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man: merge two sections into two subsections of one section
Those are very close subjects that are a good fit for one section.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
75695fb798
commit
aed5cb03db
@ -76,30 +76,34 @@
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</refsect1>
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<refsect1>
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<title>Implicit Dependencies</title>
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<title>Automatic Dependencies</title>
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<para>The following dependencies are implicitly added:</para>
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<refsect2>
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<title>Implicit Dependencies</title>
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<itemizedlist>
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<listitem><para>If an automount unit is beneath another mount unit in the
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file system hierarchy, both a requirement and an ordering
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dependency between both units are created automatically.</para></listitem>
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<para>The following dependencies are implicitly added:</para>
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<listitem><para>An implicit <varname>Before=</varname> dependency is created
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between an automount unit and the mount unit it activates.</para></listitem>
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</itemizedlist>
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</refsect1>
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<itemizedlist>
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<listitem><para>If an automount unit is beneath another mount unit in the
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file system hierarchy, both a requirement and an ordering
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dependency between both units are created automatically.</para></listitem>
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<refsect1>
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<title>Default Dependencies</title>
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<listitem><para>An implicit <varname>Before=</varname> dependency is created
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between an automount unit and the mount unit it activates.</para></listitem>
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</itemizedlist>
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</refsect2>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<refsect2>
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<title>Default Dependencies</title>
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<itemizedlist>
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<listitem><para>Automount units acquire automatic <varname>Before=</varname> and
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<varname>Conflicts=</varname> on <filename>umount.target</filename> in order to be stopped during
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shutdown.</para></listitem>
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</itemizedlist>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<itemizedlist>
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<listitem><para>Automount units acquire automatic <varname>Before=</varname> and
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<varname>Conflicts=</varname> on <filename>umount.target</filename> in order to be stopped during
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shutdown.</para></listitem>
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</itemizedlist>
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</refsect2>
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</refsect1>
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<refsect1>
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@ -77,25 +77,28 @@
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corresponding device generates a <literal>changed</literal> event.
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Other units can use <varname>ReloadPropagatedFrom=</varname> to react
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to that event</para>
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</refsect1>
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<refsect1>
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<title>Implicit Dependencies</title>
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<title>Automatic Dependencies</title>
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<para>Many unit types automatically acquire dependencies on device
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units of devices they require. For example,
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<filename>.socket</filename> unit acquire dependencies on the
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device units of the network interface specified in
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<varname>BindToDevice=</varname>. Similar, swap and mount units
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acquire dependencies on the units encapsulating their backing
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block devices.</para>
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</refsect1>
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<refsect2>
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<title>Implicit Dependencies</title>
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<refsect1>
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<title>Default Dependencies</title>
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<para>Many unit types automatically acquire dependencies on device
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units of devices they require. For example,
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<filename>.socket</filename> unit acquire dependencies on the
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device units of the network interface specified in
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<varname>BindToDevice=</varname>. Similar, swap and mount units
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acquire dependencies on the units encapsulating their backing
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block devices.</para>
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</refsect2>
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<para>There are no default dependencies for device units.</para>
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<refsect2>
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<title>Default Dependencies</title>
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<para>There are no default dependencies for device units.</para>
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</refsect2>
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</refsect1>
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<refsect1>
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@ -102,57 +102,61 @@
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</refsect1>
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<refsect1>
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<title>Implicit Dependencies</title>
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<title>Automatic Dependencies</title>
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<para>The following dependencies are implicitly added:</para>
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<refsect2>
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<title>Implicit Dependencies</title>
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<itemizedlist>
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<listitem><para>If a mount unit is beneath another mount unit in the file
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system hierarchy, both a requirement dependency and an ordering
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dependency between both units are created automatically.</para></listitem>
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<para>The following dependencies are implicitly added:</para>
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<listitem><para>Block device backed file systems automatically gain
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<varname>BindsTo=</varname> and <varname>After=</varname> type
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dependencies on the device unit encapsulating the block
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device (see below).</para></listitem>
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<itemizedlist>
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<listitem><para>If a mount unit is beneath another mount unit in the file
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system hierarchy, both a requirement dependency and an ordering
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dependency between both units are created automatically.</para></listitem>
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<listitem><para>If traditional file system quota is enabled for a mount
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unit, automatic <varname>Wants=</varname> and
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<varname>Before=</varname> dependencies on
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<filename>systemd-quotacheck.service</filename> and
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<filename>quotaon.service</filename> are added.</para></listitem>
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<listitem><para>Block device backed file systems automatically gain
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<varname>BindsTo=</varname> and <varname>After=</varname> type
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dependencies on the device unit encapsulating the block
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device (see below).</para></listitem>
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<listitem><para>Additional implicit dependencies may be added as result of
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execution and resource control parameters as documented in
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<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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and
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<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para></listitem>
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</itemizedlist>
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</refsect1>
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<listitem><para>If traditional file system quota is enabled for a mount
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unit, automatic <varname>Wants=</varname> and
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<varname>Before=</varname> dependencies on
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<filename>systemd-quotacheck.service</filename> and
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<filename>quotaon.service</filename> are added.</para></listitem>
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<refsect1>
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<title>Default Dependencies</title>
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<listitem><para>Additional implicit dependencies may be added as result of
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execution and resource control parameters as documented in
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<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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and
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<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para></listitem>
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</itemizedlist>
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</refsect2>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<refsect2>
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<title>Default Dependencies</title>
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<itemizedlist>
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<listitem><para>All mount units acquire automatic <varname>Before=</varname> and <varname>Conflicts=</varname> on
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<filename>umount.target</filename> in order to be stopped during shutdown.</para></listitem>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<listitem><para>Mount units referring to local file systems automatically gain
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an <varname>After=</varname> dependency on <filename>local-fs-pre.target</filename>.</para></listitem>
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<itemizedlist>
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<listitem><para>All mount units acquire automatic <varname>Before=</varname> and <varname>Conflicts=</varname> on
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<filename>umount.target</filename> in order to be stopped during shutdown.</para></listitem>
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<listitem><para>Network mount units
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automatically acquire <varname>After=</varname> dependencies on <filename>remote-fs-pre.target</filename>,
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<filename>network.target</filename> and <filename>network-online.target</filename>. Towards the latter a
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<varname>Wants=</varname> unit is added as well.</para></listitem>
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</itemizedlist>
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<listitem><para>Mount units referring to local file systems automatically gain
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an <varname>After=</varname> dependency on <filename>local-fs-pre.target</filename>.</para></listitem>
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<para>Mount units referring to local and network file systems are
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distinguished by their file system type specification. In some cases this is not sufficient (for example network
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block device based mounts, such as iSCSI), in which case <option>_netdev</option> may be added to the mount option
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string of the unit, which forces systemd to consider the mount unit a network mount.</para>
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<listitem><para>Network mount units
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automatically acquire <varname>After=</varname> dependencies on <filename>remote-fs-pre.target</filename>,
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<filename>network.target</filename> and <filename>network-online.target</filename>. Towards the latter a
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<varname>Wants=</varname> unit is added as well.</para></listitem>
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</itemizedlist>
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<para>Mount units referring to local and network file systems are distinguished by their file system type
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specification. In some cases this is not sufficient (for example network block device based mounts, such as
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iSCSI), in which case <option>_netdev</option> may be added to the mount option string of the unit, which forces
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systemd to consider the mount unit a network mount.</para>
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</refsect2>
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</refsect1>
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<refsect1>
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@ -71,36 +71,40 @@
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</refsect1>
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<refsect1>
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<title>Implicit Dependencies</title>
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<title>Automatic Dependencies</title>
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<para>The following dependencies are implicitly added:</para>
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<refsect2>
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<title>Implicit Dependencies</title>
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<itemizedlist>
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<listitem><para>If a path unit is beneath another mount unit in the file
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system hierarchy, both a requirement and an ordering dependency
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between both units are created automatically.</para></listitem>
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<para>The following dependencies are implicitly added:</para>
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<listitem><para>An implicit <varname>Before=</varname> dependency is added
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between a path unit and the unit it is supposed to activate.</para></listitem>
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</itemizedlist>
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</refsect1>
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<itemizedlist>
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<listitem><para>If a path unit is beneath another mount unit in the file
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system hierarchy, both a requirement and an ordering dependency
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between both units are created automatically.</para></listitem>
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<refsect1>
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<title>Default Dependencies</title>
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<listitem><para>An implicit <varname>Before=</varname> dependency is added
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between a path unit and the unit it is supposed to activate.</para></listitem>
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</itemizedlist>
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</refsect2>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<refsect2>
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<title>Default Dependencies</title>
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<itemizedlist>
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<listitem><para>Path units will automatically have dependencies of type <varname>Before=</varname> on
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<filename>paths.target</filename>,
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dependencies of type <varname>After=</varname> and <varname>Requires=</varname> on
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<filename>sysinit.target</filename>, and have dependencies of type <varname>Conflicts=</varname> and
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<varname>Before=</varname> on <filename>shutdown.target</filename>. These ensure that path units are terminated
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cleanly prior to system shutdown. Only path units involved with early boot or late system shutdown should
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disable <varname>DefaultDependencies=</varname> option.</para></listitem>
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</itemizedlist>
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<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
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<para></para>
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<itemizedlist>
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<listitem><para>Path units will automatically have dependencies of type <varname>Before=</varname> on
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<filename>paths.target</filename>,
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dependencies of type <varname>After=</varname> and <varname>Requires=</varname> on
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<filename>sysinit.target</filename>, and have dependencies of type <varname>Conflicts=</varname> and
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<varname>Before=</varname> on <filename>shutdown.target</filename>. These ensure that path units are terminated
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cleanly prior to system shutdown. Only path units involved with early boot or late system shutdown should
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disable <varname>DefaultDependencies=</varname> option.</para></listitem>
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</itemizedlist>
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<para></para>
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</refsect2>
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</refsect1>
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<refsect1>
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@ -64,29 +64,33 @@
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</refsect1>
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<refsect1>
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<title>Implicit Dependencies</title>
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<title>Automatic Dependencies</title>
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<para>Implicit dependencies may be added as result of
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resource control parameters as documented in
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<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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</refsect1>
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<refsect2>
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<title>Implicit Dependencies</title>
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<refsect1>
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<title>Default Dependencies</title>
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<para>Implicit dependencies may be added as result of
|
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resource control parameters as documented in
|
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<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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</refsect2>
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|
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<para>The following dependencies are added unless
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<varname>DefaultDependencies=no</varname> is set:</para>
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<refsect2>
|
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<title>Default Dependencies</title>
|
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|
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<itemizedlist>
|
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<listitem><para>Scope units will automatically have dependencies of
|
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type <varname>Conflicts=</varname> and
|
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<varname>Before=</varname> on
|
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<filename>shutdown.target</filename>. These ensure
|
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that scope units are removed prior to system
|
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shutdown. Only scope units involved with early boot or
|
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late system shutdown should disable
|
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<varname>DefaultDependencies=</varname> option.</para></listitem>
|
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</itemizedlist>
|
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<para>The following dependencies are added unless
|
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<varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
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<itemizedlist>
|
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<listitem><para>Scope units will automatically have dependencies of
|
||||
type <varname>Conflicts=</varname> and
|
||||
<varname>Before=</varname> on
|
||||
<filename>shutdown.target</filename>. These ensure
|
||||
that scope units are removed prior to system
|
||||
shutdown. Only scope units involved with early boot or
|
||||
late system shutdown should disable
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
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</itemizedlist>
|
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</refsect2>
|
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</refsect1>
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<refsect1>
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@ -92,55 +92,59 @@
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</refsect1>
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<refsect1>
|
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<title>Implicit Dependencies</title>
|
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<title>Automatic Dependencies</title>
|
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|
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<para>The following dependencies are implicitly added:</para>
|
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<refsect2>
|
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<title>Implicit Dependencies</title>
|
||||
|
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<itemizedlist>
|
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<listitem><para>Services with <varname>Type=dbus</varname> set automatically
|
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acquire dependencies of type <varname>Requires=</varname> and
|
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<varname>After=</varname> on
|
||||
<filename>dbus.socket</filename>.</para></listitem>
|
||||
<para>The following dependencies are implicitly added:</para>
|
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|
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<listitem><para>Socket activated services are automatically ordered after
|
||||
their activating <filename>.socket</filename> units via an
|
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automatic <varname>After=</varname> dependency.
|
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Services also pull in all <filename>.socket</filename> units
|
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listed in <varname>Sockets=</varname> via automatic
|
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<varname>Wants=</varname> and <varname>After=</varname> dependencies.</para></listitem>
|
||||
</itemizedlist>
|
||||
<itemizedlist>
|
||||
<listitem><para>Services with <varname>Type=dbus</varname> set automatically
|
||||
acquire dependencies of type <varname>Requires=</varname> and
|
||||
<varname>After=</varname> on
|
||||
<filename>dbus.socket</filename>.</para></listitem>
|
||||
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect1>
|
||||
<listitem><para>Socket activated services are automatically ordered after
|
||||
their activating <filename>.socket</filename> units via an
|
||||
automatic <varname>After=</varname> dependency.
|
||||
Services also pull in all <filename>.socket</filename> units
|
||||
listed in <varname>Sockets=</varname> via automatic
|
||||
<varname>Wants=</varname> and <varname>After=</varname> dependencies.</para></listitem>
|
||||
</itemizedlist>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect2>
|
||||
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Service units will have dependencies of type <varname>Requires=</varname> and
|
||||
<varname>After=</varname> on <filename>sysinit.target</filename>, a dependency of type <varname>After=</varname> on
|
||||
<filename>basic.target</filename> as well as dependencies of type <varname>Conflicts=</varname> and
|
||||
<varname>Before=</varname> on <filename>shutdown.target</filename>. These ensure that normal service units pull in
|
||||
basic system initialization, and are terminated cleanly prior to system shutdown. Only services involved with early
|
||||
boot or late system shutdown should disable this option.</para></listitem>
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<listitem><para>Instanced service units (i.e. service units with an <literal>@</literal> in their name) are assigned by
|
||||
default a per-template slice unit (see
|
||||
<citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>), named after the
|
||||
template unit, containing all instances of the specific template. This slice is normally stopped at shutdown,
|
||||
together with all template instances. If that is not desired, set <varname>DefaultDependencies=no</varname> in the
|
||||
template unit, and either define your own per-template slice unit file that also sets
|
||||
<varname>DefaultDependencies=no</varname>, or set <varname>Slice=system.slice</varname> (or another suitable slice)
|
||||
in the template unit. Also see
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
<itemizedlist>
|
||||
<listitem><para>Service units will have dependencies of type <varname>Requires=</varname> and
|
||||
<varname>After=</varname> on <filename>sysinit.target</filename>, a dependency of type <varname>After=</varname> on
|
||||
<filename>basic.target</filename> as well as dependencies of type <varname>Conflicts=</varname> and
|
||||
<varname>Before=</varname> on <filename>shutdown.target</filename>. These ensure that normal service units pull in
|
||||
basic system initialization, and are terminated cleanly prior to system shutdown. Only services involved with early
|
||||
boot or late system shutdown should disable this option.</para></listitem>
|
||||
|
||||
<listitem><para>Instanced service units (i.e. service units with an <literal>@</literal> in their name) are assigned by
|
||||
default a per-template slice unit (see
|
||||
<citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>), named after the
|
||||
template unit, containing all instances of the specific template. This slice is normally stopped at shutdown,
|
||||
together with all template instances. If that is not desired, set <varname>DefaultDependencies=no</varname> in the
|
||||
template unit, and either define your own per-template slice unit file that also sets
|
||||
<varname>DefaultDependencies=no</varname>, or set <varname>Slice=system.slice</varname> (or another suitable slice)
|
||||
in the template unit. Also see
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -85,29 +85,33 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Implicit Dependencies</title>
|
||||
<title>Automatic Dependencies</title>
|
||||
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Slice units automatically gain dependencies of type
|
||||
<varname>After=</varname> and <varname>Requires=</varname> on
|
||||
their immediate parent slice unit.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect1>
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<itemizedlist>
|
||||
<listitem><para>Slice units automatically gain dependencies of type
|
||||
<varname>After=</varname> and <varname>Requires=</varname> on
|
||||
their immediate parent slice unit.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Slice units will automatically have dependencies of type <varname>Conflicts=</varname> and
|
||||
<varname>Before=</varname> on
|
||||
<filename>shutdown.target</filename>. These ensure that slice units are removed prior to system shutdown.
|
||||
Only slice units involved with late system shutdown should disable
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
</itemizedlist>
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Slice units will automatically have dependencies of type <varname>Conflicts=</varname> and
|
||||
<varname>Before=</varname> on
|
||||
<filename>shutdown.target</filename>. These ensure that slice units are removed prior to system shutdown.
|
||||
Only slice units involved with late system shutdown should disable
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -110,53 +110,57 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Implicit Dependencies</title>
|
||||
<title>Automatic Dependencies</title>
|
||||
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Socket units automatically gain a <varname>Before=</varname>
|
||||
dependency on the service units they activate.</para></listitem>
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
|
||||
<listitem><para>Socket units referring to file system paths (such as AF_UNIX
|
||||
sockets or FIFOs) implicitly gain <varname>Requires=</varname> and
|
||||
<varname>After=</varname> dependencies on all mount units
|
||||
necessary to access those paths.</para></listitem>
|
||||
<itemizedlist>
|
||||
<listitem><para>Socket units automatically gain a <varname>Before=</varname>
|
||||
dependency on the service units they activate.</para></listitem>
|
||||
|
||||
<listitem><para>Socket units using the <varname>BindToDevice=</varname>
|
||||
setting automatically gain a <varname>BindsTo=</varname> and
|
||||
<varname>After=</varname> dependency on the device unit
|
||||
encapsulating the specified network interface.</para></listitem>
|
||||
</itemizedlist>
|
||||
<listitem><para>Socket units referring to file system paths (such as AF_UNIX
|
||||
sockets or FIFOs) implicitly gain <varname>Requires=</varname> and
|
||||
<varname>After=</varname> dependencies on all mount units
|
||||
necessary to access those paths.</para></listitem>
|
||||
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect1>
|
||||
<listitem><para>Socket units using the <varname>BindToDevice=</varname>
|
||||
setting automatically gain a <varname>BindsTo=</varname> and
|
||||
<varname>After=</varname> dependency on the device unit
|
||||
encapsulating the specified network interface.</para></listitem>
|
||||
</itemizedlist>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect2>
|
||||
|
||||
<para>The following dependencies are added unless
|
||||
<varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Socket units automatically gain a
|
||||
<varname>Before=</varname> dependency on
|
||||
<filename>sockets.target</filename>.</para></listitem>
|
||||
<para>The following dependencies are added unless
|
||||
<varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<listitem><para>Socket units automatically gain a pair of
|
||||
<varname>After=</varname> and <varname>Requires=</varname>
|
||||
dependency on <filename>sysinit.target</filename>, and a pair of
|
||||
<varname>Before=</varname> and <varname>Conflicts=</varname>
|
||||
dependencies on <filename>shutdown.target</filename>. These
|
||||
dependencies ensure that the socket unit is started before normal
|
||||
services at boot, and is stopped on shutdown. Only sockets
|
||||
involved with early boot or late system shutdown should disable
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
</itemizedlist>
|
||||
<itemizedlist>
|
||||
<listitem><para>Socket units automatically gain a
|
||||
<varname>Before=</varname> dependency on
|
||||
<filename>sockets.target</filename>.</para></listitem>
|
||||
|
||||
<listitem><para>Socket units automatically gain a pair of
|
||||
<varname>After=</varname> and <varname>Requires=</varname>
|
||||
dependency on <filename>sysinit.target</filename>, and a pair of
|
||||
<varname>Before=</varname> and <varname>Conflicts=</varname>
|
||||
dependencies on <filename>shutdown.target</filename>. These
|
||||
dependencies ensure that the socket unit is started before normal
|
||||
services at boot, and is stopped on shutdown. Only sockets
|
||||
involved with early boot or late system shutdown should disable
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -76,34 +76,38 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Implicit Dependencies</title>
|
||||
<title>Automatic Dependencies</title>
|
||||
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>All swap units automatically get the
|
||||
<varname>BindsTo=</varname> and <varname>After=</varname>
|
||||
dependencies on the device units or the mount units of the files
|
||||
they are activated from.</para></listitem>
|
||||
</itemizedlist>
|
||||
<para>The following dependencies are implicitly added:</para>
|
||||
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect1>
|
||||
<itemizedlist>
|
||||
<listitem><para>All swap units automatically get the
|
||||
<varname>BindsTo=</varname> and <varname>After=</varname>
|
||||
dependencies on the device units or the mount units of the files
|
||||
they are activated from.</para></listitem>
|
||||
</itemizedlist>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<para>Additional implicit dependencies may be added as result of
|
||||
execution and resource control parameters as documented in
|
||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
||||
</refsect2>
|
||||
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Swap units automatically acquire a <varname>Conflicts=</varname> and a
|
||||
<varname>Before=</varname> dependency on <filename>umount.target</filename> so that they are deactivated at
|
||||
shutdown as well as a <varname>Before=swap.target</varname> dependency.</para></listitem>
|
||||
</itemizedlist>
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Swap units automatically acquire a <varname>Conflicts=</varname> and a
|
||||
<varname>Before=</varname> dependency on <filename>umount.target</filename> so that they are deactivated at
|
||||
shutdown as well as a <varname>Before=swap.target</varname> dependency.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -69,30 +69,34 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Implicit Dependencies</title>
|
||||
<title>Automatic Dependencies</title>
|
||||
|
||||
<para>There are no implicit dependencies for target units.</para>
|
||||
</refsect1>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<para>There are no implicit dependencies for target units.</para>
|
||||
</refsect2>
|
||||
|
||||
<para>The following dependencies are added unless
|
||||
<varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Target units will automatically complement all
|
||||
configured dependencies of type <varname>Wants=</varname> or
|
||||
<varname>Requires=</varname> with dependencies of type
|
||||
<varname>After=</varname> unless <varname>DefaultDependencies=no</varname>
|
||||
is set in the specified units. Note that <varname>Wants=</varname> or
|
||||
<varname>Requires=</varname> must be defined in the target unit itself — if
|
||||
you for example define <varname>Wants=</varname>some.target in
|
||||
some.service, the automatic ordering will not be added.</para></listitem>
|
||||
<para>The following dependencies are added unless
|
||||
<varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<listitem><para>Target units automatically gain <varname>Conflicts=</varname>
|
||||
dependency against <filename>shutdown.target</filename>.</para></listitem>
|
||||
</itemizedlist>
|
||||
<itemizedlist>
|
||||
<listitem><para>Target units will automatically complement all
|
||||
configured dependencies of type <varname>Wants=</varname> or
|
||||
<varname>Requires=</varname> with dependencies of type
|
||||
<varname>After=</varname> unless <varname>DefaultDependencies=no</varname>
|
||||
is set in the specified units. Note that <varname>Wants=</varname> or
|
||||
<varname>Requires=</varname> must be defined in the target unit itself — if
|
||||
you for example define <varname>Wants=</varname>some.target in
|
||||
some.service, the automatic ordering will not be added.</para></listitem>
|
||||
|
||||
<listitem><para>Target units automatically gain <varname>Conflicts=</varname>
|
||||
dependency against <filename>shutdown.target</filename>.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -82,23 +82,33 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<title>Automatic Dependencies</title>
|
||||
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Timer units will automatically have dependencies of type <varname>Requires=</varname> and
|
||||
<varname>After=</varname> on <filename>sysinit.target</filename>, a dependency of type <varname>Before=</varname>
|
||||
on <filename>timers.target</filename>, as well as <varname>Conflicts=</varname> and <varname>Before=</varname> on
|
||||
<filename>shutdown.target</filename> to ensure that they are stopped cleanly prior to system shutdown. Only timer
|
||||
units involved with early boot or late system shutdown should disable the
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
<para>There are no implicit dependencies for timer units.</para>
|
||||
</refsect2>
|
||||
|
||||
<listitem><para>Timer units
|
||||
with at least one <varname>OnCalendar=</varname> directive will have an additional <varname>After=</varname>
|
||||
dependency on <filename>time-sync.target</filename> to avoid being started before the system clock has been
|
||||
correctly set.</para></listitem>
|
||||
</itemizedlist>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<para>The following dependencies are added unless <varname>DefaultDependencies=no</varname> is set:</para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem><para>Timer units will automatically have dependencies of type <varname>Requires=</varname> and
|
||||
<varname>After=</varname> on <filename>sysinit.target</filename>, a dependency of type <varname>Before=</varname>
|
||||
on <filename>timers.target</filename>, as well as <varname>Conflicts=</varname> and <varname>Before=</varname> on
|
||||
<filename>shutdown.target</filename> to ensure that they are stopped cleanly prior to system shutdown. Only timer
|
||||
units involved with early boot or late system shutdown should disable the
|
||||
<varname>DefaultDependencies=</varname> option.</para></listitem>
|
||||
|
||||
<listitem><para>Timer units
|
||||
with at least one <varname>OnCalendar=</varname> directive will have an additional <varname>After=</varname>
|
||||
dependency on <filename>time-sync.target</filename> to avoid being started before the system clock has been
|
||||
correctly set.</para></listitem>
|
||||
</itemizedlist>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -268,40 +268,40 @@
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Implicit Dependencies</title>
|
||||
<title>Automatic dependencies</title>
|
||||
|
||||
<para>A number of unit dependencies are implicitly established,
|
||||
depending on unit type and unit configuration. These implicit
|
||||
dependencies can make unit configuration file cleaner. For the
|
||||
implicit dependencies in each unit type, please refer to
|
||||
section "Implicit Dependencies" in respective man pages.</para>
|
||||
<refsect2>
|
||||
<title>Implicit Dependencies</title>
|
||||
|
||||
<para>For example, service units with <varname>Type=dbus</varname>
|
||||
automatically acquire dependencies of type <varname>Requires=</varname>
|
||||
and <varname>After=</varname> on <filename>dbus.socket</filename>. See
|
||||
<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
for details.</para>
|
||||
</refsect1>
|
||||
<para>A number of unit dependencies are implicitly established, depending on unit type and
|
||||
unit configuration. These implicit dependencies can make unit configuration file cleaner. For
|
||||
the implicit dependencies in each unit type, please refer to section "Implicit Dependencies"
|
||||
in respective man pages.</para>
|
||||
|
||||
<refsect1>
|
||||
<title>Default Dependencies</title>
|
||||
<para>For example, service units with <varname>Type=dbus</varname> automatically acquire
|
||||
dependencies of type <varname>Requires=</varname> and <varname>After=</varname> on
|
||||
<filename>dbus.socket</filename>. See
|
||||
<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
for details.</para>
|
||||
</refsect2>
|
||||
|
||||
<para>Default dependencies are similar to implicit dependencies,
|
||||
but can be turned on and off by setting
|
||||
<varname>DefaultDependencies=</varname> to <varname>yes</varname>
|
||||
(the default) and <varname>no</varname>, while implicit dependencies
|
||||
are always in effect. See section "Default Dependencies" in respective
|
||||
man pages for the effect of enabling
|
||||
<varname>DefaultDependencies=</varname> in each unit types.</para>
|
||||
<refsect2>
|
||||
<title>Default Dependencies</title>
|
||||
|
||||
<para>For example, target units will complement all configured
|
||||
dependencies of type <varname>Wants=</varname> or
|
||||
<varname>Requires=</varname> with dependencies of type
|
||||
<varname>After=</varname> unless <varname>DefaultDependencies=no</varname>
|
||||
is set in the specified units. See
|
||||
<citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
for details. Note that this behavior can be turned off by setting
|
||||
<varname>DefaultDependencies=no</varname>.</para>
|
||||
<para>Default dependencies are similar to implicit dependencies, but can be turned on and off
|
||||
by setting <varname>DefaultDependencies=</varname> to <varname>yes</varname> (the default) and
|
||||
<varname>no</varname>, while implicit dependencies are always in effect. See section "Default
|
||||
Dependencies" in respective man pages for the effect of enabling
|
||||
<varname>DefaultDependencies=</varname> in each unit types.</para>
|
||||
|
||||
<para>For example, target units will complement all configured dependencies of type
|
||||
<varname>Wants=</varname> or <varname>Requires=</varname> with dependencies of type
|
||||
<varname>After=</varname> unless <varname>DefaultDependencies=no</varname> is set in the
|
||||
specified units. See
|
||||
<citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
for details. Note that this behavior can be turned off by setting
|
||||
<varname>DefaultDependencies=no</varname>.</para>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user