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121 lines
5.3 KiB
XML
121 lines
5.3 KiB
XML
<?xml version="1.0"?>
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<!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="modules-load.d">
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<refentryinfo>
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<title>modules-load.d</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>modules-load.d</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>modules-load.d</refname>
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<refpurpose>Configure kernel modules to load at boot</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/modules-load.d/*.conf</filename></para>
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<para><filename>/run/modules-load.d/*.conf</filename></para>
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<para><filename>/usr/lib/modules-load.d/*.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><citerefentry><refentrytitle>systemd-modules-load.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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reads files from the above directories which contain
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kernel modules to load during boot in a static list.
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Each configuration file is named in the style of
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<filename>/etc/modules-load.d/<program>.conf</filename>. Note
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that it is usually a better idea to rely on the
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automatic module loading by PCI IDs, USB IDs, DMI IDs
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or similar triggers encoded in the kernel modules
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themselves instead of static configuration like
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this. In fact, most modern kernel modules are prepared
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for automatic loading already.</para>
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</refsect1>
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<refsect1>
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<title>Configuration Format</title>
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<para>The configuration files should simply contain a
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list of kernel module names to load, separated by
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newlines. Empty lines and lines whose first
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non-whitespace character is # or ; are ignored.</para>
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<para>Each configuration file shall be named in the
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style of <filename><program>.conf</filename>.
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Files in <filename>/etc/</filename> override files
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with the same name in <filename>/usr/lib/</filename>
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and <filename>/run/</filename>. Files in
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<filename>/run/</filename> override files with the
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same name in <filename>/usr/lib/</filename>. Packages
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should install their configuration files in
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<filename>/usr/lib/</filename>, files in
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<filename>/etc/</filename> are reserved for the local
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administrator, who may use this logic to override the
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configuration files installed from vendor
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packages.</para>
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<para>If the administrator wants to disable a
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configuration file supplied by the vendor the
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recommended way is to place a symlink to
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<filename>/dev/null</filename> in
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<filename>/etc/modules-load.d/</filename> bearing the
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same file name.</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<example>
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<title>/etc/modules-load.d/virtio-net.conf example:</title>
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<programlisting># Load virtio-net.ko at boot
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virtio-net</programlisting>
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</example>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-modules-load.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>modprobe</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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