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man: update wait-online and RequiredForOnline= setting
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'>
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<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-networkd-wait-online.service</title>
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@ -48,8 +49,8 @@
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<variablelist>
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<varlistentry>
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<term><option>-i</option></term>
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<term><option>--interface=</option></term>
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<term><option>-i</option> <replaceable>INTERFACE</replaceable><optional>:<replaceable>OPERSTATE</replaceable></optional></term>
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<term><option>--interface=</option><replaceable>INTERFACE</replaceable><optional>:<replaceable>OPERSTATE</replaceable></optional></term>
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<listitem><para>Network interface to wait for before deciding
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if the system is online. This is useful when a system has
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@ -57,21 +58,53 @@
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one is necessary to access some network resources. This option
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may be used more than once to wait for multiple network
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interfaces. When used, all other interfaces are ignored.
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Optinally, required minimum operational state can be
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specified after a colon <literal>:</literal>. Please see
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<citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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for possible operational states. If the operational state is not specified here, then
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the value from <varname>RequiredForOnline=</varname> in the corresponding
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<filename>.network</filename> file is used if present, and <literal>degraded</literal> otherwise.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--ignore=</option></term>
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<term><option>--ignore=</option><replaceable>INTERFACE</replaceable></term>
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<listitem><para>Network interfaces to be ignored when deciding
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if the system is online. By default, only the loopback
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interface is ignored. This option may be used more than once
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to ignore multiple network interfaces. </para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--timeout=</option></term>
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<term><option>-o</option> <replaceable>OPERSTATE</replaceable></term>
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<term><option>--operational-state=</option><replaceable>OPERSTATE</replaceable></term>
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<listitem><para>Takes an operational state. Please see
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<citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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for possible operational states. If set, the specified value overrides
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<varname>RequiredForOnline=</varname> settings in <filename>.network</filename> files.
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But this does not override operational states specified in <option>--interface</option> option.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--timeout=</option> <replaceable>SECS</replaceable></term>
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<listitem><para>Fail the service if the network is not online
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by the time the timeout elapses. A timeout of 0 disables the
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timeout. Defaults to 120 seconds. </para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-q</option></term>
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<term><option>--quiet</option></term>
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<listitem><para>Suppress log messages.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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@ -80,7 +113,8 @@
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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@ -255,15 +255,19 @@
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<varlistentry>
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<term><varname>RequiredForOnline=</varname></term>
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<listitem>
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<para>Takes a boolean. When <literal>yes</literal>, the network is deemed
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required when determining whether the system is online when running
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<literal>systemd-networkd-wait-online</literal>.
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When <literal>no</literal>, the network is ignored when checking for
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online state. Defaults to <literal>yes</literal>.</para>
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<para>Takes a boolean or operational state. Please see
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<citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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for possible operational states. When <literal>yes</literal>, the network is deemed required when
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determining whether the system is online when running
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<command>systemd-networkd-wait-online</command>. When <literal>no</literal>, the network is ignored
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when checking for online state. When an operational state is set, <literal>yes</literal> is implied,
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and this controls the operational state required for the network interface to be considered online.
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Defaults to <literal>yes</literal>.</para>
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<para>The network will be brought up normally in all cases, but in
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the event that there is no address being assigned by DHCP or the
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cable is not plugged in, the link will simply remain offline and be
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skipped automatically by <literal>systemd-networkd-wait-online</literal>
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skipped automatically by <command>systemd-networkd-wait-online</command>
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if <literal>RequiredForOnline=no</literal>.</para>
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</listitem>
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</varlistentry>
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