[linux-audio-dev] How can you make Jack always available?

Darren Warner darren at dazwin.com
Mon Apr 21 19:30:00 UTC 2003

Rather than having a startup script (somewhat inappropriately) read a
config file, shouldn't jackd implement a /etc/jackd.conf itself? Running
from the command line would be a cinch too then.

Of course, a /var/log/jack.log and/or syslog facility would be nice too

I've just started setting up a demudi box and if I can stop my machine
from hanging, I'll do it myself - it'll give me a good excuse to start
browsing the source.


On Mon, 2003-04-21 at 12:54, Jack O'Quin wrote:
> Nick Tsocanos <nicktsocanos at charter.net> writes:
> > How can I make Jackd always run? Right now I have to set it up in a
> > console window. I'd like to learn how to run it always at startup and
> > not have to start/stop it when I need it.
> I don't think many people are doing it this way at the moment.  But,
> with realtime support and capabilities, it's just about at the point
> where you might want to.  Most current users of JACK are developers or
> early adopters, who run it in an xterm or console window for debugging
> reasons.
> The best solution is probably to write an /etc/init.d/jackd script
> with the usual start, stop, restart parameters.  This would be
> automatically invoked when changing runlevel using whatever mechanism
> your distribution provides.  The arguments to jackd would need to be
> stored in come kind of config file that would be accessible to the
> script.
> I've thought about writing one, but haven't done it.  If you do,
> please post it to the jackit-devel list.  Although it would be
> somewhat distribution-specific, it would be helpful to distribute, at
> least as an example.
> > Also how do you use Jack in real-time mode? In order to run it I have to
> > be root, but if I run it as root, nobody else can see Jack unless they
> > are also root.
> See http://jackit.sourceforge.net/docs/faq.php#a5
> > I wish somebody would write a Jack-HOWTO so dummies like me can figure
> > out how to run this thing.
> See http://www.djcj.org/LAU/jack/
> HTH,

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