Install QEMU-KVM in RHEL / CentOS

Here is the command to install QEMU-KVM packages in RHEL / CentOS, 

yum -y install qemu-kvm qemu-kvm-tools libvirt

or these command will install the packages for associated virtualization stuff.

yum -y groupinstall "Virtualization"
yum -y groupinstall "Virtualization Client"
yum -y groupinstall "Virtualization Platform"
yum -y groupinstall "Virtualization Tools"