mirror of
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518 lines
18 KiB
XML
518 lines
18 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"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<refentry id="modprobe">
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<refentryinfo>
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<title>modprobe</title>
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<productname>kmod</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Jon</firstname>
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<surname>Masters</surname>
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<email>jcm@jonmasters.org</email>
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</author>
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<author>
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<contrib>Developer</contrib>
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<firstname>Robby</firstname>
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<surname>Workman</surname>
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<email>rworkman@slackware.com</email>
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</author>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lucas</firstname>
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<surname>De Marchi</surname>
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<email>lucas.de.marchi@gmail.com</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>modprobe</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>modprobe</refname>
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<refpurpose>Add and remove modules from the Linux Kernel</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>modprobe</command>
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<arg><option>-v</option></arg>
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<arg><option>-V</option></arg>
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<arg><option>-C <replaceable>config-file</replaceable></option></arg>
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<arg><option>-n</option></arg>
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<arg><option>-i</option></arg>
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<arg><option>-q</option></arg>
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<arg><option>-b</option></arg>
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<arg><replaceable>modulename</replaceable></arg>
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<arg rep='repeat'><option><replaceable>module parameters</replaceable></option></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>modprobe</command>
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<arg>-r</arg>
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<arg><option>-v</option></arg>
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<arg><option>-n</option></arg>
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<arg><option>-i</option></arg>
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<arg rep='repeat'><option><replaceable>modulename</replaceable></option></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>modprobe</command>
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<arg>-c</arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>modprobe</command>
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<arg>--dump-modversions</arg> <arg><replaceable>filename</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>modprobe</command> intelligently adds or removes a
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module from the Linux kernel: note that for convenience, there
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is no difference between _ and - in module names (automatic
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underscore conversion is performed).
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<command>modprobe</command> looks in the module directory
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<filename>/lib/modules/`uname -r`</filename> for all
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the modules and other files, except for the optional
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configuration files in the
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<filename>/etc/modprobe.d</filename> directory
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(see <citerefentry>
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<refentrytitle>modprobe.d</refentrytitle><manvolnum>5</manvolnum>
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</citerefentry>). <command>modprobe</command> will also use module
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options specified on the kernel command line in the form of
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<module>.<option> and blacklists in the form of
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modprobe.blacklist=<module>.
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</para>
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<para>
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Note that unlike in 2.4 series Linux kernels (which are not supported
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by this tool) this version of <command>modprobe</command> does not
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do anything to the module itself: the work of resolving symbols
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and understanding parameters is done inside the kernel. So
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module failure is sometimes accompanied by a kernel message: see
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<citerefentry>
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<refentrytitle>dmesg</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>.
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</para>
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<para>
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<command>modprobe</command> expects an up-to-date
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<filename>modules.dep.bin</filename> file as generated
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by the corresponding <command>depmod</command> utility shipped
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along with <command>modprobe</command> (see
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<citerefentry><refentrytitle>depmod</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>). This file lists what other modules each
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module needs (if any), and <command>modprobe</command> uses this
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to add or remove these dependencies automatically.
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</para>
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<para>
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If any arguments are given after the
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<replaceable>modulename</replaceable>, they are passed to the
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kernel (in addition to any options listed in the configuration
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file).
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</para>
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</refsect1>
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<refsect1><title>OPTIONS</title>
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<variablelist>
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<varlistentry>
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<term>
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<option>-a</option>
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</term>
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<term>
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<option>--all</option>
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</term>
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<listitem>
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<para>Insert all module names on the command line.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-b</option>
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</term>
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<term>
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<option>--use-blacklist</option>
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</term>
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<listitem>
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<para>
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This option causes <command>modprobe</command> to apply the
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<command>blacklist</command> commands in the configuration files
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(if any) to module names as well. It is usually used by
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<citerefentry>
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<refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
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</citerefentry>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-C</option>
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</term>
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<term>
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<option>--config</option>
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</term>
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<listitem>
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<para>This option overrides the default configuration directory
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(<filename>/etc/modprobe.d</filename>).
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</para>
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<para>
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This option is passed through <command>install</command>
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or <command>remove</command> commands to other
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<command>modprobe</command> commands in the
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MODPROBE_OPTIONS environment variable.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-c</option>
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</term>
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<term>
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<option>--showconfig</option>
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</term>
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<listitem>
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<para>
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Dump out the effective configuration from the config directory and
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exit.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--dump-modversions</option>
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</term>
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<listitem>
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<para>
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Print out a list of module versioning information required by a
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module. This option is commonly used by distributions in order to
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package up a Linux kernel module using module versioning deps.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-d</option>
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</term>
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<term>
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<option>--dirname</option>
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</term>
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<listitem>
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<para>
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Root directory for modules, <filename>/</filename> by default.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--first-time</option>
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</term>
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<listitem>
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<para>
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Normally, <command>modprobe</command> will succeed (and do
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nothing) if told to insert a module which is already
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present or to remove a module which isn't present. This is
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ideal for simple scripts; however, more complicated scripts often
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want to know whether <command>modprobe</command> really
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did something: this option makes modprobe fail in the
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case that it actually didn't do anything.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--force-vermagic</option>
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</term>
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<listitem>
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<para>
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Every module contains a small string containing important
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information, such as the kernel and compiler versions. If a module
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fails to load and the kernel complains that the "version magic"
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doesn't match, you can use this option to remove it. Naturally,
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this check is there for your protection, so this using option is
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dangerous unless you know what you're doing.
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</para>
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<para>
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This applies to any modules inserted: both the module (or alias) on
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the command line and any modules on which it depends.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--force-modversion</option>
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</term>
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<listitem>
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<para>
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When modules are compiled with CONFIG_MODVERSIONS set, a section
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detailing the versions of every interfaced used by (or supplied by)
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the module is created. If a module fails to load and the kernel
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complains that the module disagrees about a version of some
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interface, you can use "--force-modversion" to remove the version
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information altogether. Naturally, this check is there for your
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protection, so using this option is dangerous unless you know what
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you're doing.
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</para>
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<para>
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This applies any modules inserted: both the module (or alias) on
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the command line and any modules on which it depends.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-f</option>
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</term>
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<term>
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<option>--force</option>
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</term>
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<listitem>
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<para>
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Try to strip any versioning information from the module which might
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otherwise stop it from loading: this is the same as using both
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<option>--force-vermagic</option> and
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<option>--force-modversion</option>. Naturally, these checks are
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there for your protection, so using this option is dangerous unless
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you know what you are doing.
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</para>
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<para>
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This applies to any modules inserted: both the module (or alias) on
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the command line and any modules it on which it depends.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-i</option>
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</term>
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<term>
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<option>--ignore-install</option>
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</term>
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<term>
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<option>--ignore-remove</option>
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</term>
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<listitem>
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<para>
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This option causes <command>modprobe</command> to ignore
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<command>install</command> and <command>remove</command> commands
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in the configuration file (if any) for the module specified on the
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command line (any dependent modules are still subject to commands
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set for them in the configuration file). Both
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<command>install</command> and <command>remove</command> commands
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will currently be ignored when this option is used regardless of
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whether the request was more specifically made with only one or
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other (and not both) of <option>--ignore-install</option> or
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<option>--ignore-remove</option>. See <citerefentry>
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<refentrytitle>modprobe.d</refentrytitle><manvolnum>5</manvolnum>
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</citerefentry>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-n</option>
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</term>
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<term>
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<option>--dry-run</option>
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</term>
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<term>
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<option>--show</option>
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</term>
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<listitem>
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<para>
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This option does everything but actually insert or delete the
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modules (or run the install or remove commands). Combined with
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<option>-v</option>, it is useful for debugging problems. For
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historical reasons both <option>--dry-run</option> and
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<option>--show</option> actually mean the same thing and are
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interchangeable.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-q</option>
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</term>
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<term>
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<option>--quiet</option>
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</term>
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<listitem>
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<para>
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With this flag, <command>modprobe</command> won't print an error
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message if you try to remove or insert a module it can't find (and
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isn't an alias or
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<command>install</command>/<command>remove</command> command).
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However, it will still return with a non-zero exit status. The
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kernel uses this to opportunistically probe for modules which might
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exist using request_module.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-R</option>
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</term>
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<term>
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<option>--resolve-alias</option>
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</term>
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<listitem>
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<para>
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Print all module names matching an alias. This can be useful for
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debugging module alias problems.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-r</option>
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</term>
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<term>
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<option>--remove</option>
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</term>
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<listitem>
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<para>
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This option causes <command>modprobe</command> to remove rather
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than insert a module. If the modules it depends on are also
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unused, <command>modprobe</command> will try to remove them too.
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Unlike insertion, more than one module can be specified on the
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command line (it does not make sense to specify module parameters
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when removing modules).
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</para>
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<para>
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There is usually no reason to remove modules, but some buggy
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modules require it. Your distribution kernel may not have been
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built to support removal of modules at all.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-S</option>
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</term>
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<term>
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<option>--set-version</option>
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</term>
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<listitem>
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<para>
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Set the kernel version, rather than using
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<citerefentry><refentrytitle>uname</refentrytitle><manvolnum>2</manvolnum></citerefentry>
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to decide on the kernel version (which dictates where to find the
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modules).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--show-depends</option>
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</term>
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<listitem>
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<para>
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List the dependencies of a module (or alias), including the module
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itself. This produces a (possibly empty) set of module filenames,
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one per line, each starting with "insmod" and is typically used by
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distributions to determine which modules to include when generating
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initrd/initramfs images. <command>Install</command> commands which
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apply are shown prefixed by "install". It does not run any of the
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install commands. Note that
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<citerefentry><refentrytitle>modinfo</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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can be used to extract dependencies of a module from the module
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itself, but knows nothing of aliases or install commands.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-s</option>
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</term>
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<term>
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<option>--syslog</option>
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</term>
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<listitem>
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<para>
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This option causes any error messages to go through the syslog
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mechanism (as LOG_DAEMON with level LOG_NOTICE) rather than to
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standard error. This is also automatically enabled when stderr is
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unavailable.
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</para>
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<para>
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This option is passed through <command>install</command> or
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<command>remove</command> commands to other
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<command>modprobe</command> commands in the MODPROBE_OPTIONS
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environment variable.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-V</option>
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</term>
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<term>
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<option>--version</option>
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</term>
|
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<listitem>
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<para>Show version of program and exit.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-v</option>
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</term>
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<term>
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<option>--verbose</option>
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</term>
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<listitem>
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<para>
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Print messages about what the program is doing. Usually
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<command>modprobe</command> only prints messages if something goes
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wrong.
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</para>
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<para>
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This option is passed through <command>install</command> or
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<command>remove</command> commands to other
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<command>modprobe</command> commands in the MODPROBE_OPTIONS
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environment variable.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
|
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|
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<refsect1><title>ENVIRONMENT</title>
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<para>
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The MODPROBE_OPTIONS environment variable can also be used to pass
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arguments to <command>modprobe</command>.
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</para>
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</refsect1>
|
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<refsect1><title>COPYRIGHT</title>
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|
<para>
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|
This manual page originally Copyright 2002, Rusty Russell, IBM
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Corporation. Maintained by Jon Masters and others.
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</para>
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|
</refsect1>
|
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|
|
<refsect1>
|
|
<title>SEE ALSO</title>
|
|
<para>
|
|
<citerefentry>
|
|
<refentrytitle>modprobe.d</refentrytitle><manvolnum>5</manvolnum>
|
|
</citerefentry>,
|
|
<citerefentry>
|
|
<refentrytitle>insmod</refentrytitle><manvolnum>8</manvolnum>
|
|
</citerefentry>,
|
|
<citerefentry>
|
|
<refentrytitle>rmmod</refentrytitle><manvolnum>8</manvolnum>
|
|
</citerefentry>,
|
|
<citerefentry>
|
|
<refentrytitle>lsmod</refentrytitle><manvolnum>8</manvolnum>
|
|
</citerefentry>,
|
|
<citerefentry>
|
|
<refentrytitle>modinfo</refentrytitle><manvolnum>8</manvolnum>
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|
</citerefentry>
|
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</para>
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</refsect1>
|
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</refentry>
|