sudo apt-get update sudo apt-get install spice-client-gtk qemu-kvm-spice python-spice-client-gtk
If you’re up to date on your 12.10 patches, you shouldn’t need to modify the libvirt-qemu file for Apparmor but if you have troubles, add it in to /etc/apparmor.d/abstractions/libvirt-qemu:
/usr/bin/qemu-system-i386-spice rmix, /usr/bin/qemu-system-x86_64-spice rmix, /run/shm/spice.* rwixm, /run/shm rw,
As I’m running virt-manager on my laptop and connecting to a server, I created an ssh key so I don’t have to add my password over and over again. See ssh-keygen.