Since Bean, author of Burg, has not yet made available any repository for Ubuntu 11.04, waiting for new developments you can use some repository created by Nate Muench for Natty. Keep in mind that using this repository is equivalent to use Maverick repository for Burg by Bean...

Dato che Bean, autore del Burg, non ha ancora messo a disposizione dei repository per Ubuntu 11.04, in attesa di nuovi sviluppi si possono utilizzare i repository messi gentilmente a disposizione da Nate Muench per Natty. Tenete presente che usare questo repository è equivalente a usare...

  Burg-manager is avaible for Ubuntu and derivated distros and for Archlinux. Now we are looking for someone who wants to collaborate to create a rpm version of Burg-manager adapting bash script to run it correctly on Mandriva, OpenSuse … If you wanna collaborate please...