apache2-suexec-custom software package provides Apache HTTP Server configurable suexec program for mod_suexec, 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 apache2-suexec-custom
apache2-suexec-custom is installed in your system.
Make ensure the apache2-suexec-custom package were installed using the commands given below,
$ sudo dpkg-query -l | grep apache2-suexec-custom *
You will get with apache2-suexec-custom package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Web Software |
| Package | apache2-suexec-custom |
| Version | 2.4.18-2ubuntu3.1 [amd64, i386 |
| Description | Apache HTTP Server configurable suexec program for mod_suexec |
| Sub Section | web |