Am 2015-03-13 16:03, schrieb Christoph Pleger:
[Unit]
Description=Installation and configuration
Requires=basic.target
Before=multi-user.target
After=basic.target
[Install]
RequiredBy=multi-user.target
Then, I called systemctl to set the correct symlinks for script.target
and
script.service.
Then, I rebooted again and the result was the same as before.
Why does systemd not follow these instructions that my script has to be
executed before multi-user?
You are starting your service as part of multi-user.target, so you can't
order it before it at the same time.
Also, targets are a bit special. What
Before=multi-user.target means in this context is: multi-user.target is
only considered successfully, once all service which are ordered before
multi-user.target have successfully started.
Say you have serviceA and serviceB, which are pulled in via
multi-user.target.wants and they are order Before=multi-user.target,
then both services will be started once multi-user.target is activated
and as soon as both have successfully started, multi-user.target is
considered active as well.
In your case, since you use DefaultDependencies=yes (which is the
default), you already have some implicit dependencies/orderings, like
Requires=basic.target, After=baseic.target so there is no need to
specify that.
What you probably want, is hook into basic.target or sysinit.target, use
DefaultDependencies=no, and specify the dependencies/orderings
explicitly.
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