tree-wide: drop license boilerplate

[thirdparty/systemd.git] / man / journalctl.xml

diff --git a/man/journalctl.xml b/man/journalctl.xml
index 39c8c07d6b7d1c742744dffe39566a76cf078230..1bec2b79fb5b4c815869915408c0db7f3d3f8128 100644 (file)
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -8,19 +8,6 @@
   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 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="journalctl"
@@ -930,7 +917,8 @@
     <para>With one match specified, all entries with a field matching
     the expression are shown:</para>
 
-    <programlisting>journalctl _SYSTEMD_UNIT=avahi-daemon.service</programlisting>
+    <programlisting>journalctl _SYSTEMD_UNIT=avahi-daemon.service
+journalctl _SYSTEMD_CGROUP=/user.slice/user-42.slice/session-c1.scope</programlisting>
 
     <para>If two different fields are matched, only entries matching
     both expressions at the same time are shown:</para>
@@ -950,6 +938,19 @@
 
     <programlisting>journalctl _SYSTEMD_UNIT=avahi-daemon.service _PID=28097 + _SYSTEMD_UNIT=dbus.service</programlisting>
 
+    <para>To show all fields emited <emphasis>by</emphasis> a unit and <emphasis>about</emphasis>
+    the unit, option <option>-u</option>/<option>--unit=</option> should be used.
+    <command>journalctl -u <replaceable>name</replaceable></command>
+    expands to a complex filter similar to
+    <programlisting>_SYSTEMD_UNIT=<replaceable>name</replaceable>.service
+  + UNIT=<replaceable>name</replaceable>.service _PID=1
+  + OBJECT_SYSTEMD_UNIT=<replaceable>name</replaceable>.service _UID=0
+  + COREDUMP_UNIT=<replaceable>name</replaceable>.service _UID=0 MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1
+    </programlisting>
+    (see <citerefentry><refentrytitle>systemd.journal-fields</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+    for an explanation of those patterns).
+    </para>
+
     <para>Show all logs generated by the D-Bus executable:</para>
 
     <programlisting>journalctl /usr/bin/dbus-daemon</programlisting>