starting a service before anything else....

[h.reindl@xxxxxxxxxxxxx (Reindl Harald)]

Am 02.07.2018 um 10:50 schrieb MALET Jean-Luc:
> Le 28/06/2018 à 17:02, Reindl Harald a écrit :
>> Am 28.06.2018 um 16:55 schrieb MALET Jean-Luc:
>>> I'm in charge of setting up an embedded solution based on debian, so on
>>> systemd, I'm more used to old init process, that was easy to tweak
>>> because based on script... but well... times seems now on systemd.
>>>
>>> I'm really puzzled because since the documentation seems to lack
>>> information, I have to find information on tutorials that focus only on
>>> late services..
>>>
>>> I found on one how to find the targets using "systemctl list-units
>>> --type=target" and some diagram explaining what target are suposed to be
>>> run in what order.... but well...
>>>
>>> my issue is that I've to run a script as early as possible, before
>>> mounts are done because lot of service will fail without , so I created
>>> a service
>>>
>>> [Unit]
>>> Description=mount some file systems before anything and prepare the
>>> system
>>> Before=systemd-remount-fs.service
>> + DefaultDependencies=no
> ok this seems to do the trick....
> it could be nice to have some documentation that explain what are the
> DefaultDependencies

https://www.freedesktop.org/software/systemd/man/systemd.service.html