aolserver4-core software package provides AOL web server version 4 - core libraries, 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-core
aolserver4-core is installed in your system.
Make ensure the aolserver4-core package were installed using the commands given below,
$ sudo dpkg-query -l | grep aolserver4-core *
You will get with aolserver4-core package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Web Software |
| Package | aolserver4-core |
| Version | 4.5.1-18 |
| Description | AOL web server version 4 - core libraries |
| Sub Section | web |