Installing Mono 1.9 on Ubuntu

From Mono Wiki

From Mirco 'meebey' Bauer:

Debian/Etch to http://debian.meebey.net/etch-backports

If you want to use them add this to your /etc/apt/sources.list: deb http://debian.meebey.net/etch-backports /

After that run: apt-get update