在 CentOS 6.5 使用 KVM

Published: at 00:00

在 CentOS 6.5 使用 KVM

检查是否开启CPU虚拟化
cat /proc/cpuinfo | egrep "(vmx|svm)" --color=always
禁用selinux
vim /etc/selinux/config
SELINUX=disabled

setenforce 0
设置转发
sed -i 's/^\(net.ipv4.ip_forward =\).*/\1 1/' /etc/sysctl.conf; sysctl -p
安装KVM
yum -y install @virt* dejavu-lgc-* xorg-x11-xauth tigervnc libguestfs-tools policycoreutils-python bridge-utils
设置libvirt自动开启并重启
chkconfig libvirtd on;reboot
验证是否加载KVM模块
lsmod | grep kvm
设置桥接网络
chkconfig network on
service network restart
yum -y erase NetworkManager
cp -p /etc/sysconfig/network-scripts/ifcfg-{eth0,br0}
sed -i -e'/HWADDR/d' -e'/UUID/d' -e's/eth0/br0/' -e's/Ethernet/Bridge/' /etc/sysconfig/network-scripts/ifcfg-br0
echo DELAY=0 >> /etc/sysconfig/network-scripts/ifcfg-br0
echo 'BOOTPROTO="none"' >> /etc/sysconfig/network-scripts/ifcfg-eth0
echo BRIDGE=br0 >> /etc/sysconfig/network-scripts/ifcfg-eth0
service network restart
brctl show
创建虚拟机