debianwheezyinstallkvm

1 查看是否支持

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vmxnum=$(egrep '(vmx|svm)' --color=always /proc/cpuinfo  -o |wc -l)

cpunum=$(cat /proc/cpuinfo | grep processor  | wc -l)  

if [ $vmxnum -eq $cpunum ];

then

   echo "cpu not support"

   exit 1

else

   echo "ok ,continue "

fi

2 安装软件包  

apt-get install qemu-kvm libvirt-bin  bridge-utils -y  

modprobe  kvm_intel  

if  [ $? -eq 0 ];

then

   echo "you must motify this in bios"

fi

ERROR: could not insert 'kvm_intel': Operation not supported

或者

dmesg | grep kvm | grep -c "disabled by bios"

root@MySQLmaster:~# dmesg | grep kvm

[1031219.203545] kvm: disabled by bios

[1031343.376838] kvm: disabled by bios

需要开启bios对虚拟化的支持

3 修改网络配置：

cp /etc/network/interface /etc/network/interface.bak

cat >> /etc/network/interface <

auto lo br0

iface lo inet loopback

iface eth4 inet manual

iface br0 inet static

       #bridge_ports eth0 eth2

       bridge_ports eth4

       address 192.168.4.102

       netmask 255.255.255.0

       gateway 192.168.4.233

       bridge_stp off

       bridge_waitport 0

       bridge_fd 0

EOF

/etc/init.d/networking stop && /etc/init.d/networking start  

4 修改内核参数：

cat >> /etc/sysctl.conf <

#for kvm

net.bridge.bridge-nf-call-ip6tables = 0

net.bridge.bridge-nf-call-iptables = 0

net.bridge.bridge-nf-call-arptables = 0

EOF

sysctl -p

5 生成磁盘镜像文件：

qemu-img create -f raw /data/debian7.img 10G

6 开启vnc

vim /etc/libvirt/qemu.conf

vnc_listen = "192.168.4.102"

/etc/init.d/libvirt-bin restart  

7 安装系统：

virt-install -d -n vm_kvm -r 2048 --disk path=/data/debian7.img,bus=virtio,cache=none --network bridge=br0,model=virtio --cdrom=/data/software/debian-7.4.0-amd64-netinst-bnx2-auto.iso

windows通过vnc连接：

安装debian7.

待续...

参考：

http://hi.baidu.com/zhangfan879/item/eec87ee59764443c86d9de02

....