Howto: two Firebirds on one #Linux #Ubuntu box
Igor Wawrzyniak wrote on his blog :
Don’t know if anyone ever needs such a crazy setup, but here it goes. I needed to run a software that requires Firebird 2.x. Nothing special, it’s available in my distribution (Ubuntu). I also had to run another app that needs Firebird 1.5. That’s where it started to get complicated