centos7最小化安装kvm

1、升级到最新版

yum update -y

2、安装必要软件

yum install pciutils net-tools

3、安装kvm相关软件

 yum install libvirt*
yum install ipxe-roms-qemu
yum install python-virtinst
yum install qemu-kvm
yum install virt-manager
yum install virt-viewer
yum install virt-top
yum install virt-what
yum install qemu-img
yum install virt-install
yum install libguest*

4、设置网络

nano /etc/sysctl.conf

net.ipv4.ip_forward = 1

cd /etc/sysconfig/network-scripts/

cp ifcfg-enp0s25 ifcfg-br0
nano ifcfg-br0

TYPE=”Bridge”
BOOTPROTO=”static”
DEFROUTE=”yes”
IPV4_FAILURE_FATAL=”no”
NAME=”br0”
UUID=”1eb3d327-b535-44d1-8558-b369c6db3a80”
DEVICE=”br0”
ONBOOT=”yes”
IPADDR=”192.168.3.128”
PREFIX=”24”
GATEWAY=”192.168.3.1”
DNS1=”192.168.3.1”

nano ifcfg-enp0s25

NAME=”enp0s25”
DEVICE=”enp0s25”
ONBOOT=”yes”
BRIDGE=br0

关闭SELINUX

nano /etc/selinux/config
SELINUX=disabled

5、用virt-manager远程管理kvm虚拟机