Ubuntu 11.04 on Citrix XenServer 5.5, Part 2

This is part 2 of a series on installing Ubuntu 11.04 (Natty Narwhal) on Citrix XenServer 5.5 in paravirtualization (PV) mode. [Part 1]

With the Ubuntu templates imported into XenServer, you can now create a VM. Enter the following for the Install from URL prompt:

http://archive.ubuntu.com/ubuntu

The template is configured to use the natty release, and looks for the boot image here:

http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/current/images/netboot/xen/

Start the VM and begin the installation. You will receive the following error on the network screen:

No network interfaces detected
No network interfaces were found. The installation system was unable to find a network device.
You may need to load a specific module for your network card, if you have one. Forthis, go back to the network hardware detection step.

The kernel fails to detect the virtual network card and load the Xen driver.  To load it manually, press Alt+F1 to start a shell and enter:

# modprobe xen-netfront
# exit

You can now continue with the installation; however, I recommend waiting for the next part in the series as I want to dedicate a whole entry to partitioning and filesystems.