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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-09-10 15:10:55 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-09-10 15:10:55 -0400
commitc7f001117e53f96fc267b127098f85e0e95fbc62 (patch)
treeb0b6d54829e2fd25147bcbb8ae56c9ca13fa3d2f /man/coredump.conf.xml
parent57ad25443cb82d70ec1df14aeb8547280d369b4e (diff)
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-<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<!--
- This file is part of systemd.
-
- Copyright 2014 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
-
-<refentry id="coredump.conf" conditional="ENABLE_COREDUMP"
- xmlns:xi="http://www.w3.org/2001/XInclude">
- <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>
- <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>
-
- <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 core dumps 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>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
- 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>
-
- <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>
-
- </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>