Imposible obtener http://www.getautomatix.com/apt/dists/breezy/main/binary-i386/Packages.gz  404 Not Found
E: No se pudo bloquear /var/lib/dpkg/lock - open (11 Recurso no disponible temporalmente)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?