KVM详细安装
2016-02-22 09:59
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KVM详细安装
安装KVM
yum -y install qemu-kvm libvirt python-virtinst bridge-utils
yum install bridge-utils.x86_64
查看模块是否启用
# lsmod |grep kvm
kvm_intel 53484 0
kvm 316506 1 kvm_intel
查看路由
# ip route list
192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.243
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
169.254.0.0/16 dev eth0 scope link metric 1002
default via 192.168.2.1 dev eth0
查看虚拟网卡
# brctl show
bridge name bridge id STP enabled interfaces
virbr0 8000.52540050ca18 yes virbr0-nic
###################################正确#########################
# more /etc/sysconfig/network-scripts/ifcfg-em1
DEVICE=em1
NM_CONTROLLED="yes"
ONBOOT=yes
BRIDGE="br0"
# more /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
NM_CONTROLLED="yes"
TYPE=Bridge
BOOTPROTO=none
NAME="br0"
ONBOOT=yes
IPADDR=10.10.16.39
NETMASK=255.255.0.0
GATEWAY=10.10.16.1
DNS1=8.8.8.8
###################################正确#########################
######################################################
配置桥接网卡
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="static"
BROADCAST="192.168.2.255"
DNS1="192.168.0.51"
GATEWAY="192.168.2.1"
WADDR="D4:3D:7E:18:4B:FA"
IPADDR="192.168.2.10"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
NETMASK="255.255.255.0"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
UUID="9a8ca6d1-5d07-4894-b0ca-c7a33d8d92d5"
BRIDGE="br0"
NAME="System eth0"
cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-br0
vi /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
BOOTPROTO="static"
DNS1="192.168.0.51"
GATEWAY="192.168.2.1"
IPADDR="192.168.2.10"
ONBOOT="yes"
TYPE="Bridge"
PREFIX=24
###########################################################
安装wget 下载ISO镜像
yum install wget* -y
yum install lrzsz* -y
# mkdir vm
###################################
# qemu-img create -f qcow2 /var/vm/centos.qcow2 40G
Formatting '/var/vm/centos.qcow2', fmt=qcow2 size=42949672960 encryption=off cluster_size=65536
# pwd
/var/vm
####################
# qemu-img info -f qcow2 /var/vm/centos.qcow2
image: /var/vm/centos.qcow2
file format: qcow2
virtual size: 40G (42949672960 bytes)
disk size: 136K
cluster_size: 65536
#
安装操作系统,命令执行完成后,虚拟机自动开始安装进程,使用vnc连接进行安装
virt-install --name=centos17 --ram=1024 --vcpus=1 --disk path=/var/vm/linux.qcow2,device=disk,format=qcow2,bus=virtio,cache=none,size=80 --os-type=linux --os-variant=rhel6 --hvm --cdrom=/var/iso/CentOS-6.4-x86_64-bin-DVD1.iso --boot cdrom,hd,menu=on --network bridge=br0 --vnc --vncport=5991 --vnclisten=0.0.0.0
安装系统有两种:img(用qcow则需要按上面的步骤去做)
virt-install --name=centos1 --ram 512 --vcpus=1 --disk path=/var/vm/test02.img,size=30,bus=virtio --accelerate --cdrom/var/iso/CentOS-6.4-x86_64-bin-DVD1.iso --vnc --vncport=5910 --vnclisten=0.0.0.0 --network bridge=br0,model=virtio --noautoconsole
CENTOS7
virt-install --name vm1 --ram=1024 --vcpus=1 --network bridge:br0 --disk path=/var/kvm/images/centos7.img,size=10 --graphics none --location=http://ftp.iij.ad.jp/pub/linux/centos/7/os/x86_64/ --extra-args="console=tty0 console=ttyS0,115200"
virt-install --name=Optimadbr1 --ram=4048 --vcpus=1 --disk path=/services/vms/Optimadbr1.img,size=40,bus=virtio --accelerate --cdrom=/iso/ --vnc --vncport=5920 --vnclisten=0.0.0.0 --network bridge=br0,model=virtio --noautoconsole 阅读更多
安装KVM
yum -y install qemu-kvm libvirt python-virtinst bridge-utils
yum install bridge-utils.x86_64
查看模块是否启用
# lsmod |grep kvm
kvm_intel 53484 0
kvm 316506 1 kvm_intel
查看路由
# ip route list
192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.243
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
169.254.0.0/16 dev eth0 scope link metric 1002
default via 192.168.2.1 dev eth0
查看虚拟网卡
# brctl show
bridge name bridge id STP enabled interfaces
virbr0 8000.52540050ca18 yes virbr0-nic
###################################正确#########################
# more /etc/sysconfig/network-scripts/ifcfg-em1
DEVICE=em1
NM_CONTROLLED="yes"
ONBOOT=yes
BRIDGE="br0"
# more /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
NM_CONTROLLED="yes"
TYPE=Bridge
BOOTPROTO=none
NAME="br0"
ONBOOT=yes
IPADDR=10.10.16.39
NETMASK=255.255.0.0
GATEWAY=10.10.16.1
DNS1=8.8.8.8
###################################正确#########################
######################################################
配置桥接网卡
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="static"
BROADCAST="192.168.2.255"
DNS1="192.168.0.51"
GATEWAY="192.168.2.1"
WADDR="D4:3D:7E:18:4B:FA"
IPADDR="192.168.2.10"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
NETMASK="255.255.255.0"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
UUID="9a8ca6d1-5d07-4894-b0ca-c7a33d8d92d5"
BRIDGE="br0"
NAME="System eth0"
cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-br0
vi /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
BOOTPROTO="static"
DNS1="192.168.0.51"
GATEWAY="192.168.2.1"
IPADDR="192.168.2.10"
ONBOOT="yes"
TYPE="Bridge"
PREFIX=24
###########################################################
安装wget 下载ISO镜像
yum install wget* -y
yum install lrzsz* -y
# mkdir vm
###################################
# qemu-img create -f qcow2 /var/vm/centos.qcow2 40G
Formatting '/var/vm/centos.qcow2', fmt=qcow2 size=42949672960 encryption=off cluster_size=65536
# pwd
/var/vm
####################
# qemu-img info -f qcow2 /var/vm/centos.qcow2
image: /var/vm/centos.qcow2
file format: qcow2
virtual size: 40G (42949672960 bytes)
disk size: 136K
cluster_size: 65536
#
安装操作系统,命令执行完成后,虚拟机自动开始安装进程,使用vnc连接进行安装
virt-install --name=centos17 --ram=1024 --vcpus=1 --disk path=/var/vm/linux.qcow2,device=disk,format=qcow2,bus=virtio,cache=none,size=80 --os-type=linux --os-variant=rhel6 --hvm --cdrom=/var/iso/CentOS-6.4-x86_64-bin-DVD1.iso --boot cdrom,hd,menu=on --network bridge=br0 --vnc --vncport=5991 --vnclisten=0.0.0.0
安装系统有两种:img(用qcow则需要按上面的步骤去做)
virt-install --name=centos1 --ram 512 --vcpus=1 --disk path=/var/vm/test02.img,size=30,bus=virtio --accelerate --cdrom/var/iso/CentOS-6.4-x86_64-bin-DVD1.iso --vnc --vncport=5910 --vnclisten=0.0.0.0 --network bridge=br0,model=virtio --noautoconsole
CENTOS7
virt-install --name vm1 --ram=1024 --vcpus=1 --network bridge:br0 --disk path=/var/kvm/images/centos7.img,size=10 --graphics none --location=http://ftp.iij.ad.jp/pub/linux/centos/7/os/x86_64/ --extra-args="console=tty0 console=ttyS0,115200"
virt-install --name=Optimadbr1 --ram=4048 --vcpus=1 --disk path=/services/vms/Optimadbr1.img,size=40,bus=virtio --accelerate --cdrom=/iso/ --vnc --vncport=5920 --vnclisten=0.0.0.0 --network bridge=br0,model=virtio --noautoconsole 阅读更多
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