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Date: Thu, 6 Jul 2017 13:27:53 -0600
From: Leonid Isaev <>
Subject: Re: systemd fails to parse user that should run

On Thu, Jul 06, 2017 at 03:02:07PM +0100, Simon McVittie wrote:
> > The problem is that my new and shiny
> > script won't work as intended on old systemD versions which silently ignore
> > User= directive.
> I am not aware of any such version existing. The 2010 commit
> "first attempt at proper service/socket logic", which was 6 months before
> the release of systemd version 1 and was the first commit to introduce
> ExecStart, also introduced User.

OK, but then there is no excuse to silently ignore any kind of error in
User=. If systemd can not start unit as a specified user, it must fail it, just
like ExecStart: if the command specified there is not found, it doesn't start
a random shell or a web server, right?.

I thought the current behavior of ignoring some syntax "mistakes" was put in
place by design because units have to be backwards copatible with older systemd

Leonid Isaev

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