Unable to access fireruby lib – with firebird 2.0.x and ror

I am getting the following controller exception when trying to access
my newly installed Firebird DB  (to replace MySQL) from my app.

libfbclient.so.1: cannot open shared object file: No such file or
directory – /usr/local/lib/ruby/gems/1.8/gems/fireruby-0.4.0-i586-
linux/lib/fr_lib.so

[ED:Solution is provided in the above thread]