apparmor software package provides user-space parser utility for AppArmor, 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 apparmor
apparmor is installed in your system.
Make ensure the apparmor package were installed using the commands given below,
$ sudo dpkg-query -l | grep apparmor *
You will get with apparmor package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | apparmor |
| Version | 2.10.95-0ubuntu2 |
| Description | user-space parser utility for AppArmor |
| Sub Section | admin |