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diff --git a/man/systemd-journalctl.xml b/man/systemd-journalctl.xml new file mode 100644 index 0000000000..ff3bb3d057 --- /dev/null +++ b/man/systemd-journalctl.xml @@ -0,0 +1,252 @@ +<?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 2012 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd-journalctl"> + + <refentryinfo> + <title>systemd-journalctl</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-journalctl</refentrytitle> + <manvolnum>1</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-journalctl</refname> + <refpurpose>Query the systemd journal</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>systemd-journalctl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt">MATCH</arg></command> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>systemd-journalctl</command> may be + used to query the contents of the + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> + journal.</para> + + <para>If called without parameter will show the full + contents of the journal, starting with the oldest + entry collected.</para> + + <para>If a match argument is passed the output is + filtered accordingly. A match is in the format + <literal>FIELD=VALUE</literal>, + e.g. <literal>_SYSTEMD_UNIT=httpd.service</literal>.</para> + + <para>Output is interleaved from all accessible + journal files, whether they are rotated or currently + being written, and regardless whether they belong to the + system itself or are accessible user journals.</para> + + <para>All users are granted access to their private + per-user journals. However, by default only root and + users who are members of the <literal>adm</literal> + group get access to the system journal and the + journals of other users.</para> + </refsect1> + + <refsect1> + <title>Options</title> + + <para>The following options are understood:</para> + + <variablelist> + <varlistentry> + <term><option>--help</option></term> + <term><option>-h</option></term> + + <listitem><para>Prints a short help + text and exits.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--version</option></term> + + <listitem><para>Prints a short version + string and exits.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--no-pager</option></term> + + <listitem><para>Do not pipe output into a + pager.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--all</option></term> + <term><option>-a</option></term> + + <listitem><para>Show all fields in + full, even if they include unprintable + characters or are very + long.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--follow</option></term> + <term><option>-f</option></term> + + <listitem><para>Show only most recent + entries, and continously print new + entries as they are appended to the + journal.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--lines=</option></term> + <term><option>-n</option></term> + + <listitem><para>Controls the number of + journal lines to show, counting from + the most recent ones. Takes a positive + integer argument. In follow mode + defaults to 10, otherwise is unset + thus not limiting how many lines are + shown.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--no-tail</option></term> + + <listitem><para>Show all stored output + lines, even in follow mode. Undoes the + effect of + <option>--lines=</option>.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--output=</option></term> + <term><option>-o</option></term> + + <listitem><para>Controls the + formatting of the entries that are + shown. Takes one of + <literal>short</literal>, + <literal>short-monotonic</literal>, + <literal>verbose</literal>, + <literal>export</literal>, + <literal>json</literal>, + <literal>cat</literal>. <literal>short</literal> + is the default and generates an output + that is mostly identical to the + formatting of classic syslog log + files, showing one line per journal + entry. <literal>short-monotonic</literal> + is very similar but shows monotonic + timestamps instead of wallclock + timestamps. <literal>verbose</literal> + shows the full structered entry items + with all + fiels. <literal>export</literal> + serializes the journal into a binary + (but mostly text-based) stream + suitable for backups and network + transfer. <literal>json</literal> + formats entries as JSON data + structures. <literal>cat</literal> + generates a very terse output only + showing the actual message of each + journal entry with no meta data, not + even a timestamp.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--quiet</option></term> + <term><option>-q</option></term> + + <listitem><para>Suppresses any warning + message regarding inaccessable system + journals when run as normal + user.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--new-id128</option></term> + + <listitem><para>Instead of showing + journal contents generate a new 128 + bit ID suitable for identifying + messages. This is intended for usage + by developers who need a new + identifier for a new message they + introduce and want to make + recognizable. Will print the new ID in + three different formats which can be + copied into source code or + similar.</para></listitem> + </varlistentry> + + </variablelist> + </refsect1> + + <refsect1> + <title>Exit status</title> + + <para>On success 0 is returned, a non-zero failure + code otherwise.</para> + </refsect1> + + <refsect1> + <title>Environment</title> + + <variablelist> + <varlistentry> + <term><varname>$SYSTEMD_PAGER</varname></term> + <listitem><para>Pager to use when + <option>--no-pager</option> is not given; + overrides <varname>$PAGER</varname>. Setting + this to an empty string or the value + <literal>cat</literal> is equivalent to passing + <option>--no-pager</option>.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |