/usr/share/doc/libasound2-plugins/examples/asound.conf_jack is in libasound2-plugins 1.1.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | pcm.myjack {
type jack
playback_ports {
0 alsa_pcm:playback_1
1 alsa_pcm:playback_1
}
}
# Usage: aplay -Dplug:myjack foo.wav
|