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Running vm on KVM
First I convert my virtualbox disk image to qcow2.VBoxManage clonehd --format RAW w7.vdi w7.raw qemu-img convert -f raw w7.raw -O qcow2 w7.qcow2
Then follow the official doc to install kvm and create my first kvmvm
https://help.ubuntu.com/community/KVM
Create disk image in qed format
qed is supposed to be faster. To create, run the followingqemu-img create -fqed cent6.qed 12G
Bridge Networking
aptitude install qemu libcap2-bin bridge-utils setcap cap_net_admin=ei /usr/bin/qemu-system-x86_64
/etc/security/capability.conf
cap_net_admin MY-USER-NAME
Stop networking
invoke-rc.d networking stop
Edit /etc/network/interfaces
Replace the name of primary interface with br0, then create it back with the following (assuming it's eth0)
auto br0 iface br0 inet static address 192.168.x.1 network 192.168.x.0 netmask 255.255.255.0 broadcast 192.168.x.255 gateway 192.168.x.254 bridge_ports eth0 bridge_stp off bridge_fd 0 bridge_maxwait 0 auto eth0 iface eth0 inet manual
And then restart networking
/etc/init.d/networking restart
