For those who are interested in running IDS on the Mac, here are some helpful articles about installing and accessing IDS thru PHP on the Mac:

• Mike Abney: Installing Informix on a Mac I
• Mike Abney: Installing Informix on a Mac II
• Antonio Musarra: Mac OS X Snow Leopard: Informix IDS 11.5 + PHP 5.3

Here is some additional information about Informix@Ubuntu that I received from Andreas Breitfeld and Alexander Koerner from IBM Munich regarding the Informix Ubuntu packages:

The packages have been build for Ubuntu 8.04 LTS (Long Term Support) and are availabe on the Canoncial Partner repository. The installation could be performed from the command line or through the Synaptic GUI interface.

Command Line:
Activate the Canoncial repository by uncommenting the following to lines in /etc/apt/sources.list:

• deb http://archive.canonical.com/ubuntu hardy partner