Install xCAT

The xCAT GPG Public Key must be added for apt to verify the xCAT packages

wget -O - "http://xcat.org/files/xcat/repos/apt/apt.key" | apt-key add -

Add the necessary apt-repositories to the management node

# Install the add-apt-repository command
apt-get install software-properties-common

# For x86_64:
add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main"
add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-updates main"
add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) universe"
add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-updates universe"

# For ppc64el:
add-apt-repository "deb http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc) main"
add-apt-repository "deb http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc)-updates main"
add-apt-repository "deb http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc) universe"
add-apt-repository "deb http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc)-updates universe"

Install xCAT [1] with the following command:

apt-get clean all
apt-get update
apt-get install xcat