Apt-get or yum can be used to install Jack daemon.

~]# yum install apt-get
~]# yum install yum

You will also want to install qjackctl to have a graphical tool to control jack.

~]# apt-get install qjackctl
~]# yum install qjackctl

After install, the whereis command can be used to determine where the Jack controller is located. In this example, the Jack controller is located at /usr/bin/qjackctl.

~]# whereis jackd
qjackctl: /usr/bin/qjackctl . . .

Launch the jack controller, and the graphical controller should be displayed.

~]# /usr/bin/qjackctl

Click start, and ensure "Started" is displayed.

Select connect, and the input and output audio interfaces being used by your PC should be displayed.

Following are addtional packages that you may want to also install.

~]# apt-get install pulseaudio-module-jack
~]# apt-get install pulseaudio

~]# yum install pulseaudio-module-jack
~]# yum install pulseaudio