[systemd-devel] Boot ordering

Andrei Borzenkov arvidjaar at gmail.com
Thu Mar 19 05:22:27 PDT 2015

On Thu, Mar 19, 2015 at 3:09 PM, Christoph Pleger
<Christoph.Pleger at cs.tu-dortmund.de> wrote:
> Hello,
>>> So, if the original unit file multi-user.target contains
>>> After=basic.target rescue.service rescue.target
>>> this "after" does not really mean anything and jobs wanted or required
>>> by
>>> multi-user.target can already be started when some jobs from
>>> basic.target
>>> have not been started???
>> Correct.
>> ...
>> What is the the
>> problem you are trying to solve by "implementing a new 'intermediate'
>> runlevel" ?
> I want a program to be run at boot time without any other systemd services
> starting concurrently. The program needs the services from basic.target

Well, for the specific service you do know which services it requires,
right? Then simply start it as part of basic.target and make sure it
is ordered after required services.

> and may influence everything in multi-user.target and later targets, so I
> guess that between basic.target and multi-user.target is a good time for
> execution of the program.
> I hoped that this can be achieved by simply defining a new target, setting
> after basic.target dependencies for it and changing the dependencies of
> multi-user.target from basic.target to my new target. This would not
> require me too know anything about the specific services in basic.target
> and multi-user.target .
> Regards
>   Christoph
> Regards
>   Christoph
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