elpa-flx-ido software package provides allows Emacs Ido to use the flx sorting algorithm, 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 elpa-flx-ido
elpa-flx-ido is installed in your system.
Make ensure the elpa-flx-ido package were installed using the commands given below,
$ sudo dpkg-query -l | grep elpa-flx-ido *
You will get with elpa-flx-ido package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Lisp |
| Package | elpa-flx-ido |
| Version | 0.6.1-1 |
| Description | allows Emacs Ido to use the flx sorting algorithm |
| Sub Section | lisp |