citadel-client software package provides complete and feature-rich groupware server (command line client), 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 citadel-client
citadel-client is installed in your system.
Make ensure the citadel-client package were installed using the commands given below,
$ sudo dpkg-query -l | grep citadel-client *
You will get with citadel-client package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | |
| Package | citadel-client |
| Version | 9.01-1 |
| Description | complete and feature-rich groupware server (command line client) |
| Sub Section |