nbd-client software package provides Network Block Device protocol - client, 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 nbd-client
nbd-client is installed in your system.
Make ensure the nbd-client package were installed using the commands given below,
$ sudo dpkg-query -l | grep nbd-client *
You will get with nbd-client package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | nbd-client |
| Version | 1:3.7-1ubuntu0.1 [amd64, i386] |
| Description | Network Block Device protocol - client |
| Sub Section | Admin |