apt-get update
aptitude dist-upgrade

#setup minimal graphical environment
aptitude install xorg xfce4 xdm xfsprogs 

echo "kvm_intel" >> /etc/modules
modprobe kvm_intel
aptitude install kvm qemu bridge-utils 

# This setup is intended for bridged networking TUN/TAP

#make /etc/network/interfaces look like this (you get the meaning)

-----------
# The primary network interface
#auto eth0
#iface eth0 inet dhcp

auto br0 
iface br0 inet static 
        address 192.168.42.69
        network 192.168.42.0 
        netmask 255.255.255.0 
        broadcast 192.168.42.255 
        gateway 192.168.42.1 
        bridge_ports eth0 
        bridge_fd 9 
        bridge_hello 2 
        bridge_maxage 12 
        bridge_stp off
------------

# install virt-manager
aptitude install virt-manager libvirt0  libvirt-bin virt-viewer

#enable the libvirt daemon
vi /etc/default/libvirt-bin
/etc/init.d/libvirt-bin restart