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[MAN] modules-load

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MODULES-LOAD.D

Section: modules-load.d (5)
Updated:
Index Return to Main Contents
 

NAME

modules-load.d - Configure kernel modules to load at boot  

SYNOPSIS

/etc/modules-load.d/*.conf

/run/modules-load.d/*.conf

/usr/lib/modules-load.d/*.conf  

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.  

CONFIGURATION FORMAT

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

Example 1. /etc/modules-load.d/virtio-net.conf example:

# Load virtio-net.ko at boot
virtio-net
 

SEE ALSO

systemd(1), systemd-modules-load.service(8), systemd-delta(1), modprobe(8)


 

Index

NAME
SYNOPSIS
DESCRIPTION
CONFIGURATION FORMAT
CONFIGURATION DIRECTORIES AND PRECEDENCE
EXAMPLE
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 04:45:53 GMT, September 16, 2022

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