[CentOS] 32 bit applications on 64 bit machine

> A more targeted approach: run "ldd a.out" and see what 32-bit
> libraries your 32-bit binary is expecting to have available.

I should have also said that you need to install the 32-bit versions
of libraries separately. The base CentOS install may have some 32-bit
libs installed, but if  you need to install more you will have to
specify the i386 version to yum.
--
Jeff