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man: add systemd-coredump(8) and a bunch of links

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Zbigniew Jędrzejewski-Szmek 2014-07-13 20:32:46 -04:00
parent f7f628b5db
commit 5146e7e8ae
6 changed files with 115 additions and 2 deletions
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4
Makefile-man.am
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@ -687,7 +687,8 @@ endif
if ENABLE_COREDUMP
MANPAGES += \
man/coredump.conf.5 \
man/coredumpctl.1
man/coredumpctl.1 \
man/systemd-coredump.8
MANPAGES_ALIAS += \
#
@ -1601,6 +1602,7 @@ EXTRA_DIST += \
man/systemd-cat.xml \
man/systemd-cgls.xml \
man/systemd-cgtop.xml \
man/systemd-coredump.xml \
man/systemd-cryptsetup-generator.xml \
man/systemd-cryptsetup@.service.xml \
man/systemd-debug-generator.xml \

2
man/coredumpctl.xml
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@ -210,6 +210,8 @@
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>coredump.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>gdb</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>

1
man/journalctl.xml
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@ -908,6 +908,7 @@
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.journal-fields</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>

105
man/systemd-coredump.xml Normal file
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@ -0,0 +1,105 @@
<?xml version='1.0'?> <!--*-nxml-*-->
<!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="systemd-coredump" conditional='ENABLE_COREDUMP'
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>systemd-coredump</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>systemd-coredump</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>systemd-coredump</refname>
<refpurpose>Log and store core dumps</refpurpose>
</refnamediv>
<refsynopsisdiv>
<para><filename>/usr/lib/systemd/systemd-coredump</filename></para>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>systemd-coredump</command> can be used as a helper
binary by the kernel when a user space program receives a fatal
signal and dumps core. For it to be used in this capacity, it must
be specified by the
<varname>kernel.core_pattern</varname> <citerefentry project='man-pages'><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>
setting. Systemd installs
<filename>/usr/lib/sysctl.d/50-coredump.conf</filename> which
configures <varname>kernel.core_pattern</varname> to invoke
<command>systemd-coredump</command>. This file may be masked or
overriden to use a different setting following normal
<citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> rules.</para>
<para>The behaviour of a specific program upon reception of a
signal is governed by a few factors which are described in detail
in <citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
In particular, the coredump will only be processed when the
related resource limits are high enough. For programs started by
<command>systemd</command> those may be set using
<varname>LimitCore=</varname> (see
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
</para>
<para><command>systemd-coredump</command> will log the coredump
including a backtrace if possible, and store the core (contents of
process' memory contents) in an external file on disk in
<filename>/var/lib/systemd/coredump</filename>, or directly in
the journal. This behaviour may be modified using
<citerefentry><refentrytitle>coredump.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
<para>Apart from the
<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
log viewer,
<citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
may be used to list and extract coredumps.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>coredump.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sysctl.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-sysctl.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para>
</refsect1>
</refentry>

1
man/systemd-journald.service.xml
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@ -248,6 +248,7 @@
<citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.journal-fields</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd-journal</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-coredump</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>setfacl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<command>pydoc systemd.journal</command>.
</para>

4
sysctl.d/50-coredump.conf.in
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@ -5,6 +5,8 @@
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See sysctl.d(5) and core(5) for for details.
# See sysctl.d(5) for the description of the files in this directory,
# and systemd-coredump(8) and core(5) for the explanation of the
# setting below.
kernel.core_pattern=|@rootlibexecdir@/systemd-coredump %p %u %g %s %t %e