libnetxx1 software package provides C++ library for network programming, 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 libnetxx1
libnetxx1 is installed in your system.
Make ensure the libnetxx1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libnetxx1 *
You will get with libnetxx1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libnetxx1 |
| Version | 0.3.2-2 |
| Description | C++ library for network programming |
| Sub Section | libdevel |