CentOS6.5安装KVM
安装kvm,我没有使用图形界面,所以没有安装相关的工具# yum -y install qemu-kvm libvirt
查看kvm是否成功安装
# lsmod | grep kvm
kvm_intel 556248
kvm 3415511 kvm_intel
配置并启动libvirtd服务
# vim /etc/libvirt/qemu.conf
user = "root"group = "root"dynamic_ownership = 0# /etc/init.d/libvirtd start
桥接网络配置文件,从eth0复制现有网卡的配置文件,改名为br0:# cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-br0修改ifcfg-eth0# vim /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0TYPE=Ethernet
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=dhcpBRIDGE=br0
修改ifcfg-br0# vim /etc/sysconfig/network-scripts/ifcfg-br0DEVICE=br0DELAY=0TYPE=BridgeONBOOT=yesBOOTPROTO=staticIPADDR=192.168.1.100NETMASK=255.255.255.0NETWORK=192.168.1.0GATEWAY=192.168.1.1
重启network服务# /etc/init.d/network restart# /etc/init.d/NetworkManager stop这里需要注意,如果启用了NetworkManager,最好关闭该服务,因为该服务与network有冲突。配置转发# vim /etc/sysctl.conf
net.ipv4.ip_forward = 1 # net.ipv4.ip_forward的值修改为1# sysctl -p
如果不执行这一步,所有的虚拟机将无法上网。
安装虚拟机# virt-install -n vm01 -r 1024 --vcpus=1 --os-variant=rhel6 --accelerate --nographics -v --disk path=/home/kvm/vm01/vm01.img -x "console=ttyS0"--extra-args='console=tty0 console=ttyS0,115200n8' -l http://mirrors.163.com/centos/6/os/x86_64/
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