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authorAnthony G. Basile <blueness@gentoo.org>2012-11-15 10:33:16 -0500
committerAnthony G. Basile <blueness@gentoo.org>2012-11-15 10:33:16 -0500
commit7d4a62f8c1404ed426500b97af03d4ef8d034a71 (patch)
tree2436cd4f0460a3a3d589875d4ffba55556f3c582 /man/systemd-journald.service.xml
parent2944f347d087ff24ec808e4b70fe104a772a97a0 (diff)
Isolation of udev code from remaining systemd
This commit is a first attempt to isolate the udev code from the remaining code base. It intentionally does not modify any files but purely delete files which, on a first examination, appear to not be needed. This is a sweeping commit which may easily have missed needed code. Files can be retrieved by doing a checkout from the previous commit: git checkout 2944f347d0 -- <filename>
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diff --git a/man/systemd-journald.service.xml b/man/systemd-journald.service.xml
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-<?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 2010 Lennart Poettering
-
- 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-journald.service">
-
- <refentryinfo>
- <title>systemd-journald.service</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-journald.service</refentrytitle>
- <manvolnum>8</manvolnum>
- </refmeta>
-
- <refnamediv>
- <refname>systemd-journald.service</refname>
- <refname>systemd-journald.socket</refname>
- <refname>systemd-journald</refname>
- <refpurpose>Journal service</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <para><filename>systemd-journald.service</filename></para>
- <para><filename>systemd-journald.socket</filename></para>
- <para><filename>/usr/lib/systemd/systemd-journald</filename></para>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Description</title>
-
- <para><filename>systemd-journald</filename> is a
- system service that collects and stores logging
- data. It creates and maintains structured, indexed
- journals based on logging information that is received
- from the kernel, from user processes via the libc
- <citerefentry><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>
- call, from STDOUT/STDERR of system services or via its
- native API. It will implicitly collect numerous meta
- data fields for each log messages in a secure and
- unfakeable way. See
- <citerefentry><refentrytitle>systemd.journal-fields</refentrytitle><manvolnum>7</manvolnum></citerefentry>
- for more information about the collected meta data.
- </para>
-
- <para>Log data collected by the journal is primarily
- text based but can also include binary data where
- necessary. All objects stored in the journal can be up
- to 2^64-1 bytes in size.</para>
-
- <para>By default the journal stores log data in
- <filename>/run/log/journal/</filename>. Since
- <filename>/run/</filename> is volatile log data is
- lost at reboot. To make the data persistent it
- is sufficient to create
- <filename>/var/log/journal/</filename> where
- <filename>systemd-journald</filename> will then store
- the data.</para>
-
- <para><filename>systemd-journald</filename> will
- forward all received log messages to the AF_UNIX
- SOCK_DGRAM socket
- <filename>/run/systemd/journal/syslog</filename> (if it exists) which
- may be used by UNIX syslog daemons to process the data
- further.</para>
-
- <para>See
- <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for information about the configuration of this
- service.</para>
- </refsect1>
-
- <refsect1>
- <title>Signals</title>
-
- <variablelist>
- <varlistentry>
- <term>SIGUSR1</term>
-
- <listitem><para>Request that journal
- data from <filename>/run/</filename>
- is flushed to
- <filename>/var/</filename> in order to
- make it persistent (if this is
- enabled). This may be used after
- <filename>/var/</filename> is mounted,
- but is generally not required since
- the first journal write when
- <filename>/var/</filename> becomes
- writable triggers the flushing
- anyway.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term>SIGUSR2</term>
-
- <listitem><para>Request immediate
- rotation of the journal
- files.</para></listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
- <refsect1>
- <title>Kernel Command Line</title>
-
- <para>A few configuration parameters from
- <filename>journald.conf</filename> may be overridden on
- the kernel command line:</para>
-
- <variablelist>
- <varlistentry>
- <term><varname>systemd.journald.forward_to_syslog=</varname></term>
- <term><varname>systemd.journald.forward_to_kmsg=</varname></term>
- <term><varname>systemd.journald.forward_to_console=</varname></term>
-
- <listitem><para>Enables/disables
- forwarding of collected log messages
- to syslog, the kernel log buffer or
- the system console.
- </para>
-
- <para>See
- <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for information about these settings.</para>
- </listitem>
-
- </varlistentry>
- </variablelist>
- </refsect1>
-
-
- <refsect1>
- <title>See Also</title>
- <para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <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>
- </para>
- </refsect1>
-
-</refentry>