Creating a jackuser group

[Matthias Clasen]

On Tue, 2007-02-06 at 15:12 -0500, Warren Togami wrote:
> Anthony Green wrote:
> > fedora-music-list hosted a thread[1] recently on making it easier to run
> > the jack-audio-connection-kit server.  It's a bit of a mess right now
> > because users have to manually edit /etc/security/limits.conf before
> > anything will run.
> > 
> > In order to clean things up, it was proposed that Fedora come
> > pre-installed with a jackuser entry in /etc/group, as well as including
> > the following in /etc/security/limits.conf...
> > 
> > @jackuser - rtprio 20
> > @jackuser - memlock 131072
> > 
> > Then users simply need to be added to the jackuser group in order to run
> > jackd and associated applications.  I believe this models what other
> > distros are doing to support jack users.  We could even have a
> > consolehelper enabled wrapper to ask users if they want to be added to
> > this group if they aren't already when the run qjackctl.
> > 
> > Most of the discussion is captured in mail threads referenced by this
> > bugzilla entry....
> > 
> > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=221785
> > 
> > So, if this sounds like a sane thing to do for Fedora 7, do I simply
> > file bugzilla issues against the setup and pam packages (which
> > own /etc/group and /etc/security/limits.conf respectively).
> > 
> 
> Where do we draw the line between add-on software that should have a 
> default user or group, and packages that have to create their own?
> 

The pulseaudio package also creates a special group pulse-rt and allows
only users in that group to run with realtime scheduling.  I'm not very 
happy about that setup, since we want to make pulseaudio the default
sound daemon. Can we at least avoid having each audio application create
its own private group for realtime privileges ?