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man: add cross-links about preset operations

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Zbigniew Jędrzejewski-Szmek 2022-09-30 15:31:40 +02:00
parent 7cd43e34c5
commit bfa769d185
3 changed files with 19 additions and 9 deletions
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3
man/machine-id.xml
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@ -147,7 +147,8 @@
</orderedlist>
<para>If according to the above rules a first boot is detected, units with
<varname>ConditionFirstBoot=yes</varname> will be run.</para>
<varname>ConditionFirstBoot=yes</varname> will be run and <command>systemd</command> will perform
additional initialization steps, in particular presetting units.</para>
</refsect1>
<refsect1>

16
man/systemd.preset.xml
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@ -47,12 +47,16 @@
units, but rather centralize them in a distribution or spin default policy, which can be amended by
administrator policy, see below.</para>
<para>If no preset files exist, <command>systemctl
preset</command> will enable all units that are installed by
default. If this is not desired and all units shall rather be
disabled, it is necessary to ship a preset file with a single,
catchall "<filename>disable *</filename>" line. (See example 1,
below.)</para>
<para>If no preset files exist, preset operations will enable all units that are installed by default. If
this is not desired and all units shall rather be disabled, it is necessary to ship a preset file with a
single, catchall "<filename>disable *</filename>" line. (See example 1, below.)</para>
<para>When the machine is booted for the first time,
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> will
enable/disable all units according to preset policy, similarly to <command>systemctl
preset-all</command>. Also see "First Boot Semantics" in
<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
</para>
</refsect1>
<refsect1>

9
man/systemd.xml
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@ -188,8 +188,13 @@
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details about these target units.</para>
<para>systemd only keeps a minimal set of units loaded into memory. Specifically, the only units that are kept
loaded into memory are those for which at least one of the following conditions is true:</para>
<para>On first boot, <command>systemd</command> will enable or disable units according to preset policy.
See <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>
and "First Boot Semantics" in
<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
<para>systemd only keeps a minimal set of units loaded into memory. Specifically, the only units that are
kept loaded into memory are those for which at least one of the following conditions is true:</para>
<orderedlist>
<listitem><para>It is in an active, activating, deactivating or failed state (i.e. in any unit state except for <literal>inactive</literal>)</para></listitem>