apt-dater software package provides terminal-based remote package update manager, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apt-dater
apt-dater is installed in your system.
Make ensure the apt-dater package were installed using the commands given below,
$ sudo dpkg-query -l | grep apt-dater *
You will get with apt-dater package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | apt-dater |
| Version | 1.0.2+git20151216-1 |
| Description | terminal-based remote package update manager |
| Sub Section | admin |