inetutils-talkd software package provides remote user communication server, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install inetutils-talkd
inetutils-talkd is installed in your system.
Make ensure the inetutils-talkd package were installed using the commands given below,
$ sudo dpkg-query -l | grep inetutils-talkd *
You will get with inetutils-talkd package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | inetutils-talkd |
| Version | 2:1.9.4-1build1 |
| Description | remote user communication server |
| Sub Section | Net |