1.kvm herramienta de gestión virt-manager
yum groupinstall GNOME Desktop -y
yum install dejavu-lgc-sans-fonts -y
yum install -y virt-manager -y
yum instalar -y libvirt -y
2.kvm eliminar la tarjeta de red con puente predeterminada
virsh net-destroy predeterminado
virsh net-undefine default
systemctl restart libvirtd
3. Configuración de la tarjeta de red
[root @ linux-nodo2 network-scripts] # cat ifcfg-br0
DISPOSITIVO = br0
BOOTPROTO = ninguno
ONBOOT = yes
TYPE = Puente
IPADDR = 192.168.56.12
NETMASK = 255.255.255.0
gateway = 192.168.56.2
DEFROUTE = yes
PV4_FAILURE_FATAL = yes
IPV6INIT = no
DELAY = 0
USERCTL = no
[root @ linux-node2 network-scripts] # cat ifcfg-eth0
TYPE = Ethernet
BOOTPROTO = estático
DEFROUTE = sí
PEERDNS = sí
PEERROUTES = sí
IPV4_FAILURE_FATAL = no
IPV6INIT = sí
NOMBRE = eth0
DISPOSITIVO = eth0
ENCENDIDO = sí
GATEWAY = 192.168.56.2
PUENTE = br0
4. Reiniciar
ifdown br0 ifdown eth0 ifup br0
ifup eth0
5.kvm migración
virsh shutdown vmsname
virsh dumpxml vmsname > vmsname.xml
virsh domblklis vmsname
scp disk newserver:/dir
scp vmsname.xml newserver:/etc/libvirt/qemu/
virsh define vmsname