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man: recommend After= with Requisite=

Fixes #8309.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-05-22 12:19:27 +02:00 committed by Lennart Poettering
parent 83bf6b6741
commit 706a3df4be

View File

@ -590,10 +590,12 @@
<varlistentry>
<term><varname>Requisite=</varname></term>
<listitem><para>Similar to <varname>Requires=</varname>.
However, if the units listed here are not started already,
they will not be started and the transaction will fail
immediately.</para>
<listitem><para>Similar to <varname>Requires=</varname>. However, if the units listed here
are not started already, they will not be started and the starting of this unit will fail
immediately. <varname>Requisite=</varname> does not imply an ordering dependency, even if
both units are started in the same transaction. Hence this setting should usually be
combined with <varname>After=</varname>, to ensure this unit is not started before the other
unit.</para>
<para>When <varname>Requisite=b.service</varname> is used on
<filename>a.service</filename>, this dependency will show as