Get a RHEL6 or CentOS6 distribution (see Software requirements) and install it with default configuration.
If you dedicate your hardware to your lab and connect from another PC (portable PC, etc), it’s better to start without any graphical interface (id:3:initdefault in /etc/inittab file).
Except if you’ve got already a server named master, call your new host master.example.com.
Choose an IP address compatible with your network environment (here 192.168.1.5, gateway is supposed to be 192.168.1.1).
Update your system:
# yum update
Install the KVM packages:
# yum groupinstall -y Virtualization # yum groupinstall -y "Virtualization Platform" # yum groupinstall -y "Virtualization Client"
Start the libvirtd daemon:
# service libvirtd start