kubuntu-notification-helper software package provides Kubuntu system notification helper, 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 kubuntu-notification-helper
kubuntu-notification-helper is installed in your system.
Make ensure the kubuntu-notification-helper package were installed using the commands given below,
$ sudo dpkg-query -l | grep kubuntu-notification-helper *
You will get with kubuntu-notification-helper package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | KDE |
| Package | kubuntu-notification-helper |
| Version | 15.10ubuntu2 |
| Description | Kubuntu system notification helper |
| Sub Section | kde |