source: BOOK/final-system/common/module-init-tools.xml@ 91d85dd

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;
]>

<sect1 id="ch-system-module-init-tools" role="wrap">
  <?dbhtml filename="module-init-tools.html"?>

  <title>Module-Init-Tools-&module-init-tools-version;</title>

  <indexterm zone="ch-system-module-init-tools">
    <primary sortas="a-Module-Init-Tools">Module-Init-Tools</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Module-Init-Tools package contains programs for handling kernel
    modules in Linux kernels greater than or equal to version 2.5.47.</para>

    <segmentedlist>
      <segtitle>&dependencies;</segtitle>

      <seglistitem>
        <seg>Bash, Binutils, Bison, Coreutils, Diffutils, Gawk, GCC,
        Glibc, Grep, M4, Make, Sed, and Zlib</seg>
      </seglistitem>
    </segmentedlist>

  </sect2>

  <sect2 role="installation">
    <title>Installation of Module-Init-Tools</title>

    <para os="a">Module-Init-Tools attempts to rewrite its
    <filename>modprobe.conf</filename> man page during the build process.
    This is unnecessary and also relies on <command>docbook2man</command>
    &mdash; which is not installed in LFS. Run the following command to
    avoid this:</para>

<screen os="b"><userinput>touch modprobe.conf.5</userinput></screen>

    <para os="c">Issue the following commands to perform the tests
    (note that the <command>make distclean</command> command is required
    to clean up the source tree, as the source gets recompiled as part
    of the testing process):</para>

<screen os="d"><userinput>./configure &amp;&amp;
make check &amp;&amp;
make distclean</userinput></screen>

    <para os="e">Prepare Module-Init-Tools for compilation:</para>

<screen os="f"><userinput>./configure --prefix=/ --enable-zlib</userinput></screen>

    <variablelist os="g">
      <title>The meaning of the configure options:</title>

      <varlistentry>
        <term><parameter>--enable-zlib</parameter></term>
        <listitem>
          <para>This allows the Module-Init-Tools package to handle compressed
          kernel modules.</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <para os="h">Compile the package:</para>

<screen os="i"><userinput>make</userinput></screen>

    <para os="j">Install the package:</para>

<screen os="k"><userinput>make install</userinput></screen>

  </sect2>

  <sect2 id="contents-module-init-tools" role="content">
    <title>Contents of Module-Init-Tools</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>

      <seglistitem>
        <seg>depmod, insmod, insmod.static, lsmod (link to insmod),
        modinfo, modprobe (link to insmod), and rmmod (link to insmod)</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="depmod">
        <term><command>depmod</command></term>
        <listitem>
          <para>Creates a dependency file based on the symbols it finds in
          the existing set of modules; this dependency file is used by
          <command>modprobe</command> to automatically load the required
          modules</para>
          <indexterm zone="ch-system-module-init-tools depmod">
            <primary sortas="b-depmod">depmod</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="insmod">
        <term><command>insmod</command></term>
        <listitem>
          <para>Installs a loadable module in the running kernel</para>
          <indexterm zone="ch-system-module-init-tools insmod">
            <primary sortas="b-insmod">insmod</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="insmod.static">
        <term><command>insmod.static</command></term>
        <listitem>
          <para>A statically compiled version of <command>insmod</command></para>
          <indexterm zone="ch-system-module-init-tools insmod.static">
            <primary sortas="b-insmod.static">insmod.static</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="lsmod">
        <term><command>lsmod</command></term>
        <listitem>
          <para>Lists currently loaded modules</para>
          <indexterm zone="ch-system-module-init-tools lsmod">
            <primary sortas="b-lsmod">lsmod</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="modinfo">
        <term><command>modinfo</command></term>
        <listitem>
          <para>Examines an object file associated with a kernel module and
          displays any information that it can glean</para>
          <indexterm zone="ch-system-module-init-tools modinfo">
            <primary sortas="b-modinfo">modinfo</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="modprobe">
        <term><command>modprobe</command></term>
        <listitem>
          <para>Uses a dependency file, created by <command>depmod</command>,
          to automatically load relevant modules</para>
          <indexterm zone="ch-system-module-init-tools modprobe">
            <primary sortas="b-modprobe">modprobe</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="rmmod">
        <term><command>rmmod</command></term>
        <listitem>
          <para>Unloads modules from the running kernel</para>
          <indexterm zone="ch-system-module-init-tools rmmod">
            <primary sortas="b-rmmod">rmmod</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>