Systemd service life cycle

[Tom H]

On Wed, Apr 6, 2016 at 11:01 PM, Colin Law <clanlaw at gmail.com> wrote:
>
> I am trying to define the startup order of a couple of systemd
> services.  I see in the docs how I can use After, Before etc to
> control the order. What is not clear to me is at exactly what point
> in the startup of a service it becomes "Started", thereby allowing the
> next service to be started.

If B has "Requires=A" and "After=A", it'll start after A has been started.