Use the following instructions: Install the repository in one of the following ways: Install the getdeb package. Or configure the repository manually: Go to System-Administration-Software Sources, Third-Party Software tab, Add: deb http://archive.getdeb.net/ubuntu -getdeb apps Add the repository GPG key, open a terminal window and type: wget -q -O- http://archive.getdeb.net/getdeb-archive.key | su