nsca-client software package provides Nagios service monitor agent - client package, 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 nsca-client
nsca-client is installed in your system.
Make ensure the nsca-client package were installed using the commands given below,
$ sudo dpkg-query -l | grep nsca-client *
You will get with nsca-client package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | nsca-client |
| Version | 2.9.1-3ubuntu1 |
| Description | Nagios service monitor agent - client package |
| Sub Section | Net |