deb http://it.archive.ubuntu.com/ubuntu/ feisty main universe restricted multiverse deb-src http://it.archive.ubuntu.com/ubuntu/ feisty main universe restricted multiverse deb http://security.ubuntu.com/ubuntu feisty-security main universe restricted multiverse deb-src http://security.ubuntu.com/ubuntu feisty-security main universe restricted multiverse deb http://it.archive.ubuntu.com/ubuntu/ feisty-updates main universe restricted multiverse deb-src http://it.archive.ubuntu.com/ubuntu/ feisty-updates main universe restricted multiverse