[systemd-devel] Antw: [EXT] Re: Q: Debugging missing requirements

[Ulrich Windl]

>>> Andrei Borzenkov <arvidjaar at gmail.com> schrieb am 11.02.2021 um 15:20 in
Nachricht
<CAA91j0VND=nJSDpK30_=fTxd5DoChqRLd=XJOLzKnqoLV1Jjkg at mail.gmail.com>:
> On Thu, Feb 11, 2021 at 1:47 PM Ulrich Windl
> <Ulrich.Windl at rz.uni-regensburg.de> wrote:
>>
>> Hi!
>>
>> Suspecting systemd added some requirement that isn't fulfilled after boot, 
> preventing my units from starting I wonder:
>> How can I debug systemd's requirements checking for units that are enabled, 
> but not started at boot (status "inactive (dead)"?
> 
> Usual advice is - enable debug logging.

Can I enable this for a specific unit, or just globally?

> 
>> Or another way: Can I list the dependencies that systemd added 
> automatically?
>>
> 
> If you mean implicit or default dependencies - no. They are listed in
> man pages, although there is no guarantee that list is complete. Your
> best bet is source code.