dyfi software package provides client for updating dynamic hostname mappings for dy.fi, 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 dyfi
dyfi is installed in your system.
Make ensure the dyfi package were installed using the commands given below,
$ sudo dpkg-query -l | grep dyfi *
You will get with dyfi package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Miscellaneous |
| Package | dyfi |
| Version | 1.2.0-5 |
| Description | client for updating dynamic hostname mappings for dy.fi |
| Sub Section | misc |