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https://github.com/systemd/systemd
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![Zbigniew Jędrzejewski-Szmek](/assets/img/avatar_default.png)
For users, the square brackets already serve as markup and clearly delineate the section name from surrounding text. Putting additional markup around that only adds clutter. Also, we were very inconsistent in using the quotes. Let's just drop them altogether.
139 lines
5.6 KiB
XML
139 lines
5.6 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1+ -->
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<refentry id="coredump.conf" conditional="ENABLE_COREDUMP"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>coredump.conf</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>coredump.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>coredump.conf</refname>
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<refname>coredump.conf.d</refname>
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<refpurpose>Core dump storage configuration files</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/systemd/coredump.conf</filename></para>
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<para><filename>/etc/systemd/coredump.conf.d/*.conf</filename></para>
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<para><filename>/run/systemd/coredump.conf.d/*.conf</filename></para>
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<para><filename>/usr/lib/systemd/coredump.conf.d/*.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>These files configure the behavior of
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<citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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a handler for core dumps invoked by the kernel. Whether <command>systemd-coredump</command> is used
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is determined by the kernel's
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<varname>kernel.core_pattern</varname> <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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setting. See
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<citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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and
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<citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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pages for the details.</para>
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</refsect1>
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<xi:include href="standard-conf.xml" xpointer="main-conf" />
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<refsect1>
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<title>Options</title>
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<para>All options are configured in the
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[Coredump] section:</para>
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<variablelist class='config-directives'>
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<varlistentry>
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<term><varname>Storage=</varname></term>
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<listitem><para>Controls where to store cores. One of <literal>none</literal>,
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<literal>external</literal>, and <literal>journal</literal>. When
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<literal>none</literal>, the core dumps may be logged (including the backtrace if
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possible), but not stored permanently. When <literal>external</literal> (the
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default), cores will be stored in <filename>/var/lib/systemd/coredump/</filename>.
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When <literal>journal</literal>, cores will be stored in the journal and rotated
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following normal journal rotation patterns.</para>
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<para>When cores are stored in the journal, they might be
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compressed following journal compression settings, see
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<citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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When cores are stored externally, they will be compressed
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by default, see below.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>Compress=</varname></term>
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<listitem><para>Controls compression for external
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storage. Takes a boolean argument, which defaults to
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<literal>yes</literal>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>ProcessSizeMax=</varname></term>
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<listitem><para>The maximum size in bytes of a core
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which will be processed. Core dumps exceeding this size
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may be stored, but the backtrace will not be generated.
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</para>
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<para>Setting <varname>Storage=none</varname> and <varname>ProcessSizeMax=0</varname>
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disables all coredump handling except for a log entry.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>ExternalSizeMax=</varname></term>
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<term><varname>JournalSizeMax=</varname></term>
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<listitem><para>The maximum (uncompressed) size in bytes of a
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core to be saved.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>MaxUse=</varname></term>
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<term><varname>KeepFree=</varname></term>
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<listitem><para>Enforce limits on the disk space taken up by
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externally stored core dumps. <option>MaxUse=</option> makes
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sure that old core dumps are removed as soon as the total disk
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space taken up by core dumps grows beyond this limit (defaults
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to 10% of the total disk size). <option>KeepFree=</option>
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controls how much disk space to keep free at least (defaults
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to 15% of the total disk size). Note that the disk space used
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by core dumps might temporarily exceed these limits while
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core dumps are processed. Note that old core dumps are also
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removed based on time via
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<citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Set
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either value to 0 to turn off size-based
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clean-up.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>The defaults for all values are listed as comments in the
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template <filename>/etc/systemd/coredump.conf</filename> file that
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is installed by default.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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