This guide is adapted and updated from an online article "A step-by-step how-to guide to install, configure, and test a Linux, Apache, Informix, and PHP server" by Kellen F. Bombardier.
Original article can be accessed at: http://www.ibm.com/developerworks/data/library/techarticle/dm-0606bombardier/
##Before you start This guide assumes the use of an RPM-based 64-bit Linux system. The steps provided have been completed on Centos 7 on minimal/centos7 vagrant box. However, the overall ideas can be conveyed across any Linux distribution.
##Pre-installation steps First, you need to have the Informix Dynamic Server and the Informix Software Development Kit. If you do not have these products, you can find them on the Informix product family page.