kvm安装

yum groupinstall -y "virtualization" "virtualization client"
yum install -y libvirt bridge-utils tunctl

 

桥接网卡


vim ifcfg-eth0

DEVICE=eth0
ONBOOT=yes
TYPE=Ethernet
BOOTPROTO=static
HWADDR=e8:40:f2:0c:b1:d6
IPV6INIT=no
BRIDGE=br0


vim ifcfg-br0

DEVICE=br0
ONBOOT=yes
TYPE=Bridge
BOOTPROTO=static
IPADDR=172.16.122.119
NETMASK=255.255.254.0
GATEWAY=172.16.122.1
DNS1=8.8.8.8
IPV6INIT=no
BRIDGE=br0


建立虚拟硬盘

dd if=/dev/zero of=centos01.img bs=1G count=30