man/binfmt.d.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   4   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   5 <!-- SPDX-License-Identifier: LGPL-2.1+ -->
   6 <refentry id="binfmt.d" conditional='ENABLE_BINFMT'
   7     xmlns:xi="http://www.w3.org/2001/XInclude">
   8
   9   <refentryinfo>
  10     <title>binfmt.d</title>
  11     <productname>systemd</productname>
  12   </refentryinfo>
  13
  14   <refmeta>
  15     <refentrytitle>binfmt.d</refentrytitle>
  16     <manvolnum>5</manvolnum>
  17   </refmeta>
  18
  19   <refnamediv>
  20     <refname>binfmt.d</refname>
  21     <refpurpose>Configure additional binary formats for
  22     executables at boot</refpurpose>
  23   </refnamediv>
  24
  25   <refsynopsisdiv>
  26     <para><filename>/etc/binfmt.d/*.conf</filename></para>
  27     <para><filename>/run/binfmt.d/*.conf</filename></para>
  28     <para><filename>/usr/lib/binfmt.d/*.conf</filename></para>
  29   </refsynopsisdiv>
  30
  31   <refsect1>
  32     <title>Description</title>
  33
  34     <para>At boot,
  35     <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  36     reads configuration files from the above directories to register
  37     in the kernel additional binary formats for executables.</para>
  38   </refsect1>
  39
  40   <refsect1>
  41     <title>Configuration Format</title>
  42
  43     <para>Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's <ulink
  44     url="https://www.kernel.org/doc/html/latest/admin-guide/binfmt-misc.html">binfmt-misc.rst</ulink> documentation
  45     file for more information on registration of additional binary formats and how to write rules.</para>
  46
  47     <para>Empty lines and lines beginning with ; and # are ignored.
  48     Note that this means you may not use ; and # as delimiter in
  49     binary format rules.</para>
  50   </refsect1>
  51
  52   <xi:include href="standard-conf.xml" xpointer="confd" />
  53
  54   <refsect1>
  55     <title>Example</title>
  56     <example>
  57       <title>/etc/binfmt.d/wine.conf example:</title>
  58
  59       <programlisting># Start WINE on Windows executables
  60 :DOSWin:M::MZ::/usr/bin/wine:</programlisting>
  61     </example>
  62   </refsect1>
  63
  64   <refsect1>
  65     <title>See Also</title>
  66     <para>
  67       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  68       <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
  69       <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  70       <citerefentry project='die-net'><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  71     </para>
  72   </refsect1>
  73
  74 </refentry>