systemd/man/coredump.conf.xml

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<refentry id="coredump.conf" conditional="ENABLE_COREDUMP">
  <refentryinfo>
    <title>coredump.conf</title>
    <productname>systemd</productname>

    <authorgroup>
      <author>
        <contrib>Developer</contrib>
        <firstname>Lennart</firstname>
        <surname>Poettering</surname>
        <email>lennart@poettering.net</email>
      </author>
    </authorgroup>
  </refentryinfo>

  <refmeta>
    <refentrytitle>coredump.conf</refentrytitle>
    <manvolnum>5</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>coredump.conf</refname>
    <refpurpose>Coredump storage configuration file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <para><filename>/etc/systemd/coredump.conf</filename></para>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>This file configures the behaviour of <command>systemd-coredump</command>,
    a handler for core dumps invoked by the kernel.</para>
  </refsect1>

  <refsect1>
    <title>Options</title>

    <para>All options are configured in the
    <literal>[Coredump]</literal> section:</para>

    <variablelist>

      <varlistentry>
        <term><varname>Storage=</varname></term>

        <listitem><para>Controls where to store cores. One of
        <literal>none</literal>, <literal>external</literal>,
        <literal>journal</literal>, and <literal>both</literal>. When
        <literal>none</literal> the coredumps will be logged but not
        stored permanently. When <literal>external</literal> (the
        default), cores will be stored in <filename>/var/lib/systemd/coredump</filename>.
        When <literal>journal</literal>, cores will be stored in
        the journal and rotated following normal journal
        rotation patterns. When <literal>both</literal>, cores
        will be stored in both locations.</para>

        <para>When cores are stored in the journal, they might be
        compressed following journal compression settings, see
        <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
        When cores are stored externally, they will be compressed
        by default, see below.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>Compression=</varname></term>

        <listitem><para>Controls the type of compression for external
        storage. One of <literal>xz</literal> or
        <literal>none</literal>.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>CompressionLevel=</varname></term>

        <listitem><para>Controls the level of compression for external
        storage. An integer between 0 and 9. See
        <citerefentry><refentrytitle>xz</refentrytitle><manvolnum>1</manvolnum></citerefentry>
        for more details.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>ProcessSizeMax=</varname></term>

        <listitem><para>The maximum size in bytes of a core
        which will be processed. Coredumps exceeding this size
        will be logged, but the backtrace will not be generated
        and the core will not be stored.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>ExternalSizeMax=</varname></term>
        <term><varname>JournalSizeMax=</varname></term>

        <listitem><para>The maximum (uncompressed) size in bytes of a
        core to be saved.</para></listitem>
      </varlistentry>
    </variablelist>

  </refsect1>

  <refsect1>
    <title>See Also</title>
    <para>
      <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
    </para>
  </refsect1>

</refentry>