netcat6 software package provides TCP/IP swiss army knife with IPv6 support, 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 netcat6
netcat6 is installed in your system.
Make ensure the netcat6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep netcat6 *
You will get with netcat6 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | netcat6 |
| Version | 1.0-8 |
| Description | TCP/IP swiss army knife with IPv6 support |
| Sub Section | Net |