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   This file is part of systemd.
   8
   9   Copyright 2011 Lennart Poettering
  10 -->
  11 <refentry id="binfmt.d" conditional='ENABLE_BINFMT'
  12     xmlns:xi="http://www.w3.org/2001/XInclude">
  13
  14   <refentryinfo>
  15     <title>binfmt.d</title>
  16     <productname>systemd</productname>
  17
  18     <authorgroup>
  19       <author>
  20         <contrib>Developer</contrib>
  21         <firstname>Lennart</firstname>
  22         <surname>Poettering</surname>
  23         <email>lennart@poettering.net</email>
  24       </author>
  25     </authorgroup>
  26   </refentryinfo>
  27
  28   <refmeta>
  29     <refentrytitle>binfmt.d</refentrytitle>
  30     <manvolnum>5</manvolnum>
  31   </refmeta>
  32
  33   <refnamediv>
  34     <refname>binfmt.d</refname>
  35     <refpurpose>Configure additional binary formats for
  36     executables at boot</refpurpose>
  37   </refnamediv>
  38
  39   <refsynopsisdiv>
  40     <para><filename>/etc/binfmt.d/*.conf</filename></para>
  41     <para><filename>/run/binfmt.d/*.conf</filename></para>
  42     <para><filename>/usr/lib/binfmt.d/*.conf</filename></para>
  43   </refsynopsisdiv>
  44
  45   <refsect1>
  46     <title>Description</title>
  47
  48     <para>At boot,
  49     <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  50     reads configuration files from the above directories to register
  51     in the kernel additional binary formats for executables.</para>
  52   </refsect1>
  53
  54   <refsect1>
  55     <title>Configuration Format</title>
  56
  57     <para>Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's <ulink
  58     url="https://www.kernel.org/doc/html/latest/admin-guide/binfmt-misc.html">binfmt-misc.rst</ulink> documentation
  59     file for more information on registration of additional binary formats and how to write rules.</para>
  60
  61     <para>Empty lines and lines beginning with ; and # are ignored.
  62     Note that this means you may not use ; and # as delimiter in
  63     binary format rules.</para>
  64   </refsect1>
  65
  66   <xi:include href="standard-conf.xml" xpointer="confd" />
  67
  68   <refsect1>
  69     <title>Example</title>
  70     <example>
  71       <title>/etc/binfmt.d/wine.conf example:</title>
  72
  73       <programlisting># Start WINE on Windows executables
  74 :DOSWin:M::MZ::/usr/bin/wine:</programlisting>
  75     </example>
  76   </refsect1>
  77
  78   <refsect1>
  79     <title>See Also</title>
  80     <para>
  81       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  82       <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
  83       <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  84       <citerefentry project='die-net'><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  85     </para>
  86   </refsect1>
  87
  88 </refentry>