man/coredump.conf.xml

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   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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   9   Copyright 2014 Zbigniew Jędrzejewski-Szmek
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  24
  25 <refentry id="coredump.conf" conditional="ENABLE_COREDUMP">
  26   <refentryinfo>
  27     <title>coredump.conf</title>
  28     <productname>systemd</productname>
  29
  30     <authorgroup>
  31       <author>
  32         <contrib>Developer</contrib>
  33         <firstname>Lennart</firstname>
  34         <surname>Poettering</surname>
  35         <email>lennart@poettering.net</email>
  36       </author>
  37     </authorgroup>
  38   </refentryinfo>
  39
  40   <refmeta>
  41     <refentrytitle>coredump.conf</refentrytitle>
  42     <manvolnum>5</manvolnum>
  43   </refmeta>
  44
  45   <refnamediv>
  46     <refname>coredump.conf</refname>
  47     <refpurpose>Coredump storage configuration file</refpurpose>
  48   </refnamediv>
  49
  50   <refsynopsisdiv>
  51     <para><filename>/etc/systemd/coredump.conf</filename></para>
  52   </refsynopsisdiv>
  53
  54   <refsect1>
  55     <title>Description</title>
  56
  57     <para>This file configures the behaviour of <command>systemd-coredump</command>,
  58     a handler for core dumps invoked by the kernel.</para>
  59   </refsect1>
  60
  61   <refsect1>
  62     <title>Options</title>
  63
  64     <para>All options are configured in the
  65     <literal>[Coredump]</literal> section:</para>
  66
  67     <variablelist>
  68
  69       <varlistentry>
  70         <term><varname>Storage=</varname></term>
  71
  72         <listitem><para>Controls where to store cores. One of
  73         <literal>none</literal>, <literal>external</literal>,
  74         <literal>journal</literal>, and <literal>both</literal>. When
  75         <literal>none</literal> the coredumps will be logged but not
  76         stored permanently. When <literal>external</literal> (the
  77         default), cores will be stored in <filename>/var/lib/systemd/coredump</filename>.
  78         When <literal>journal</literal>, cores will be stored in
  79         the journal and rotated following normal journal
  80         rotation patterns. When <literal>both</literal>, cores
  81         will be stored in both locations.</para>
  82
  83         <para>When cores are stored in the journal, they might be
  84         compressed following journal compression settings, see
  85         <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
  86         When cores are stored externally, they will be compressed
  87         by default, see below.</para></listitem>
  88       </varlistentry>
  89
  90       <varlistentry>
  91         <term><varname>Compression=</varname></term>
  92
  93         <listitem><para>Controls the type of compression for external
  94         storage. One of <literal>xz</literal> or
  95         <literal>none</literal>.</para>
  96         </listitem>
  97       </varlistentry>
  98
  99       <varlistentry>
 100         <term><varname>CompressionLevel=</varname></term>
 101
 102         <listitem><para>Controls the level of compression for external
 103         storage. An integer between 0 and 9. See
 104         <citerefentry><refentrytitle>xz</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 105         for more details.</para></listitem>
 106       </varlistentry>
 107
 108       <varlistentry>
 109         <term><varname>ProcessSizeMax=</varname></term>
 110
 111         <listitem><para>The maximum size in bytes of a core
 112         which will be processed. Coredumps exceeding this size
 113         will be logged, but the backtrace will not be generated
 114         and the core will not be stored.</para></listitem>
 115       </varlistentry>
 116
 117       <varlistentry>
 118         <term><varname>ExternalSizeMax=</varname></term>
 119         <term><varname>JournalSizeMax=</varname></term>
 120
 121         <listitem><para>The maximum (uncompressed) size in bytes of a
 122         core to be saved.</para></listitem>
 123       </varlistentry>
 124     </variablelist>
 125
 126   </refsect1>
 127
 128   <refsect1>
 129     <title>See Also</title>
 130     <para>
 131       <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 132       <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 133     </para>
 134   </refsect1>
 135
 136 </refentry>