bus-proxyd: ignore errors from sd_bus_creds_get_well_known_names()

[elogind.git] / man / systemctl.xml

diff --git a/man/systemctl.xml b/man/systemctl.xml
index 8a4cff8833a578a7a8617919e5d37b1f38e3daf0..d1991e0f97ad4266fb0fb709b55e62a7c2278a55 100644 (file)
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0'?> <!--*-nxml-*-->
+<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->

 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 


@@ -151,9 +151,12 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
         <listitem>
           <para>Show reverse dependencies between units with
 
         <listitem>
           <para>Show reverse dependencies between units with

-          <command>list-dependencies</command>, i.e. units with
-          dependencies of type <varname>Wants=</varname> or
-          <varname>Requires=</varname> on the given unit.
+          <command>list-dependencies</command>, i.e. follow
+          dependencies of type <varname>WantedBy=</varname>,
+          <varname>RequiredBy=</varname>,
+          <varname>RequiredByOverrridable=</varname>,
+          <varname>PartOf=</varname>, <varname>BoundBy=</varname>,
+          instead of <varname>Wants=</varname> and similar.

           </para>
         </listitem>
       </varlistentry>
           </para>
         </listitem>
       </varlistentry>


@@ -164,10 +167,20 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
         <listitem>
           <para>With <command>list-dependencies</command>, show the
           units that are ordered before the specified unit. In other
         <listitem>
           <para>With <command>list-dependencies</command>, show the
           units that are ordered before the specified unit. In other

-          words, list the units that are in the <varname>After=</varname>
-          directive of the specified unit, have the specified unit in
-          their <varname>Before=</varname> directive, or are otherwise
-          implicit dependencies of the specified unit.</para>
+          words, recursively list units following the
+          <varname>After=</varname> dependency.</para>
+
+          <para>Note that any <varname>After=</varname> dependency is
+          automatically mirrored to create a
+          <varname>Before=</varname> dependency. Temporal dependencies
+          may be specified explictly, but are also created implicitly
+          for units which are <varname>WantedBy=</varname> targets
+          (see
+          <citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>),
+          and as a result of other directives (for example
+          <varname>RequiresMountsFor=</varname>). Both explicitly
+          and implicitly introduced dependencies are shown with
+          <command>list-dependencies</command>.</para>

         </listitem>
       </varlistentry>
 
         </listitem>
       </varlistentry>
 


@@ -177,10 +190,8 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
         <listitem>
           <para>With <command>list-dependencies</command>, show the
           units that are ordered after the specified unit. In other
         <listitem>
           <para>With <command>list-dependencies</command>, show the
           units that are ordered after the specified unit. In other

-          words, list the units that are in the <varname>Before=</varname>
-          directive of the specified unit, have the specified unit in
-          their <varname>After=</varname> directive, or otherwise depend
-          on the specified unit.</para>
+          words, recursively list units following the
+          <varname>Before=</varname> dependency.</para>

         </listitem>
       </varlistentry>
 
         </listitem>
       </varlistentry>
 


@@ -471,7 +482,7 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
         <listitem>
           <para>When used with <command>enable</command>,
 
         <listitem>
           <para>When used with <command>enable</command>,

-          <command>disable</command>,
+          <command>disable</command>, <command>edit</command>,

           (and related commands), make changes only temporarily, so
           that they are lost on the next reboot. This will have the
           effect that changes are not made in subdirectories of
           (and related commands), make changes only temporarily, so
           that they are lost on the next reboot. This will have the
           effect that changes are not made in subdirectories of


@@ -586,7 +597,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
             </para>
 
             <para>See also the options <option>--show-types</option>,
             </para>
 
             <para>See also the options <option>--show-types</option>,

-            <option>--all</option>, and <option>--failed</option>.</para>
+            <option>--all</option>, and <option>--state=</option>.</para>

           </listitem>
         </varlistentry>
 
           </listitem>
         </varlistentry>
 


@@ -600,7 +611,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
             </para>
 
             <para>See also the options <option>--all</option> and
             </para>
 
             <para>See also the options <option>--all</option> and

-            <option>--failed</option>.</para>
+            <option>--state=</option>.</para>

           </listitem>
         </varlistentry>
 
           </listitem>
         </varlistentry>
 


@@ -694,7 +705,9 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
 
           <listitem>
             <para>Start the unit specified on the command line and its
 
           <listitem>
             <para>Start the unit specified on the command line and its

-            dependencies and stop all others.</para>
+            dependencies and stop all others. If a unit name with no
+            extension is given, an extension of
+            <literal>.target</literal> will be assumed.</para>

 
             <para>This is similar to changing the runlevel in a
             traditional init system. The <command>isolate</command>
 
             <para>This is similar to changing the runlevel in a
             traditional init system. The <command>isolate</command>


@@ -848,15 +861,30 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
         </varlistentry>
 
         <varlistentry>
         </varlistentry>
 
         <varlistentry>

-          <term><command>list-dependencies <replaceable>NAME</replaceable></command></term>
+          <term>
+            <command>list-dependencies</command>
+            <optional><replaceable>NAME</replaceable></optional>
+          </term>

 
           <listitem>
 
           <listitem>

-            <para>Shows required and wanted units of the specified
-            unit. If no unit is specified,
-            <filename>default.target</filename> is implied. Target units
-            are recursively expanded.  When <option>--all</option> is
-            passed, all other units are recursively expanded as
-            well.</para>
+            <para>Shows units required and wanted by the specified
+            unit. This recursively lists units following the
+            <varname>Requires=</varname>,
+            <varname>RequiresOverridable=</varname>,
+            <varname>Requisite=</varname>,
+            <varname>RequisiteOverridable=</varname>,
+            <varname>Wants=</varname>, <varname>BindsTo=</varname>
+            dependencies. If no unit is specified,
+            <filename>default.target</filename> is implied.</para>
+
+            <para>By default, only target units are recursively
+            expanded. When <option>--all</option> is passed, all other
+            units are recursively expanded as well.</para>
+
+            <para>Options <option>--reverse</option>,
+            <option>--after</option>, <option>--before</option>
+            may be used to change what types of dependencies
+            are shown.</para>

           </listitem>
         </varlistentry>
       </variablelist>
           </listitem>
         </varlistentry>
       </variablelist>


@@ -991,7 +1019,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
                 <tbody>
                   <row>
                     <entry><literal>enabled</literal></entry>
                 <tbody>
                   <row>
                     <entry><literal>enabled</literal></entry>

-                    <entry morerows='1'>Enabled through a symlink in <filename>.wants</filename> directory (permanently or just in <filename>/run</filename>)</entry>
+                    <entry morerows='1'>Enabled through a symlink in <filename>.wants</filename> directory (permanently or just in <filename>/run</filename>).</entry>

                     <entry morerows='1'>0</entry>
                   </row>
                   <row>
                     <entry morerows='1'>0</entry>
                   </row>
                   <row>


@@ -999,7 +1027,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
                   </row>
                   <row>
                     <entry><literal>linked</literal></entry>
                   </row>
                   <row>
                     <entry><literal>linked</literal></entry>

-                    <entry morerows='1'>Made available through a symlink to the unit file (permanently or just in <filename>/run</filename>)</entry>
+                    <entry morerows='1'>Made available through a symlink to the unit file (permanently or just in <filename>/run</filename>).</entry>

                     <entry morerows='1'>1</entry>
                   </row>
                   <row>
                     <entry morerows='1'>1</entry>
                   </row>
                   <row>


@@ -1007,7 +1035,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
                   </row>
                   <row>
                     <entry><literal>masked</literal></entry>
                   </row>
                   <row>
                     <entry><literal>masked</literal></entry>

-                    <entry morerows='1'>Disabled entirely (permanently or just in <filename>/run</filename>)</entry>
+                    <entry morerows='1'>Disabled entirely (permanently or just in <filename>/run</filename>).</entry>

                     <entry morerows='1'>1</entry>
                   </row>
                   <row>
                     <entry morerows='1'>1</entry>
                   </row>
                   <row>


@@ -1015,12 +1043,17 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
                   </row>
                   <row>
                     <entry><literal>static</literal></entry>
                   </row>
                   <row>
                     <entry><literal>static</literal></entry>

-                    <entry>Unit is not enabled, but has no provisions for enabling in [Install] section</entry>
+                    <entry>Unit file is not enabled, and has no provisions for enabling in the <literal>[Install]</literal> section.</entry>
+                    <entry>0</entry>
+                  </row>
+                  <row>
+                    <entry><literal>indirect</literal></entry>
+                    <entry>Unit file itself is not enabled, but it has a non-empty <varname>Also=</varname> setting in the <literal>[Install]</literal> section, listing other unit files that might be enabled.</entry>

                     <entry>0</entry>
                   </row>
                   <row>
                     <entry><literal>disabled</literal></entry>
                     <entry>0</entry>
                   </row>
                   <row>
                     <entry><literal>disabled</literal></entry>

-                    <entry>Unit is not enabled</entry>
+                    <entry>Unit file is not enabled.</entry>

                     <entry>1</entry>
                   </row>
                 </tbody>
                     <entry>1</entry>
                   </row>
                 </tbody>


@@ -1156,6 +1189,43 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
             <filename>default.target</filename> to the given unit.</para>
           </listitem>
         </varlistentry>
             <filename>default.target</filename> to the given unit.</para>
           </listitem>
         </varlistentry>

+
+        <varlistentry>
+          <term><command>edit <replaceable>NAME</replaceable>...</command></term>
+
+          <listitem>
+            <para>Edit a drop-in snippet or a whole replacement file if
+            <option>--full</option> is specified, to extend or override the
+            specified unit.</para>
+
+            <para>Depending on whether <option>--system</option> (the default),
+            <option>--user</option>, or <option>--global</option> is specified,
+            this creates a drop-in file for each unit either for the system,
+            for the calling user or for all futures logins of all users. Then,
+            the editor (see the "Environment" section below) is invoked on
+            temporary files which will be written to the real location if the
+            editor exits successfully.</para>
+
+            <para>If <option>--full</option> is specified, this will copy the
+            original units instead of creating drop-in files.</para>
+
+            <para>If <option>--runtime</option> is specified, the changes will
+            be made temporarily in <filename>/run</filename> and they will be
+            lost on the next reboot.</para>
+
+            <para>If the temporary file is empty upon exit the modification of
+            the related unit is canceled</para>
+
+            <para>After the units have been edited, systemd configuration is
+            reloaded (in a way that is equivalent to <command>daemon-reload</command>).
+            </para>
+
+            <para>Note that this command cannot be used to remotely edit units
+            and that you cannot temporarily edit units which are in
+            <filename>/etc</filename> since they take precedence over
+            <filename>/run</filename>.</para>
+          </listitem>
+        </varlistentry>

       </variablelist>
     </refsect2>
 
       </variablelist>
     </refsect2>
 


@@ -1566,9 +1636,9 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
       <programlisting># systemctl start sshd</programlisting> and
       <programlisting># systemctl start sshd.service</programlisting>
       are equivalent, as are
       <programlisting># systemctl start sshd</programlisting> and
       <programlisting># systemctl start sshd.service</programlisting>
       are equivalent, as are

-      <programlisting># systemctl isolate snapshot-11</programlisting>
+      <programlisting># systemctl isolate default</programlisting>

       and
       and

-      <programlisting># systemctl isolate snapshot-11.snapshot</programlisting>
+      <programlisting># systemctl isolate default.target</programlisting>

       Note that (absolute) paths to device nodes are automatically
       converted to device unit names, and other (absolute) paths to
       mount unit names.
       Note that (absolute) paths to device nodes are automatically
       converted to device unit names, and other (absolute) paths to
       mount unit names.


@@ -1614,7 +1684,28 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
     code otherwise.</para>
   </refsect1>
 
     code otherwise.</para>
   </refsect1>
 

-  <xi:include href="less-variables.xml" />
+  <refsect1>
+    <title>Environment</title>
+
+    <variablelist class='environment-variables'>
+      <varlistentry>
+        <term><varname>$SYSTEMD_EDITOR</varname></term>
+
+        <listitem><para>Editor to use when editing units; overrides
+        <varname>$EDITOR</varname> and <varname>$VISUAL</varname>. If neither
+        <varname>$SYSTEMD_EDITOR</varname> nor <varname>$EDITOR</varname> nor
+        <varname>$VISUAL</varname> are present or if it is set to an empty
+        string or if their execution failed, systemctl will try to execute well
+        known editors in this order:
+        <citerefentry><refentrytitle>nano</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+        <citerefentry><refentrytitle>vim</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+        <citerefentry><refentrytitle>vi</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
+        </para></listitem>
+      </varlistentry>
+    </variablelist>
+    <xi:include href="less-variables.xml" xpointer="pager"/>
+    <xi:include href="less-variables.xml" xpointer="less"/>
+  </refsect1>

 
   <refsect1>
     <title>See Also</title>
 
   <refsect1>
     <title>See Also</title>


@@ -1627,7 +1718,7 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
       <citerefentry><refentrytitle>systemd.resource-management</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
       <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
       <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
       <citerefentry><refentrytitle>systemd.resource-management</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
       <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
       <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>,

-      <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+      <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>,

       <citerefentry><refentrytitle>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
     </para>
   </refsect1>
       <citerefentry><refentrytitle>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
     </para>
   </refsect1>