hibernate-resume: add a tool to write a device node's major:minor to /sys/power/resume.

[elogind.git] / man / journalctl.xml

diff --git a/man/journalctl.xml b/man/journalctl.xml
index 47b5a0593b795bfabd95d1e6682fccdf899ab114..d4e031619a62954d4b6655c56b44e5ff6385c848 100644 (file)
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -84,10 +84,11 @@
                 field, then they are automatically matched as
                 alternatives, i.e. the resulting output will show
                 entries matching any of the specified matches for the
-                same field. Finally, if the character
-                <literal>+</literal> appears as a separate word on the
-                command line, all matches before and after are combined
-                in a disjunction (i.e. logical OR).</para>
+                same field. Finally, the character
+                <literal>+</literal> may appears as a separate word
+                between other terms on the command line. This causes
+                all matches before and after to be combined in a
+                disjunction (i.e. logical OR).</para>
 
                 <para>As shortcuts for a few types of field/value
                 matches, file paths may be specified. If a file path
@@ -98,11 +99,21 @@
                 <literal>_KERNEL_DEVICE=</literal> match for the
                 device.</para>
 
+                <para>Additional constraints may be added using options
+                <option>--boot</option>, <option>--unit=</option>,
+                etc, to further limit what entries will be shown
+                (logical AND).</para>
+
                 <para>Output is interleaved from all accessible
                 journal files, whether they are rotated or currently
                 being written, and regardless of whether they belong to the
                 system itself or are accessible user journals.</para>
 
+                <para>The set of journal files which will be used
+                can be modified using the <option>--user</option>,
+                <option>--system</option>, <option>--directory</option>,
+                and <option>--file</option> options, see below.</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>systemd-journal</literal>
@@ -117,7 +128,7 @@
                 <option>--no-pager</option> option and the "Environment"
                 section below.</para>
 
-                <para>When outputing to a tty, lines are colored
+                <para>When outputting to a tty, lines are colored
                 according to priority: lines of level ERROR and higher
                 are colored red; lines of level NOTICE and higher are
                 highlighted; other lines are displayed normally.
@@ -486,14 +497,29 @@
                                 </para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><option>-t</option></term>
+                                <term><option>--identifier=<replaceable>SYSLOG_IDENTIFIER</replaceable>|<replaceable>PATTERN</replaceable></option></term>
+
+                                <listitem><para>Show messages for the
+                                specified syslog identifier
+                                <replaceable>SYSLOG_IDENTIFIER</replaceable>, or
+                                for any of the messages with a <literal>SYSLOG_IDENTIFIER</literal>
+                                matched by <replaceable>PATTERN</replaceable>.</para>
+
+                                <para>This parameter can be specified
+                                multiple times.</para></listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term><option>-u</option></term>
                                 <term><option>--unit=<replaceable>UNIT</replaceable>|<replaceable>PATTERN</replaceable></option></term>
 
                                 <listitem><para>Show messages for the
                                 specified systemd unit
-                                <replaceable>UNIT</replaceable>, or
-                                for any of the units matched by
+                                <replaceable>UNIT</replaceable> (such
+                                as a service unit), or for any of the
+                                units matched by
                                 <replaceable>PATTERN</replaceable>.
                                 If a pattern is specified, a list of
                                 unit names found in the journal is
@@ -900,6 +926,10 @@
 
                 <programlisting>journalctl -k -b -1</programlisting>
 
+                <para>Show a live log display from a system service <filename>apache.service</filename>:</para>
+
+                <programlisting>journalctl -f -u apache</programlisting>
+
         </refsect1>
 
         <refsect1>