Latest build:


03 Oct 2016

UltraMSK 1.1.0

Latest build:


13 Jan 2015

Installation steps for CentOS 6.4

This section outlines the steps required to install UltraMSK under the Linux distribution CentOS 6.4

01 Apr 2013

Install CentOS

First step is to install the CentOS operating system. CentOS can be downloaded from one of the many mirror sites


Install a 64-bit version of CentOS.

Update CentOS

Once the operating system has been installed to disk. Reboot and then as root run "yum update" to download the latest system updates.

Enable EPEL

Extra Packages for Enterprise Linux (or EPEL) is a set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL).


Download and install the EPEL rpm. e.g.

wget http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
sudo rpm -ivh epel-release-6-8.noarch.rpm

EPEL is needed to install JACK audio.

Configure JACK audio

Install the JACK audio connection kit software:

sudo yum install jack-audio-connection-kit

and add your username to both the audio and jackuser groups:

sudo usermod -a -G jackuser username
sudo usermod -a -G audio username

(replace "username" with your actual login name)

UltraMSK 1.0.4

Download and unpack the ultramsk software.


tar -zxvf UltraMSK-1.0.4.tar.gz