chiark / gitweb /
main: add a few more useful diagnostic log messages
[elogind.git] / man / systemctl.xml
index 9f00324..a7065f9 100644 (file)
@@ -70,7 +70,7 @@
                 <variablelist>
                         <varlistentry>
                                 <term><option>--help</option></term>
                 <variablelist>
                         <varlistentry>
                                 <term><option>--help</option></term>
-                                <term><option>--h</option></term>
+                                <term><option>-h</option></term>
 
                                 <listitem><para>Prints a short help
                                 text and exits.</para></listitem>
 
                                 <listitem><para>Prints a short help
                                 text and exits.</para></listitem>
@@ -78,6 +78,7 @@
 
                         <varlistentry>
                                 <term><option>--type=</option></term>
 
                         <varlistentry>
                                 <term><option>--type=</option></term>
+                                <term><option>-t</option></term>
 
                                 <listitem><para>When listing units,
                                 limit display to certain unit
 
                                 <listitem><para>When listing units,
                                 limit display to certain unit
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
+                                <term><option>--property=</option></term>
+                                <term><option>-p</option></term>
+
+                                <listitem><para>When showing
+                                unit/job/manager information, limit
+                                display to certain property names. If
+                                not specified all set properties are
+                                shown. The argument should be a
+                                property name, such as
+                                <literal>MainPID</literal>.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>--all</option></term>
                                 <term><option>--all</option></term>
+                                <term><option>-a</option></term>
 
                                 <listitem><para>When listing units,
                                 show all units, regardless of their
 
                                 <listitem><para>When listing units,
                                 show all units, regardless of their
-                                state, including inactive
-                                units.</para></listitem>
+                                state, including inactive units. When
+                                showing unit/job/manager information,
+                                show all properties regardless whether
+                                they are set or not.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
-                                <term><option>--block</option></term>
+                                <term><option>--no-block</option></term>
+
+                               <listitem><para>Do not synchronously wait for
+                               the requested operation to finish. If this is
+                               not specified the job will be verified,
+                               enqueued and <command>systemctl</command> will
+                               wait until it is completed. By passing this
+                               argument it is only verified and
+                               enqueued.</para></listitem> </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--quiet</option></term>
+                                <term><option>-q</option></term>
 
 
-                                <listitem><para>Synchronously wait for
-                                the requested operation to
-                                finish.</para></listitem>
+                                <listitem><para>Suppress output to
+                                STDOUT for <command>snapshot</command>
+                                and
+                                <command>check</command>.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                                 <listitem><para>List known units.</para></listitem>
                         </varlistentry>
                         <varlistentry>
                                 <listitem><para>List known units.</para></listitem>
                         </varlistentry>
                         <varlistentry>
-                                <term><command>list-jobs</command></term>
-
-                                <listitem><para>List jobs that are in progress.</para></listitem>
-                        </varlistentry>
-                        <varlistentry>
-                                <term><command>clear-jobs</command></term>
-
-                                <listitem><para>Cancel all jobs that are in progress.</para></listitem>
-                        </varlistentry>
-                        <varlistentry>
-                                <term><command>load [NAME...]</command></term>
-
-                                <listitem><para>Load one or more units
-                                specified on the command line. This
-                                will simply load their configuration
-                                from disk, but not start them. To
-                                start them you need to use the
-                                <command>start</command> command which
-                                will implicitly load a unit that has
-                                not been loaded yet. Note that systemd
-                                garbage collects loaded units that are
-                                not active or referenced by an active
-                                unit. This means that units loaded
-                                this way will usually not stay loaded
-                                for long. Also note that this command
-                                cannot be used to reload unit
-                                configuration. Use the
-                                <command>daemon-reload</command>
-                                command for that. All in all, this
-                                command is of little use except for
-                                debugging.</para>
-                                <para>This command should not be
-                                confused with the
-                                <command>daemon-reload</command> or
-                                <command>reload</command>
-                                commands.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><command>cancel [JOB...]</command></term>
-
-                                <listitem><para>Cancel one or more
-                                jobs specified on the command line by
-                                their numeric job
-                                IDs.</para></listitem>
-                        </varlistentry>
-                        <varlistentry>
                                 <term><command>start [NAME...]</command></term>
 
                                 <listitem><para>Start one or more
                                 <term><command>start [NAME...]</command></term>
 
                                 <listitem><para>Start one or more
                                 others.</para></listitem>
                         </varlistentry>
                         <varlistentry>
                                 others.</para></listitem>
                         </varlistentry>
                         <varlistentry>
+                                <term><command>check [NAME...]</command></term>
+
+                                <listitem><para>Check whether any of
+                                the specified units is active
+                                (i.e. running). Returns 0 if at least
+                                one is active, non-zero
+                                otherwise. Unless
+                                <option>--quiet</option> is specified
+                                this will also print the current unit
+                                state to STDOUT.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>status [NAME...]</command></term>
+
+                                <listitem><para>Show short status
+                                information about one or more
+                                units. This shows terse runtime
+                                information about
+                                units.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>show [NAME...|JOB...]</command></term>
+
+                                <listitem><para>Show properties of
+                                one or more units, jobs or the manager
+                                itself. If no argument is specified
+                                properties of the manager will be
+                                shown. If a unit name is specified
+                                properties of the unit is shown,
+                                and if a job id is specified
+                                properties of the job is
+                                shown.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>load [NAME...]</command></term>
+
+                                <listitem><para>Load one or more units
+                                specified on the command line. This
+                                will simply load their configuration
+                                from disk, but not start them. To
+                                start them you need to use the
+                                <command>start</command> command which
+                                will implicitly load a unit that has
+                                not been loaded yet. Note that systemd
+                                garbage collects loaded units that are
+                                not active or referenced by an active
+                                unit. This means that units loaded
+                                this way will usually not stay loaded
+                                for long. Also note that this command
+                                cannot be used to reload unit
+                                configuration. Use the
+                                <command>daemon-reload</command>
+                                command for that. All in all, this
+                                command is of little use except for
+                                debugging.</para>
+                                <para>This command should not be
+                                confused with the
+                                <command>daemon-reload</command> or
+                                <command>reload</command>
+                                commands.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>list-jobs</command></term>
+
+                                <listitem><para>List jobs that are in progress.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>cancel [JOB...]</command></term>
+
+                                <listitem><para>Cancel one or more
+                                jobs specified on the command line by
+                                their numeric job
+                                IDs.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
+                                <term><command>clear-jobs</command></term>
+
+                                <listitem><para>Cancel all jobs that are in progress.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
                                 <term><command>monitor</command></term>
 
                                 <listitem><para>Monitor unit/job
                                 <term><command>monitor</command></term>
 
                                 <listitem><para>Monitor unit/job
                                 snapshot will be named after it. If
                                 none is specified an automatic
                                 snapshot name is generated. In either
                                 snapshot will be named after it. If
                                 none is specified an automatic
                                 snapshot name is generated. In either
-                                case, the snapshot name used is printed
-                                to STDOUT.</para>
+                                case, the snapshot name used is
+                                printed to STDOUT, unless
+                                <option>--quiet</option> is
+                                specified.</para>
 
                                 <para>A snapshot refers to a saved
                                 state of the systemd manager. It is
 
                                 <para>A snapshot refers to a saved
                                 state of the systemd manager. It is
                                 on reboot.</para>
                         </varlistentry>
                         <varlistentry>
                                 on reboot.</para>
                         </varlistentry>
                         <varlistentry>
+                                <term><command>delete [NAME...]</command></term>
+
+                                <listitem><para>Remove a snapshot
+                                previously created with
+                                <command>snapshot</command>.</para></listitem>
+                        </varlistentry>
+                        <varlistentry>
                                 <term><command>daemon-reload</command></term>
 
                                 <listitem><para>Reload systemd manager
                                 <term><command>daemon-reload</command></term>
 
                                 <listitem><para>Reload systemd manager
                                 unit files and recreate the entire
                                 dependency tree. While the daemon is
                                 reloaded, all sockets systemd listens
                                 unit files and recreate the entire
                                 dependency tree. While the daemon is
                                 reloaded, all sockets systemd listens
-                                on on behalf of user configuration, will
+                                on on behalf of user configuration will
                                 stay accessible.</para> <para>This
                                 command should not be confused with
                                 the <command>load</command> or
                                 stay accessible.</para> <para>This
                                 command should not be confused with
                                 the <command>load</command> or