diff options
| -rw-r--r-- | man/systemd.unit.xml | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index a870f6b17a..a14e452fa3 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -1115,19 +1115,46 @@ <term><varname>WantedBy=</varname></term> <term><varname>RequiredBy=</varname></term> - <listitem><para>Installs a symlink in - the <filename>.wants/</filename> - or <filename>.requires/</filename> - subdirectory for a unit, respectively. This has the - effect that when the listed unit name - is activated the unit listing it is - activated - too. <command>WantedBy=foo.service</command> + <listitem><para>A symbolic link is + created in the + <filename>.wants/</filename> or + <filename>.requires/</filename> folder + of the listed unit when this unit is + activated by <command>systemctl + enable</command>. This has the effect + that a dependency of type + <varname>Wants=</varname> or + <varname>Requires=</varname> is added + from the listed unit to the current + unit. The primary result is that the + current unit will be started when the + listed unit is started. See the + description of + <varname>Wants=</varname> and + <varname>Requires=</varname> in the + [Unit] section for details.</para> + + <para><command>WantedBy=foo.service</command> in a service <filename>bar.service</filename> is mostly equivalent to <command>Alias=foo.service.wants/bar.service</command> - in the same file.</para></listitem> + in the same file. In case of template + units, <command>systemctl enable</command> + must be called with an instance name, and + this instance will be added to the + <filename>.wants/</filename> or + <filename>.requires/</filename> list + of the listed unit. + E.g. <command>WantedBy=getty.target</command> + in a service + <filename>getty@.service</filename> + will result in <command>systemctl + enable getty@tty2.service</command> + creating a + <filename>getty.target.wants/getty@tty2.service</filename> + link to <filename>getty@.service</filename>. + </para></listitem> </varlistentry> <varlistentry> |