http://linux.dell.com/files/whitepapers/KVM_Virtualization_in_RHEL_6_made_easy.pdfhttp://linux.dell.com/files/whitepapers/KVM_Virtualization_in_RHEL_6_Made_Easy_Part2.pdf
# grep -E 'svm|vmx' /proc/cpuinfo vmx is for Intel processors svm is for AMD processors # lsmod |grep kvm kvm_intel 54285 0 kvm 333172 1 kvm_intel # yum install kvm python-virtinst libvirt libvirt-python virt-manager virt-viewer libguestfs-tools device-mapper-event-libs # cat > /etc/sysconfig/network-scripts/ifcfg-br0 << _EOF_ DEVICE=br0 TYPE=Bridge BOOTPROTO=static IPADDR=10.160.1.221 NETMASK=255.255.255.0 ONBOOT=yes _EOF_ # cat > /etc/sysconfig/network-scripts/ifcfg-em1 << _EOF_ DEVICE=em1 BRIDGE=br0 ONBOOT=yes _EOF_ # /etc/init.d/libvirtd start && chkconfig libvirtd on qemu-img create -f qcow2 -o preallocation=metadata /opt/kvm/kvm-1-91.qcow2 300g #http安装(ip地址dhcp分配) virt-install \ --name=kvm-1-91 --os-variant=rhel6 \ --ram=4096 --vcpus=2 \ --network bridge=br0,model=virtio,mac=00:58:ef:00:00:01 \ --disk path=/opt/kvm/kvm-1-91.qcow2,size=300,format=qcow2,bus=virtio,cache=writeback \ --noapic --accelerate \ --location=http://us.install.suntv.tv/centos6 \ --extra-args='ks=http://us.install.suntv.tv/kickstart/00:58:ef:00:00:01 ksdevice=link ramdisk_size=102400 console=ttyS0,115200' 如果ip地址是静态的话，修改2个地方 1 00:58:ef:00:00:01 kickstart文件里 network部分 2 extra-args='ks=http://us.install.suntv.tv/kickstart/00:58:ef:00:00:01 ksdevice=link ramdisk_size=102400 console=ttyS0,115200'里需要添加ip=xxx.xxx.xxx.xxx netmask=xxx.xxx.xxx.xxx gateway=xxx.xxx.xxx.xxx nameserver=xxx.xxx.xxx.xxx # 线上使用 qemu-img create -f qcow2 -o preallocation=metadata /opt/kvm/kvm-48-115.qcow2 30g virt-install --name=kvm-48-115 --os-variant=rhel6 --ram=2048 --vcpus=1 --network bridge=br0,model=virtio,mac=00:58:ef:00:00:05 --disk path=/opt/kvm/kvm-48-115.qcow2,size=30,format=qcow2,bus=virtio,cache=writeback --graphics none --noapic --accelerate --location=http://install.local/centos-6 --extra-args='ks=http://install.local/kickstart/kvm-centos-6.cfg ksdevice=link ramdisk_size=102400 console=ttyS0,115200' #pxe安装 virt-install \ --name=la-kvm-01 --os-variant=rhel6 \ --ram=4096 --vcpus=2 \ --network bridge=br0,model=virtio,mac=00:58:ef:00:00:01 \ --disk path=/opt/kvm/la-kvm-01.qcow2,size=500,format=qcow2,bus=virtio,cache=writeback \ --noapic --accelerate \ --pxe Q: ERROR Guest name 'la-kvm-01' is already in use. A: virsh destroy la-kvm-01 virsh undefine la-kvm-01 connect: virsh console la-kvm-01 disconnect: Ctrl+] /etc/libvirt/qemu /var/lib/libvirt/qemu # 初始配置完成后建立第1个快照，用于快速恢复环境 virsh snapshot-create-as kvm-70-101 init # 利用初始化好的虚拟机，克隆快速建立多台虚拟机 virsh shutdown kvm-70-101 virt-clone -o kvm-70-101 -n kvm-70-102 -f /opt/kvm/kvm-70-102.qcow2 # 改变虚拟机的cpu核数，最大内存及当前内存 virsh setmaxmem kvm-70-105 4G --config virsh setmem kvm-70-105 4G --live virsh setvcpus kvm-70-105 4 virsh dominfo kvm-70-105 （或者查看/etc/libvirt/qemu/kvm-70-105.xml） # 虚拟机的vcpu绑定物理cpu virsh vcpupin kvm-70-101 0 0 virsh vcpupin kvm-70-101 1 1 virsh vcpupin kvm-70-102 0 2 virsh vcpupin kvm-70-102 1 3 virsh vcpupin kvm-70-103 0 4 virsh vcpupin kvm-70-103 1 5 virsh vcpupin kvm-70-104 0 6 virsh vcpupin kvm-70-104 1 7 virsh vcpupin kvm-70-105 0 8 virsh vcpupin kvm-70-105 1 9 posted on 2016-05-26 15:19 北京涛子 阅读( ...) 评论( ...) 编辑 收藏转载于:https://www.cnblogs.com/liujitao79/p/5531277.html
