how to install kvm on minimal centos7

1. install xfce

   yum install epel-release -y
   yum groupinstall "X Window System" -y
   yum groupinstall xfce -y
   systemctl set-default graphical.target
   reboot
   

2. install vncserver

   yum install tigervnc-server -y
   vncserver
   set +H
   echo -e "#!/bin/sh\nstartxfce4 &" > /root/.vnc/xstartup
   vncserver :1
   

3. install kvm

   yum install qemu-kvm libvirt libvirt-python libguestfs-tools virt-install -y
   systemctl start libvirtd
   systemctl enable libvirtd
   

4. references:

   https://linux.dell.com/files/whitepapers/KVM_Virtualization_in_RHEL_7_Made_Easy.pdf