yum install -y vim wget dnf epel-relase
yum install -y kvm
yum install -y qemu-kvm qemu-kvm-tools
yum install -y libvirt python-virtinst libvirt-python virt-manager libguestfs-tools bridge-utils virt-install
systemctl start libvirtd
systemctl enable libvirtd
lsmod | grep -i kvm
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yum install -y epel-release vim wget dnf
dnf install -y cockpit cockpit-machines
systemctl enable cockpit.socket
systemctl restart cockpit.socket
firewall-cmd --add-service=cockpit
firewall-cmd --add-service=cockpit --permanent
firewall-cmd --reload
vim /etc/libvirt/qemu.conf
systemctl enable libvirtd
systemctl restart libvirtd
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How to install KVM on CentOS 7
原文：https://www.cnblogs.com/k98091518/p/14504877.html