAD.D(5) modules-load.d MODULES-LOAD.D(5)
modules-load.d - Configure kernel modules to load at boot
/etc/modules-load.d/*.conf
/run/modules-load.d/*.conf
/usr/lib/modules-load.d/*.conf
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 files are read from directories in /etc/, /run/,
/usr/local/lib/, and /usr/lib/, in order of precedence, as listed
in the SYNOPSIS section above. Files must have the ".conf"
extension. Files in /etc/ override files with the same name in
/run/, /usr/local/lib/, and /usr/lib/. Files in /run/ override
files with the same name under /usr/.
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. Thus, the configuration in a certain file may either
be replaced completely (by placing a file with the same name in a
directory with higher priority), or individual settings might be
changed (by specifying additional settings in a file with a
different name that is ordered later).
Packages should install their configuration files in /usr/lib/
(distribution packages) or /usr/local/lib/ (local installs).
Files in /etc/ are reserved for the local administrator, who may
use this logic to override the configuration files installed by
vendor packages. 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
virtio-net
systemd(1), systemd-modules-load.service(8), systemd-delta(1),
modprobe(8)
This page is part of the systemd (systemd system and service
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
⟨https://github.com/systemd/systemd.git⟩ on 2022-12-17. (At that
time, the date of the most recent commit that was found in the
repository was 2022-12-16.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 252 MODULES-LOAD.D(5)
Pages that refer to this page: sysctl.d(5), systemd.directives(7), systemd.index(7), systemd-modules-load.service(8)
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