dracut/dracut.conf.5.xml

<?xml version='1.0' encoding='ISO-8859-1'?>
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<refentry id="dracutconf5">
  <refentryinfo>
    <title>dracut.conf</title>
    <productname>dracut</productname>
    <authorgroup>
      <author>
        <contrib>Developer</contrib>
        <firstname>Harald</firstname>
        <surname>Hoyer</surname>
        <email>harald@redhat.com</email>
      </author>
    </authorgroup>
  </refentryinfo>
  <refmeta>
    <refentrytitle>dracut.conf</refentrytitle>
    <manvolnum>5</manvolnum>
  </refmeta>
  <refnamediv>
    <refname>dracut.conf</refname>
    <refpurpose>configuration file(s) for dracut</refpurpose>
  </refnamediv>
  <refsynopsisdiv>
    <cmdsynopsis>
      <command>/etc/dracut.conf</command>
      <arg choice="plain">
        <replaceable>/etc/dracut.conf.d/*.conf</replaceable>
      </arg>
      <sbr/>
    </cmdsynopsis>
  </refsynopsisdiv>
  <refsect1>
    <title>Description</title>
    <para><emphasis>dracut.conf</emphasis>
is loaded during the initialisation phase of dracut.
Command line parameter will overwrite any values set here.
<emphasis>dracut.conf.d/*.conf files are read in alphanumerical order and will</emphasis>
overwrite parameters set in /etc/dracut.conf. Each line specifies an attribute and a value. A &apos;#&apos; indicates the beginning of a comment; following characters, up to the end of the line are not interpreted.</para>
    <variablelist>
      <varlistentry>
        <term><envar>dracutmodules+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Specify a space-separated list of dracut modules to
call when building the initramfs. Modules are located
in /usr/share/dracut/modules.d.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>omit_dracutmodules+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Omit a space-separated list of dracut modules.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>add_dracutmodules+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Add a space-separated list of dracut modules.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>drivers+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Specify a space-separated list of kernel modules to
exclusively include in the initramfs.
The kernel modules have to be specified without the &quot;.ko&quot; suffix.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>add_drivers+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Specify a space-separated list of kernel 
modules to add to the initramfs.
The kernel modules have to be specified without the &quot;.ko&quot; suffix.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>filesystems+=</envar>&quot;&nbsp;[LIST]&nbsp;&quot;</term>
        <listitem>
          <para>Specify a space-separated list of kernel filesystem
modules to exclusively include in the generic
initramfs.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>drivers_dir=</envar>&shy;&quot;&lt;dir&gt;</term>
        <listitem>
          <para>Specify the directory, where to look for kernel modules</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>fw_dir+=</envar>&shy;&quot;:&lt;dir&gt;[:&lt;dir&gt;&nbsp;...]</term>
        <listitem>
          <para>Specify additional directories, where to look for firmwares, separated by :</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>do_strip=</envar>&shy;&quot;yes|no</term>
        <listitem>
          <para>Strip binaries in the initramfs (default=yes)</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>hostonly=</envar>&shy;&quot;yes|no</term>
        <listitem>
          <para>Host-Only mode: Install only what is needed for booting 
the local host instead of a generic host.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>mdadmconf=</envar>&shy;&quot;yes|no</term>
        <listitem>
          <para>Include local /etc/mdadm.conf (default=yes)</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>lvmconf=</envar>&shy;&quot;yes|no</term>
        <listitem>
          <para>Include local /etc/lvm/lvm.conf (default=yes)</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>kernel_only=</envar>yes|no</term>
        <listitem>
          <para>Only install kernel drivers and firmware files. (default=no)</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term><envar>no_kernel=</envar>&quot;yes|no</term>
        <listitem>
          <para>Do not install kernel drivers and firmware files (default=no)</para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>
  <refsect1>
    <title>Files</title>
    <variablelist>
      <varlistentry>
        <term>
          <filename>/etc/dracut/conf.d/</filename>
        </term>
        <listitem>
          <para>Any /etc/dracut/conf.d/*.conf file can overwrite the values in /etc/dracut.conf.
The configuration files are read in alphanumerical order.</para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>
  <refsect1>
    <title>See Also</title>
    <para><citerefentry>
        <refentrytitle>dracut</refentrytitle>
        <manvolnum>8</manvolnum>
      </citerefentry>
      <citerefentry>
        <refentrytitle>dracut.kernel</refentrytitle>
        <manvolnum>7</manvolnum>
      </citerefentry>
    </para>
  </refsect1>
</refentry>