ejabberd software package provides distributed, fault-tolerant Jabber/XMPP server, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ejabberd
ejabberd is installed in your system.
Make ensure the ejabberd package were installed using the commands given below,
$ sudo dpkg-query -l | grep ejabberd *
You will get with ejabberd package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Network |
| Package | ejabberd |
| Version | 16.08-1 |
| Description | distributed, fault-tolerant Jabber/XMPP server |
| Sub Section | Net |