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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /man/coredump.conf.xml
parentInitial commit. (diff)
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Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ SPDX-License-Identifier: LGPL-2.1+
+-->
+
+<refentry id="coredump.conf" conditional="ENABLE_COREDUMP"
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+ <refentryinfo>
+ <title>coredump.conf</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>coredump.conf</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>coredump.conf</refname>
+ <refname>coredump.conf.d</refname>
+ <refpurpose>Core dump storage configuration files</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/etc/systemd/coredump.conf</filename></para>
+ <para><filename>/etc/systemd/coredump.conf.d/*.conf</filename></para>
+ <para><filename>/run/systemd/coredump.conf.d/*.conf</filename></para>
+ <para><filename>/usr/lib/systemd/coredump.conf.d/*.conf</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>These files configure the behavior of
+ <citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ a handler for core dumps invoked by the kernel. Whether <command>systemd-coredump</command> is used
+ is determined by the kernel's
+ <varname>kernel.core_pattern</varname> <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ setting. See
+ <citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ and
+ <citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ pages for the details.</para>
+ </refsect1>
+
+ <xi:include href="standard-conf.xml" xpointer="main-conf" />
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>All options are configured in the
+ <literal>[Coredump]</literal> section:</para>
+
+ <variablelist class='config-directives'>
+
+ <varlistentry>
+ <term><varname>Storage=</varname></term>
+
+ <listitem><para>Controls where to store cores. One of <literal>none</literal>,
+ <literal>external</literal>, and <literal>journal</literal>. When
+ <literal>none</literal>, the core dumps may be logged (including the backtrace if
+ possible), 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.</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>Compress=</varname></term>
+
+ <listitem><para>Controls compression for external
+ storage. Takes a boolean argument, which defaults to
+ <literal>yes</literal>.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>ProcessSizeMax=</varname></term>
+
+ <listitem><para>The maximum size in bytes of a core
+ which will be processed. Core dumps exceeding this size
+ may be stored, but the backtrace will not be generated.
+ </para>
+
+ <para>Setting <varname>Storage=none</varname> and <varname>ProcessSizeMax=0</varname>
+ disables all coredump handling except for a log entry.</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>
+
+ <varlistentry>
+ <term><varname>MaxUse=</varname></term>
+ <term><varname>KeepFree=</varname></term>
+
+ <listitem><para>Enforce limits on the disk space taken up by
+ externally stored core dumps. <option>MaxUse=</option> makes
+ sure that old core dumps are removed as soon as the total disk
+ space taken up by core dumps grows beyond this limit (defaults
+ to 10% of the total disk size). <option>KeepFree=</option>
+ controls how much disk space to keep free at least (defaults
+ to 15% of the total disk size). Note that the disk space used
+ by core dumps might temporarily exceed these limits while
+ core dumps are processed. Note that old core dumps are also
+ removed based on time via
+ <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Set
+ either value to 0 to turn off size-based
+ clean-up.</para></listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The defaults for all values are listed as comments in the
+ template <filename>/etc/systemd/coredump.conf</filename> file that
+ is installed by default.</para>
+ </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>,
+ <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>