[arch-dev-public] Interesting post-install messages (jack-audio-connection-kit and ardour)
Jason Chu
jason at archlinux.org
Mon Feb 25 13:52:25 EST 2008
I updated my machine and saw these two post-install messages back to back:
( 1/40) upgrading jack-audio-connection-kit [#####################################################################################] 100%
--> It is recommended to use qjackctl as a controlling frontend for the
--> audio server. The extended rights for realtime capabilities can be
--> granted based on groups or a per user base in
--> /etc/security/limits.conf
--> The audio server comes with a daemon script that runs it as root.
--> Configuration happens in /etc/conf.d/jack-audio-connection-kit and is
--> documented there.
--> NOTE: Running jack as root to enable realtime capabilities isn't
--> needed any longer.
( 2/40) upgrading ardour [#####################################################################################] 100%
--> You need to have jack running before you start ardour. There are two ways
--> to have ardour and jack running:
--> - as root with realtime capabilities
--> - as oridinary user without realtime capabilities
--> You have to make sure, that ardour and jack run as the same user - mixing
--> up fails.
--> RUNNING AS ROOT IS ALWAYS A RISK FOR THE SECURITY!
--> Also consider to use qjackctl to control jack. Note, that also qjackctl
--> has to run as the same user as ardour. Don't forget to check out
--> qjackctl's patchbay and read the docs from http://ardour.org !
So which one is it? Do I have to run jack and ardour as root or can I not?
I'm pretty sure the jack message is more recent than the ardour one, so
running jack non-root will work fine with ardour and still have realtime
capabilities. Maybe we need to update the ardour post-install message.
I just had a little laugh reading them both.
Jason
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