# wget http://ftp.daumkakao.com/centos/6.7/isos/x86_64/CentOS-6.7-x86_64-bin-DVD1.iso
# qemu-img create -f qcow2 CentOS6.7_x86_64.qcow2 25G
Formatting 'CentOS6.7_x86_64', fmt=qcow2 size=26843545600 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
# virt-install --virt-type qemu --name CentOS_6.7_x86_64 --ram 2048 --disk CentOS_6.7_x86_64.qcow2,format=qcow2 --network network=default --graphics vnc,listen=0.0.0.0 --noautoconsole --os-type=linux --os-variant=rhel6 --extra-args="console=tty0 console=ttyS0,115200n8 serial" --location=CentOS-6.7-x86_64-bin-DVD1.iso
==>> ERR Message
ERROR Cannot access storage file '/root/CentOS_6.7_x86_64.qcow2' (as uid:107, gid:112): Permission denied
Domain installation does not appear to have been successful.
If it was, you can restart your domain by running:
virsh --connect qemu:///system start CentOS_6.7_x86_64
otherwise, please restart your installation.
SOLVE) :: 권한 설정
이미지 생성이후 OpenStack 과 연동하려면 해당 부분에 다시 주석처리
# vim /etc/libvirt/qemu.conf
user = "root"
group = "root"
# service libvirt-bin restart
※ virsh 사용법
# virsh help
# virsh list --all
# virsh destroy CentOS_6.7_x86_64
# virsh undefine CentOS_6.7_x86_64
;;;; 부팅하면 화면이... ???
방법2)
# qemu-system-x86_64 -boot d -m 2048 -smp 1 -drive file=CentOS_6.7_x86_64.qcow2,if=virtio,index=0,media=disk -cdrom CentOS-6.7-x86_64-bin-DVD1.iso -vnc :10 -monitor unix:CentOS_6.7_x86_64.monitor,server,nowait
VNC srever : 115.68.206.34:10
