KVM安装

环境

系统：CentOS 7.4

准备

• 检测是否支持KVM

  # cat /proc/cpuinfo | grep -E 'vmx|svm'
  

• 关闭SELinux

  # vim /etc/sysconfig/selinux
  SELinux=disabled
  

KVM安装启动

• 安装KVM

  # yum -y install qemu-kvm libvirt virt-install bridge-utils
  

• 启动KVM

  # systemctl enable libvirtd
  # systemctl start libvirtd
  

配置桥接网络

• 创建网桥配置

  # vim /etc/sysconfig/network-scripts/ifcfg-br0
  DEVICE=br0
  ONBOOT=yes
  TYPE=Bridge
  BOOTPROTO=static
  IPADDR=10.0.0.2
  NETMASK=255.255.255.0
  GATEWAY=10.0.0.1
  DEFROUTE=yes
  

• 编辑网卡配置

  # mv /etc/sysconfig/network-scripts/ifcfg-enp1s0 /tmp/
  # vim /etc/sysconfig/network-scripts/ifcfg-enp1s0
  DEVICE=enp1s0
  ONBOOT=yes
  TYPE=Ethernet
  BOOTPROTO=none
  BRIDGE=br0
  

• 重启网络

  # systemctl restart network