December 29

install kvm in debian\ubuntu

apt-get update; apt-get upgrade -y; apt-get install -y qemu-kvm bridge-utils libvirt-bin virtinst; echo "net.ipv4.conf.all.forwarding=1" >> /etc/sysctl.conf; echo "net.ipv4.conf.all.proxy_arp=1">> /etc/sysctl.conf; sysctl -p; nano /etc/network/interfaces;reboot

далее создаем интерфейс бриджа
# Bridge network interface
auto eth0
iface eth0 inet manual

auto kvmbr0
iface kvmbr0 inet static
не забудем:
bridge_ports eth0
dns-nameservers 8.8.8.8