QEMU-KVM: using virt-install to install host using ISO and console only.

# qemu-img create -f qcow2 /home/qemu/img/ocp.qcow2 20G

# virt-install -n ocp -r 4096 --vcpus=3 --os-variant=rhel7.4 --accelerate --nographics -v -l /home/mzali/Downloads/rhel-server-7.4-x86_64-dvd.iso --disk path=/home/qemu/img/ocp.qcow2 -x "console=ttyS0" --network network=locon1