• CentOS에 KVM 설치
• QEMU
• qemu-img
• Libvirt
• virsh
• virt-install
• virt-viewer
• virt-clone
• 참고 문헌

KVM을 정리 합니다.

 

CentOS에 KVM 설치

---

 

 #--- CPU가 Virtualization을 지원하는지 확인 한다.
 lscpu | grep Virtualization
 
 #--- KVM을 설치 한다.
 yum  install  qemu-kvm  qemu-img
 yum  install  libvirt  libvirt-python  python-virtinst  libvirt-client  virt-manager  virt-install  virt-top
 yum  install  bridge-utils  libguestfs-tools
 
 systemctl  enable  libirtd.service
 systemctl  restart  libvirtd.service
 lsmod  |  grep  -i  kvm
 
 #--- X11 관련 프로그램 설치
 yum install xorg-x11-xauth xorg-x11-fonts-* xorg-x11-utils

 

• /etc/libvirt/

• libvirt.conf

• libvirtd.conf

• qemu.conf

 
 

QEMU

---

 

qemu-img

 

 qemu-img  create  -f qcow2  -o preallocation=full  ~.img  8G

 

Libvirt

---

 

virsh

 virsh  --help
 virsh
     quit
 
 virsh  start  {vm_name}                           #--- VM 시작
 virsh  suspend  {vm_name}
 
 virsh  list --all

 

 #--- Storage
 virsh  vol-list

 

 #--- Network
 virsh  net-list
 virsh  net-dumpxml default
 virsh  net-destroy   default
 virsh  net-undefine  default

 

virt-install

 

 virt-install  --name=node001  \
     --vcpus=1  --ram=2048  \
     --disk path=node001.img,size=10  --cdrom=CentOS7.iso  \
     --os-type=linux  --os-variant=rhel6  
 
 virt-install  --name=node002  \
     --vcpus=1  --ram 2048  \
     --disk path=node002.qcow2,size=40,bus=virtio,format=qcow2  --cdrom=CentOS7.iso  \
     --network=bridge=br0,model=virtio  \
     --virt-type=kvm  --os-variant=centos7  --graphics vnc
 
 virt-install  --name node003  \
     --vcpus=2  --memory=2048,maxmemory=4096  \
     --disk path=node003.qcow2,size=40,bus=virtio,format=qcow2  --cdrom=CentOS7.iso  \
     --network=bridge=virbr0,model=virtio  
     --virt-type=kvm  --os-variant=rhel7.3  --graphics vnc
 
 virt-install  --name win001  \
     --vcpus=4  --ram 8192  \
     --disk path=win001.img,size=80  --cdrom windows10.ISO  \
     --network bridge=br0  \
     --os-type windows  --os-variant=win10  \
     --graphics spice,listen=0.0.0.0,password=password,keymap=ja  --video qxl   -boot uefi

 

virt-viewer

 

virt-clone

 

 virt-clone  --original source_vm  --name target_vm  --file target_vm.img

 

참고 문헌

---

 

• Bridge

• Open vSwitch

• Libvirt

 
 

분류: Cloud

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