Xfce is bare minimum GUI in Linux. Below are the steps to install the same.
1. Install following packages using yu,
# yum install epel-release -y # yum groupinstall "Server with GUI" "Xfce" -y
2. Set this as default booting mode.
# systemctl set-default graphical.target # systemctl get-default
3. Now either reboot the machine or run following command to get GUI.
# systemctl isolate graphical.target
That’s All