man/binfmt.d.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4 <!--
   5   SPDX-License-Identifier: LGPL-2.1+
   6 -->
   7 <refentry id="binfmt.d" conditional='ENABLE_BINFMT'
   8     xmlns:xi="http://www.w3.org/2001/XInclude">
   9
  10   <refentryinfo>
  11     <title>binfmt.d</title>
  12     <productname>systemd</productname>
  13
  14     <authorgroup>
  15       <author>
  16         <contrib>Developer</contrib>
  17         <firstname>Lennart</firstname>
  18         <surname>Poettering</surname>
  19         <email>lennart@poettering.net</email>
  20       </author>
  21     </authorgroup>
  22   </refentryinfo>
  23
  24   <refmeta>
  25     <refentrytitle>binfmt.d</refentrytitle>
  26     <manvolnum>5</manvolnum>
  27   </refmeta>
  28
  29   <refnamediv>
  30     <refname>binfmt.d</refname>
  31     <refpurpose>Configure additional binary formats for
  32     executables at boot</refpurpose>
  33   </refnamediv>
  34
  35   <refsynopsisdiv>
  36     <para><filename>/etc/binfmt.d/*.conf</filename></para>
  37     <para><filename>/run/binfmt.d/*.conf</filename></para>
  38     <para><filename>/usr/lib/binfmt.d/*.conf</filename></para>
  39   </refsynopsisdiv>
  40
  41   <refsect1>
  42     <title>Description</title>
  43
  44     <para>At boot,
  45     <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  46     reads configuration files from the above directories to register
  47     in the kernel additional binary formats for executables.</para>
  48   </refsect1>
  49
  50   <refsect1>
  51     <title>Configuration Format</title>
  52
  53     <para>Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's <ulink
  54     url="https://www.kernel.org/doc/html/latest/admin-guide/binfmt-misc.html">binfmt-misc.rst</ulink> documentation
  55     file for more information on registration of additional binary formats and how to write rules.</para>
  56
  57     <para>Empty lines and lines beginning with ; and # are ignored.
  58     Note that this means you may not use ; and # as delimiter in
  59     binary format rules.</para>
  60   </refsect1>
  61
  62   <xi:include href="standard-conf.xml" xpointer="confd" />
  63
  64   <refsect1>
  65     <title>Example</title>
  66     <example>
  67       <title>/etc/binfmt.d/wine.conf example:</title>
  68
  69       <programlisting># Start WINE on Windows executables
  70 :DOSWin:M::MZ::/usr/bin/wine:</programlisting>
  71     </example>
  72   </refsect1>
  73
  74   <refsect1>
  75     <title>See Also</title>
  76     <para>
  77       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  78       <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
  79       <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  80       <citerefentry project='die-net'><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  81     </para>
  82   </refsect1>
  83
  84 </refentry>