[systemd-devel] Is there a way to see if a script is run from systemd

[Kai Krakow]

Am Sun, 8 May 2016 13:05:34 +0200
schrieb Reindl Harald <h.reindl at thelounge.net>:

> Am 07.05.2016 um 15:00 schrieb Cecil Westerhof:
> > I have written a Bash script to be used for a service. Is it
> > possible to see in the script if it is run from systemd? I could
> > use this for debugging purposes  
> 
> just set a environment variable in the systemd unit or check against
> a lot of env-vars missing which are there in a ordinary shell but
> removed from systemd to start with a clean anvironement

Probably it would also work to look at $PPID which should be 1 if
running under systemd - I have not tried that, tho.

But keep in mind that this may not be systemd-specific. And, if you
daemonize, the parent may switch to 1.

-- 
Regards,
Kai

Replies to list-only preferred.
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