apache2-suexec-pristine software package provides Apache HTTP Server standard suexec program for mod_suexec, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apache2-suexec-pristine
apache2-suexec-pristine is installed in your system.
Make ensure the apache2-suexec-pristine package were installed using the commands given below,
$ sudo dpkg-query -l | grep apache2-suexec-pristine *
You will get with apache2-suexec-pristine package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Servers |
| Package | apache2-suexec-pristine |
| Version | 2.4.7-1ubuntu4.13 [amd64, i386 |
| Description | Apache HTTP Server standard suexec program for mod_suexec |
| Sub Section | httpd |