The memory size (show as 32 in the example above may need to be adjusted as per [[Installation#Determining_Memory|Determining Memory]] section.
If For libvirt versions before 5.10.0, if you use are using AppArmor (which is enabled by default on Ubuntu), you will also need to add permission permissions for qemu QEMU to access the shared memory file in apparmorsocket. This can be done by adding '<code>/dev/shm/looking-glass rw,' </code> to the ''/etc/apparmor.d/abstractions/libvirt-qemu '' file.
If you would like to use Spice to give you keyboard and mouse input along with clipboard sync support be sure to also do the following:
If you want clipboard synchronization please see [[FAQ#How to enable clipboard synchronization via SPICE]]
=== Qemu Commands ===