network-preseed software package provides download debconf preseed file, 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 network-preseed
network-preseed is installed in your system.
Make ensure the network-preseed package were installed using the commands given below,
$ sudo dpkg-query -l | grep network-preseed *
You will get with network-preseed package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | debian-installer udeb packages |
| Package | network-preseed |
| Version | 1.62ubuntu1 |
| Description | download debconf preseed file |
| Sub Section | Debian-installer |