FreeBSD Manual Pages
qjackctl(1) General Commands Manual qjackctl(1) NAME qjackctl - User interface for controlling JACK (Jack Audio Connection Kit) SYNOPSIS qjackctl [options] DESCRIPTION This manual page documents briefly the qjackctl command-line options. QjackCtl is used for controlling the Jack Audio Connection Kit (JACK) and as a patchbay for ALSA MIDI and JACK MIDI devices. QjackCtl also has sup- port for the JACK transport control protocol, so you can use it to start and stop the JACK transport. Once you start qjackctl, you get presented with a single GUI window, the buttons are self-explanatory and have tooltips. OPTIONS -s, --start Start JACK audio server immediately -p, --preset=[label] Set default settings preset name -a, --active-patchbay=[path] Set active patchbay definition file -n, --server-name=[label] Set default JACK audio server name -?, --help Displays help on command-line options. -v, --version Show version information. D-BUS INTERFACE Enable 'Setup > Misc > Other > Enable D-Bus interface' to use the D-Bus in- terface commands as shown below. dbus-send --system / org.rncbc.qjackctl.start dbus-send --system / org.rncbc.qjackctl.stop dbus-send --system / org.rncbc.qjackctl.reset dbus-send --system / org.rncbc.qjackctl.main dbus-send --system / org.rncbc.qjackctl.messages dbus-send --system / org.rncbc.qjackctl.status dbus-send --system / org.rncbc.qjackctl.session dbus-send --system / org.rncbc.qjackctl.connections dbus-send --system / org.rncbc.qjackctl.patchbay dbus-send --system / org.rncbc.qjackctl.graph dbus-send --system / org.rncbc.qjackctl.rewind dbus-send --system / org.rncbc.qjackctl.backward dbus-send --system / org.rncbc.qjackctl.play dbus-send --system / org.rncbc.qjackctl.pause dbus-send --system / org.rncbc.qjackctl.forward dbus-send --system / org.rncbc.qjackctl.setup dbus-send --system / org.rncbc.qjackctl.about dbus-send --system / org.rncbc.qjackctl.quit dbus-send --system / org.rncbc.qjackctl.preset string:[label] dbus-send --system / org.rncbc.qjackctl.active-patchbay string:[path] dbus-send --system / org.rncbc.qjackctl.load dbus-send --system / org.rncbc.qjackctl.save dbus-send --system / org.rncbc.qjackctl.savequit dbus-send --system / org.rncbc.qjackctl.savetemplate SEE ALSO jackd(1) FILES Configuration settings are stored in ~/.config/rncbc.org/QjackCtl.conf AUTHOR QjackCtl was written by Rui Nuno Capela. This manual page was written by Guenter Geiger <geiger@debian.org>, for the Debian project (but may be used by others). April 16, 2026 qjackctl(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | D-BUS INTERFACE | SEE ALSO | FILES | AUTHOR
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