On Wednesday, July 21, 2021 2:29:00 PM EDT John W. Himpel wrote:
> I would like to run a task (TASKA) that updates some files at a
> specified time each day. I already can do that successfully using
> systemd timers and services. Upon completion of TASKA, I want to
> run TASKB with is an rsync command to propagate any file changes
> made in TASK A to other hosts. TASKA may run quickly or slowly, so
> I don't want to use a timer for TASKB, rather I want TASKB to
> execute upon the completion of TASKA.
>
> I can't seem to find the proper set of systemd options to set in the
> service file for TASKB to cause it to run upon completion of TASKA.
> Suggestions are welcome.
Probably the easiest way is to specify Type=oneshot and supply two
ExecStart= directives. The second will be executed *after* the first
one exits *successfully*.
This is analogous to
... /usr/bin/taska && /usr/bin/taskb
inside a crontab entry.
--
Garry T. Williams
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