resolvconf software package provides name server information handler, 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 resolvconf
resolvconf is installed in your system.
Make ensure the resolvconf package were installed using the commands given below,
$ sudo dpkg-query -l | grep resolvconf *
You will get with resolvconf package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | resolvconf |
| Version | 1.69ubuntu1 |
| Description | name server information handler |
| Sub Section | Net |