chiark / gitweb /
bus: introduce bus_error_is_dirty() independently of sd_bus_error_is_set()
[elogind.git] / man / journalctl.xml
index b5950c94cee73d09a077766420c10e3af089af98..6b4b7572f633b3a5c149159196157672fc93c539 100644 (file)
@@ -49,7 +49,9 @@
 
         <refsynopsisdiv>
                 <cmdsynopsis>
 
         <refsynopsisdiv>
                 <cmdsynopsis>
-                        <command>journalctl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">MATCHES</arg></command>
+                        <command>journalctl</command>
+                        <arg choice="opt" rep="repeat">OPTIONS</arg>
+                        <arg choice="opt" rep="repeat">MATCHES</arg>
                 </cmdsynopsis>
         </refsynopsisdiv>
 
                 </cmdsynopsis>
         </refsynopsisdiv>
 
@@ -62,7 +64,7 @@
                 journal as written by
                 <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
 
                 journal as written by
                 <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
 
-                <para>If called without parameter will show the full
+                <para>If called without parameter it will show the full
                 contents of the journal, starting with the oldest
                 entry collected.</para>
 
                 contents of the journal, starting with the oldest
                 entry collected.</para>
 
 
                 <variablelist>
                         <varlistentry>
 
                 <variablelist>
                         <varlistentry>
-                                <term><option>--help</option></term>
                                 <term><option>-h</option></term>
                                 <term><option>-h</option></term>
+                                <term><option>--help</option></term>
 
                                 <listitem><para>Prints a short help
                                 text and exits.</para></listitem>
 
                                 <listitem><para>Prints a short help
                                 text and exits.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--all</option></term>
+                                <term><option>--full</option></term>
+
+                                <listitem><para>Show all (printable) fields in
+                                full.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>-a</option></term>
                                 <term><option>-a</option></term>
+                                <term><option>--all</option></term>
 
                                 <listitem><para>Show all fields in
                                 full, even if they include unprintable
 
                                 <listitem><para>Show all fields in
                                 full, even if they include unprintable
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--follow</option></term>
                                 <term><option>-f</option></term>
                                 <term><option>-f</option></term>
+                                <term><option>--follow</option></term>
 
 
-                                <listitem><para>Show only most recent
+                                <listitem><para>Show only the most recent
                                 journal entries, and continuously print
                                 new entries as they are appended to
                                 the journal.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                                 journal entries, and continuously print
                                 new entries as they are appended to
                                 the journal.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--lines=</option></term>
+                                <term><option>-e</option></term>
+                                <term><option>--pager-end</option></term>
+
+                                <listitem><para>Immediately jump to
+                                the end of the journal inside the
+                                implied pager tool. This implies
+                                <option>-n1000</option> to guarantee
+                                that the pager won't buffer logs of
+                                unbounded size. This may be overridden
+                                with an explicit <option>-n</option>
+                                with some other numeric value on the
+                                command line. Note that this option is
+                                only supported for the
+                                <citerefentry><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                                pager.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>-n</option></term>
                                 <term><option>-n</option></term>
+                                <term><option>--lines=</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>
+                                <listitem><para>Show the most recent
+                                journal events and limit the number of
+                                events shown. If
+                                <option>--follow</option> is used,
+                                this option is implied. The argument,
+                                a positive integer, is optional, and
+                                defaults to 10. </para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--output=</option></term>
+                                <term><option>-r</option></term>
+                                <term><option>--reverse</option></term>
+
+                                <listitem><para>Reverse output, so the newest
+                                entries are displayed first.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>-o</option></term>
                                 <term><option>-o</option></term>
+                                <term><option>--output=</option></term>
 
                                 <listitem><para>Controls the
                                 formatting of the journal entries that
 
                                 <listitem><para>Controls the
                                 formatting of the journal entries that
                                 <literal>export</literal>,
                                 <literal>json</literal>,
                                 <literal>json-pretty</literal>,
                                 <literal>export</literal>,
                                 <literal>json</literal>,
                                 <literal>json-pretty</literal>,
+                                <literal>json-sse</literal>,
                                 <literal>cat</literal>. <literal>short</literal>
                                 is the default and generates an output
                                 that is mostly identical to the
                                 <literal>cat</literal>. <literal>short</literal>
                                 is the default and generates an output
                                 that is mostly identical to the
                                 information). <literal>json</literal>
                                 formats entries as JSON data
                                 structures, one per
                                 information). <literal>json</literal>
                                 formats entries as JSON data
                                 structures, one per
-                                line. <literal>json-pretty</literal>
+                                line (see <ulink
+                                url="http://www.freedesktop.org/wiki/Software/systemd/json">Journal
+                                JSON Format</ulink> for more
+                                information). <literal>json-pretty</literal>
                                 also formats entries as JSON data
                                 structures, but formats them in
                                 multiple lines in order to make them
                                 more readable for
                                 also formats entries as JSON data
                                 structures, but formats them in
                                 multiple lines in order to make them
                                 more readable for
-                                humans. <literal>cat</literal>
+                                humans. <literal>json-sse</literal>
+                                also formats entries as JSON data
+                                structures, but wraps them in a format
+                                suitable for <ulink
+                                url="https://developer.mozilla.org/en-US/docs/Server-sent_events/Using_server-sent_events">Server-Sent
+                                Events</ulink>. <literal>cat</literal>
                                 generates a very terse output only
                                 showing the actual message of each
                                 journal entry with no meta data, not
                                 generates a very terse output only
                                 showing the actual message of each
                                 journal entry with no meta data, not
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--quiet</option></term>
+                                <term><option>-x</option></term>
+                                <term><option>--catalog</option></term>
+
+                                <listitem><para>Augment log lines with
+                                explanation texts from the message
+                                catalog. This will add explanatory
+                                help texts to log messages in the
+                                output where this is available. These
+                                short help texts will explain the
+                                context of an error or log event,
+                                possible solutions, as well as
+                                pointers to support forums, developer
+                                documentation and any other relevant
+                                manuals. Note that help texts are not
+                                available for all messages, but only
+                                for selected ones. For more
+                                information on the message catalog
+                                please refer to the <ulink
+                                url="http://www.freedesktop.org/wiki/Software/systemd/catalog">Message
+                                Catalog Developer
+                                Documentation</ulink>.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>-q</option></term>
                                 <term><option>-q</option></term>
+                                <term><option>--quiet</option></term>
 
                                 <listitem><para>Suppresses any warning
                                 message regarding inaccessible system
 
                                 <listitem><para>Suppresses any warning
                                 message regarding inaccessible system
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--local</option></term>
-                                <term><option>-l</option></term>
+                                <term><option>-m</option></term>
+                                <term><option>--merge</option></term>
 
 
-                                <listitem><para>Show only locally
-                                generated messages.</para></listitem>
+                                <listitem><para>Show entries
+                                interleaved from all available
+                                journals, including remote
+                                ones.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--this-boot</option></term>
                                 <term><option>-b</option></term>
                                 <term><option>-b</option></term>
+                                <term><option>--this-boot</option></term>
 
                                 <listitem><para>Show data only from
 
                                 <listitem><para>Show data only from
-                                current boot.</para></listitem>
+                                current boot. This will add a match
+                                for <literal>_BOOT_ID=</literal> for
+                                the current boot ID of the
+                                kernel.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--directory=</option></term>
-                                <term><option>-D</option></term>
+                                <term><option>-u</option></term>
+                                <term><option>--unit=</option></term>
+
+                                <listitem><para>Show messages for the
+                                specified systemd unit. This will add
+                                a match for messages from the unit
+                                (<literal>_SYSTEMD_UNIT=</literal>)
+                                and additional matches for messages
+                                from systemd and messages about
+                                coredumps for the specified unit.
+                                </para></listitem>
+                        </varlistentry>
 
 
-                                <listitem><para>Takes an absolute
-                                directory path as argument. If
-                                specified will operate on the
-                                specified journal directory instead of
-                                the default runtime and system journal
-                                paths.</para></listitem>
+                        <varlistentry>
+                                <term><option>--user-unit=</option></term>
+
+                                <listitem><para>Show messages for the
+                                specified user session unit. This will
+                                add a match for messages from the unit
+                                (<literal>_SYSTEMD_USER_UNIT=</literal>
+                                and <literal>_UID=</literal>) and
+                                additional matches for messages from
+                                session systemd and messages about
+                                coredumps for the specified unit.
+                                </para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                                 <literal>info</literal> (6),
                                 <literal>debug</literal> (7). If a
                                 single log level is specified all
                                 <literal>info</literal> (6),
                                 <literal>debug</literal> (7). If a
                                 single log level is specified all
-                                messages with this log levels or a
+                                messages with this log level or a
                                 lower (hence more important) log level
                                 are shown. If a range is specified all
                                 messages within the range are shown,
                                 including both the start and the end
                                 lower (hence more important) log level
                                 are shown. If a range is specified all
                                 messages within the range are shown,
                                 including both the start and the end
-                                value of the range.</para></listitem>
+                                value of the range. This will add
+                                <literal>PRIORITY=</literal> matches
+                                for the specified
+                                priorities.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>-c</option></term>
+                                <term><option>--cursor=</option></term>
+
+                                <listitem><para>Start showing entries
+                                from the location in the journal
+                                specified by the passed
+                                cursor.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--since=</option></term>
+                                <term><option>--until=</option></term>
+
+                                <listitem><para>Start showing entries
+                                on or newer than the specified date,
+                                or on or older than the specified
+                                date, respectively. Date specifications should be of
+                                the format "2012-10-30 18:17:16". If
+                                the time part is omitted, 00:00:00 is
+                                assumed. If only the seconds component
+                                is omitted, :00 is assumed. If the
+                                date component is omitted, the
+                                current day is assumed. Alternatively
+                                the strings
+                                <literal>yesterday</literal>,
+                                <literal>today</literal>,
+                                <literal>tomorrow</literal> are
+                                understood, which refer to 00:00:00 of
+                                the day before the current day, the
+                                current day, or the day after the
+                                current day, respectively. <literal>now</literal>
+                                refers to the current time. Finally,
+                                relative times may be specified,
+                                prefixed with <literal>-</literal> or
+                                <literal>+</literal>, referring to
+                                times before or after the current
+                                time, respectively.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>-F</option></term>
+                                <term><option>--field=</option></term>
+
+                                <listitem><para>Print all possible
+                                data values the specified field can
+                                take in all entries of the
+                                journal.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>-D</option></term>
+                                <term><option>--directory=</option></term>
+
+                                <listitem><para>Takes a
+                                directory path as argument. If
+                                specified journalctl will operate on the
+                                specified journal directory instead of
+                                the default runtime and system journal
+                                paths.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
 
                                 <listitem><para>Instead of showing
                                 journal contents show internal header
 
                                 <listitem><para>Instead of showing
                                 journal contents show internal header
-                                information of the journal fiels
+                                information of the journal fields
                                 accessed.</para></listitem>
                         </varlistentry>
 
                                 accessed.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><option>--disk-usage</option></term>
+
+                                <listitem><para>Shows the current disk
+                                usage of all
+                                journal files.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--list-catalog
+                                <optional><replaceable>ID128...</replaceable></optional>
+                                </option></term>
+
+                                <listitem><para>List the contents of
+                                the message catalog, as table of
+                                message IDs plus their short
+                                description strings.</para>
+
+                                <para>If any
+                                <replaceable>ID128</replaceable>s are
+                                specified, only those entries are shown.
+                                </para>
+                                </listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--dump-catalog
+                                <optional><replaceable>ID128...</replaceable></optional>
+                                </option></term>
+
+                                <listitem><para>Show the contents of
+                                the message catalog, with entries
+                                separated by a line consisting of two
+                                dashes and the id (the format is the
+                                same as <filename>.catalog</filename>
+                                files.</para>
+
+                                <para>If any
+                                <replaceable>ID128</replaceable>s are
+                                specified, only those entries are shown.
+                                </para>
+                                </listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--update-catalog</option></term>
+
+                                <listitem><para>Update the message
+                                catalog index. This command needs to
+                                be executed each time new catalog
+                                files are installed, removed or
+                                updated to rebuild the binary catalog
+                                index.</para></listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term><option>--setup-keys</option></term>
 
                         <varlistentry>
                                 <term><option>--setup-keys</option></term>
 
         <refsect1>
                 <title>Environment</title>
 
         <refsect1>
                 <title>Environment</title>
 
-                <variablelist>
+                <variablelist class='environment-variables'>
                         <varlistentry>
                                 <term><varname>$SYSTEMD_PAGER</varname></term>
                                 <listitem><para>Pager to use when
                         <varlistentry>
                                 <term><varname>$SYSTEMD_PAGER</varname></term>
                                 <listitem><para>Pager to use when
                 <programlisting>journalctl _SYSTEMD_UNIT=avahi-daemon.service _SYSTEMD_UNIT=dbus.service</programlisting>
 
                 <para>If the separator "<literal>+</literal>" is used
                 <programlisting>journalctl _SYSTEMD_UNIT=avahi-daemon.service _SYSTEMD_UNIT=dbus.service</programlisting>
 
                 <para>If the separator "<literal>+</literal>" is used
-                two expression may be combined in a logical OR. The
+                two expressions may be combined in a logical OR. The
                 following will show all messages from the Avahi
                 service process with the PID 28097 plus all messages
                 from the D-Bus service (from any of its
                 following will show all messages from the Avahi
                 service process with the PID 28097 plus all messages
                 from the D-Bus service (from any of its