<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
+ may be specified explicitly, but are also created implicitly
for units which are <varname>WantedBy=</varname> targets
(see
<citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>),
</listitem>
</varlistentry>
- <varlistentry>
- <term><option>--no-legend</option></term>
-
- <listitem>
- <para>Do not print the legend, i.e. the column headers and
- the footer with hints.</para>
- </listitem>
- </varlistentry>
-
<xi:include href="user-system-options.xml" xpointer="user" />
<xi:include href="user-system-options.xml" xpointer="system" />
querying the user for authentication for privileged
operations.</para>
</listitem>
-
</varlistentry>
<varlistentry>
<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
<xi:include href="user-system-options.xml" xpointer="host" />
<xi:include href="user-system-options.xml" xpointer="machine" />
+ <xi:include href="standard-options.xml" xpointer="no-pager" />
+ <xi:include href="standard-options.xml" xpointer="no-legend" />
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
- <xi:include href="standard-options.xml" xpointer="no-pager" />
</variablelist>
</refsect1>
<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>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><command>reenable <replaceable>NAME</replaceable>...</command></term>
+
+ <listitem>
+ <para>Reenable one or more unit files, as specified on the
+ command line. This is a combination of
+ <command>disable</command> and <command>enable</command> and
+ is useful to reset the symlinks a unit is enabled with to
+ the defaults configured in the <literal>[Install]</literal>
+ section of the unit file.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>preset <replaceable>NAME</replaceable>...</command></term>
+
+ <listitem>
+ <para>Reset one or more unit files, as specified on the
+ command line, to the defaults configured in the preset
+ policy files. This has the same effect as
+ <command>disable</command> or <command>enable</command>,
+ depending how the unit is listed in the preset files.</para>
+
+ <para>Use <option>--preset-mode=</option> to control
+ whether units shall be enabled and disabled, or only
+ enabled, or only disabled.</para>
+
+ <para>For more information on the preset policy format,
+ see
+ <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ For more information on the concept of presets, please
+ consult the <ulink
+ url="http://freedesktop.org/wiki/Software/systemd/Preset">Preset</ulink>
+ document.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>preset-all</command></term>
+
+ <listitem>
+ <para>Resets all installed unit files to the defaults
+ configured in the preset policy file (see above).</para>
+
+ <para>Use <option>--preset-mode=</option> to control
+ whether units shall be enabled and disabled, or only
+ enabled, or only disabled.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><command>is-enabled <replaceable>NAME</replaceable>...</command></term>
</listitem>
</varlistentry>
- <varlistentry>
- <term><command>reenable <replaceable>NAME</replaceable>...</command></term>
-
- <listitem>
- <para>Reenable one or more unit files, as specified on the
- command line. This is a combination of
- <command>disable</command> and <command>enable</command> and
- is useful to reset the symlinks a unit is enabled with to
- the defaults configured in the <literal>[Install]</literal>
- section of the unit file.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><command>preset <replaceable>NAME</replaceable>...</command></term>
-
- <listitem>
- <para>Reset one or more unit files, as specified on the
- command line, to the defaults configured in the preset
- policy files. This has the same effect as
- <command>disable</command> or <command>enable</command>,
- depending how the unit is listed in the preset files.</para>
-
- <para>Use <option>--preset-mode=</option> to control
- whether units shall be enabled and disabled, or only
- enabled, or only disabled.</para>
-
- <para>For more information on the preset policy format,
- see
- <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
- For more information on the concept of presets, please
- consult the <ulink
- url="http://freedesktop.org/wiki/Software/systemd/Preset">Preset</ulink>
- document.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><command>preset-all</command></term>
-
- <listitem>
- <para>Resets all installed unit files to the defaults
- configured in the preset policy file (see above).</para>
-
- <para>Use <option>--preset-mode=</option> to control
- whether units shall be enabled and disabled, or only
- enabled, or only disabled.</para>
- </listitem>
- </varlistentry>
-
<varlistentry>
<term><command>mask <replaceable>NAME</replaceable>...</command></term>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><command>link <replaceable>FILENAME</replaceable>...</command></term>
+
+ <listitem>
+ <para>Link a unit file that is not in the unit file search
+ paths into the unit file search path. This requires an
+ absolute path to a unit file. The effect of this can be
+ undone with <command>disable</command>. The effect of this
+ command is that a unit file is available for
+ <command>start</command> and other commands although it
+ is not installed directly in the unit search path.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><command>add-wants <replaceable>TARGET</replaceable>
<replaceable>NAME</replaceable>...</command></term>
</varlistentry>
<varlistentry>
- <term><command>link <replaceable>FILENAME</replaceable>...</command></term>
+ <term><command>edit <replaceable>NAME</replaceable>...</command></term>
<listitem>
- <para>Link a unit file that is not in the unit file search
- paths into the unit file search path. This requires an
- absolute path to a unit file. The effect of this can be
- undone with <command>disable</command>. The effect of this
- command is that a unit file is available for
- <command>start</command> and other commands although it
- is not installed directly in the unit search path.</para>
+ <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>
<term><command>get-default</command></term>
<listitem>
- <para>Get the default target specified
- via <filename>default.target</filename> link.</para>
+ <para>Return the default target to boot into. This returns
+ the target unit name <filename>default.target</filename>
+ is aliased (symlinked) to.</para>
</listitem>
</varlistentry>
<term><command>set-default <replaceable>NAME</replaceable></command></term>
<listitem>
- <para>Set the default target to boot into. Command links
- <filename>default.target</filename> to the given unit.</para>
+ <para>Set the default target to boot into. This sets
+ (symlinks) the <filename>default.target</filename> alias
+ to the given target unit.</para>
</listitem>
</varlistentry>
+
</variablelist>
</refsect2>
</listitem>
</varlistentry>
<varlistentry>
- <term><command>import-environment <replaceable>VARIABLE</replaceable>...</command></term>
+ <term>
+ <command>import-environment</command>
+ <optional><replaceable>VARIABLE...</replaceable></optional>
+ </term>
<listitem>
<para>Import all, one or more environment variables set on
<term><command>daemon-reload</command></term>
<listitem>
- <para>Reload systemd manager configuration. This will reload
- all unit files and recreate the entire dependency
- tree. While the daemon is being reloaded, all sockets systemd
- listens on behalf of user configuration will stay
- accessible.</para> <para>This command should not be confused
- with the <command>reload</command> command.</para>
+ <para>Reload systemd manager configuration. This will
+ rerun all generators (see
+ <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>),
+ reload all unit files, and recreate the entire dependency
+ tree. While the daemon is being reloaded, all sockets
+ systemd listens on behalf of user configuration will stay
+ accessible.</para>
+
+ <para>This command should not be confused with the
+ <command>reload</command> command.</para>
</listitem>
</varlistentry>
<varlistentry>
<quote>firmware over the air</quote> update.</para>
</listitem>
</varlistentry>
+
<varlistentry>
<term><command>kexec</command></term>
immediately followed by the reboot.</para>
</listitem>
</varlistentry>
+
<varlistentry>
<term><command>exit</command></term>
with the <option>--user</option> option) and will fail
otherwise.</para>
</listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>switch-root <replaceable>ROOT</replaceable> <optional><replaceable>INIT</replaceable></optional></command></term>
+ <listitem>
+ <para>Switches to a different root directory and executes a
+ new system manager process below it. This is intended for
+ usage in initial RAM disks ("initrd"), and will transition
+ from the initrd's system manager process (a.k.a "init"
+ process) to the main system manager process. This call takes two
+ arguments: the directory that is to become the new root directory, and
+ the path to the new system manager binary below it to
+ execute as PID 1. If the latter is omitted or the empty
+ string, a systemd binary will automatically be searched for
+ and used as init. If the system manager path is omitted or
+ equal to the empty string, the state of the initrd's system
+ manager process is passed to the main system manager, which
+ allows later introspection of the state of the services
+ involved in the initrd boot.</para>
+ </listitem>
</varlistentry>
+
<varlistentry>
<term><command>suspend</command></term>
</para>
</listitem>
</varlistentry>
+
<varlistentry>
<term><command>hibernate</command></term>
</para>
</listitem>
</varlistentry>
+
<varlistentry>
<term><command>hybrid-sleep</command></term>
<filename>hybrid-sleep.target</filename> target.</para>
</listitem>
</varlistentry>
- <varlistentry>
- <term><command>switch-root <replaceable>ROOT</replaceable> <optional><replaceable>INIT</replaceable></optional></command></term>
-
- <listitem>
- <para>Switches to a different root directory and executes a
- new system manager process below it. This is intended for
- usage in initial RAM disks ("initrd"), and will transition
- from the initrd's system manager process (a.k.a "init"
- process) to the main system manager process. This call takes two
- arguments: the directory that is to become the new root directory, and
- the path to the new system manager binary below it to
- execute as PID 1. If the latter is omitted or the empty
- string, a systemd binary will automatically be searched for
- and used as init. If the system manager path is omitted or
- equal to the empty string, the state of the initrd's system
- manager process is passed to the main system manager, which
- allows later introspection of the state of the services
- involved in the initrd boot.</para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect2>
<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
- <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.
may match zero units and this is not considered an error.</para>
<para>Glob patterns use
- <citerefentry><refentrytitle>fnmatch</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>fnmatch</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
so normal shell-style globbing rules are used, and
<literal>*</literal>, <literal>?</literal>,
<literal>[]</literal> may be used. See
- <citerefentry><refentrytitle>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for more details. The patterns are matched against the names of
currently loaded units, and patterns which do not match anything
are silently skipped. For example:
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>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemadm</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>machinectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</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>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>glob</refentrytitle><manvolnum>7</manvolnum></citerefentry>
</para>
</refsect1>
~ianmdlvl / elogind.git / blobdiff