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3802a3d3 | 1 | <?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*--> |
3cc765d2 | 2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [ |
4 | <!ENTITY % entities SYSTEM "custom-entities.ent" > | |
5 | %entities; | |
6 | ]> | |
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7 | |
8 | <!-- | |
9 | This file is part of systemd. | |
10 | ||
11 | Copyright 2014 Zbigniew Jędrzejewski-Szmek | |
12 | ||
13 | systemd is free software; you can redistribute it and/or modify it | |
14 | under the terms of the GNU Lesser General Public License as published by | |
15 | the Free Software Foundation; either version 2.1 of the License, or | |
16 | (at your option) any later version. | |
17 | ||
18 | systemd is distributed in the hope that it will be useful, but | |
19 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | Lesser General Public License for more details. | |
22 | ||
23 | You should have received a copy of the GNU Lesser General Public License | |
24 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
25 | --> | |
26 | ||
301af7e4 JT |
27 | <refentry id="coredump.conf" conditional="ENABLE_COREDUMP" |
28 | xmlns:xi="http://www.w3.org/2001/XInclude"> | |
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29 | <refentryinfo> |
30 | <title>coredump.conf</title> | |
31 | <productname>systemd</productname> | |
32 | ||
33 | <authorgroup> | |
34 | <author> | |
35 | <contrib>Developer</contrib> | |
36 | <firstname>Lennart</firstname> | |
37 | <surname>Poettering</surname> | |
38 | <email>lennart@poettering.net</email> | |
39 | </author> | |
40 | </authorgroup> | |
41 | </refentryinfo> | |
42 | ||
43 | <refmeta> | |
44 | <refentrytitle>coredump.conf</refentrytitle> | |
45 | <manvolnum>5</manvolnum> | |
46 | </refmeta> | |
47 | ||
48 | <refnamediv> | |
49 | <refname>coredump.conf</refname> | |
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50 | <refname>coredump.conf.d</refname> |
51 | <refpurpose>Coredump storage configuration files</refpurpose> | |
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52 | </refnamediv> |
53 | ||
54 | <refsynopsisdiv> | |
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55 | <para><filename>&pkgsysconfdir;/coredump.conf</filename></para> |
56 | <para><filename>&pkgsysconfdir;/coredump.conf.d/*.conf</filename></para> | |
301af7e4 | 57 | <para><filename>/run/systemd/coredump.conf.d/*.conf</filename></para> |
681eb9cf | 58 | <para><filename>&rootlibexecdir;/coredump.conf.d/*.conf</filename></para> |
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59 | </refsynopsisdiv> |
60 | ||
61 | <refsect1> | |
62 | <title>Description</title> | |
63 | ||
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64 | <para>These files configure the behaviour of |
65 | <citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
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66 | a handler for core dumps invoked by the kernel.</para> |
67 | </refsect1> | |
68 | ||
e93549ef | 69 | <xi:include href="standard-conf.xml" xpointer="main-conf" /> |
301af7e4 | 70 | |
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71 | <refsect1> |
72 | <title>Options</title> | |
73 | ||
74 | <para>All options are configured in the | |
75 | <literal>[Coredump]</literal> section:</para> | |
76 | ||
77 | <variablelist> | |
78 | ||
79 | <varlistentry> | |
80 | <term><varname>Storage=</varname></term> | |
81 | ||
82 | <listitem><para>Controls where to store cores. One of | |
83 | <literal>none</literal>, <literal>external</literal>, | |
84 | <literal>journal</literal>, and <literal>both</literal>. When | |
8d0e0ddd | 85 | <literal>none</literal>, the coredumps will be logged but not |
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86 | stored permanently. When <literal>external</literal> (the |
87 | default), cores will be stored in <filename>/var/lib/systemd/coredump</filename>. | |
88 | When <literal>journal</literal>, cores will be stored in | |
89 | the journal and rotated following normal journal | |
90 | rotation patterns. When <literal>both</literal>, cores | |
91 | will be stored in both locations.</para> | |
92 | ||
93 | <para>When cores are stored in the journal, they might be | |
94 | compressed following journal compression settings, see | |
95 | <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. | |
96 | When cores are stored externally, they will be compressed | |
97 | by default, see below.</para></listitem> | |
98 | </varlistentry> | |
99 | ||
100 | <varlistentry> | |
8c9571d0 | 101 | <term><varname>Compress=</varname></term> |
3cc765d2 | 102 | |
442f7f15 | 103 | <listitem><para>Controls compression for external |
8c9571d0 LP |
104 | storage. Takes a boolean argument, defaults to |
105 | <literal>yes</literal>.</para> | |
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106 | </listitem> |
107 | </varlistentry> | |
108 | ||
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109 | <varlistentry> |
110 | <term><varname>ProcessSizeMax=</varname></term> | |
111 | ||
112 | <listitem><para>The maximum size in bytes of a core | |
113 | which will be processed. Coredumps exceeding this size | |
114 | will be logged, but the backtrace will not be generated | |
115 | and the core will not be stored.</para></listitem> | |
116 | </varlistentry> | |
117 | ||
118 | <varlistentry> | |
119 | <term><varname>ExternalSizeMax=</varname></term> | |
120 | <term><varname>JournalSizeMax=</varname></term> | |
121 | ||
122 | <listitem><para>The maximum (uncompressed) size in bytes of a | |
123 | core to be saved.</para></listitem> | |
124 | </varlistentry> | |
0dc5d23c LP |
125 | |
126 | <varlistentry> | |
127 | <term><varname>MaxUse=</varname></term> | |
128 | <term><varname>KeepFree=</varname></term> | |
129 | ||
130 | <listitem><para>Enforce limits on the disk space taken up by | |
131 | externally stored coredumps. <option>MaxUse=</option> makes | |
132 | sure that old coredumps are removed as soon as the total disk | |
133 | space taken up by coredumps grows beyond this limit (defaults | |
134 | to 10% of the total disk size). <option>KeepFree=</option> | |
135 | controls how much disk space to keep free at least (defaults | |
136 | to 15% of the total disk size). Note that the disk space used | |
137 | by coredumps might temporarily exceed these limits while | |
138 | coredumps are processed. Note that old coredumps are also | |
cbfaff65 | 139 | removed based on time via |
5470c03b LP |
140 | <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Set |
141 | either value to 0 to turn off size based | |
142 | clean-up.</para></listitem> | |
0dc5d23c | 143 | </varlistentry> |
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144 | </variablelist> |
145 | ||
146 | </refsect1> | |
147 | ||
148 | <refsect1> | |
149 | <title>See Also</title> | |
150 | <para> | |
151 | <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
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152 | <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, |
153 | <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry> | |
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154 | </para> |
155 | </refsect1> | |
156 | ||
157 | </refentry> |