aptfs software package provides FUSE filesystem for APT source repositories, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aptfs
aptfs is installed in your system.
Make ensure the aptfs package were installed using the commands given below,
$ sudo dpkg-query -l | grep aptfs *
You will get with aptfs package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | aptfs |
| Version | 1:0+git201108031956-38fb8dc-2 |
| Description | FUSE filesystem for APT source repositories |
| Sub Section | Utils |