aolserver4-nsopenssl software package provides AOLserver 4 module: module for SSL mode, 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 aolserver4-nsopenssl
aolserver4-nsopenssl is installed in your system.
Make ensure the aolserver4-nsopenssl package were installed using the commands given below,
$ sudo dpkg-query -l | grep aolserver4-nsopenssl *
You will get with aolserver4-nsopenssl package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Web Software |
| Package | aolserver4-nsopenssl |
| Version | 3.0beta26-5 |
| Description | AOLserver 4 module: module for SSL mode |
| Sub Section | web |