Some 32-bit pre-built binary not work in 64-bit Ubuntu

Ubuntu 12.04.3 amd64 desktop

Some 32-bit pre-built binary might not work in 64-bit environment, e.g.:

# XXXX -v
bash: XXXX: No such file or directory

Some would report "bash: XXXX: Not found".

With 64-bit Ubuntu, install the following package fixed my problem:

apt-get install libc6:i386

64 bit - What happened to the ia32-libs package? - Ask Ubuntu
http://askubuntu.com/questions/107230/what-happened-to-the-ia32-libs-package