pdns-backend-pipe software package provides pipe/coprocess backend for PowerDNS, 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 pdns-backend-pipe
pdns-backend-pipe is installed in your system.
Make ensure the pdns-backend-pipe package were installed using the commands given below,
$ sudo dpkg-query -l | grep pdns-backend-pipe *
You will get with pdns-backend-pipe package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | pdns-backend-pipe |
| Version | 3.3-2ubuntu0.1 [amd64, i386], |
| Description | pipe/coprocess backend for PowerDNS |
| Sub Section | Net |