F15 Feature - convert as many service init files as possible to the native SystemD services

[Lennart Poettering]

On Wed, 24.11.10 21:30, Michał Piotrowski (mkkp4x4 at gmail.com) wrote:

> 
> 2010/11/24 Paul Wouters <paul at xelerance.com>:
> > On Wed, 24 Nov 2010, Lennart Poettering wrote:
> >
> >> BTW, regarding at and cron: what I was thinking of but never check
> >> ehwther it is feasible is to make cron/at autostart a soon as some job
> >> is scheduled. I.e. use .path trigger to check whether /etc/crontab and
> >> user jobs exist, and start cron only then. Similarly for at. That way we
> >> could support cron and at just fine, and wouldn't even have to run it by
> >> default. I haven't looked into this in detail however, to see if the
> >> file triggers systemd offers in .path units are already sufficient to
> >> make this work.
> >
> > What if no jobs are there and a non-root user adds a crontab later on? Who
> > will start cron (as root) ?
> 
> I guess ListenStream=/var/spool/cron/* (if it will work - I'm not sure
> how systemd interprets wildcards and multiple ListenStream)

Almost. This is a .path unit, the syntax is:

DirectoryNotEmpty=/var/spool/cron

Lennart

-- 
Lennart Poettering - Red Hat, Inc.