How do I resolve "pdf2image: No such file or directory" on 64 bit Linux?

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Q: I am using PDF2Image on 64 bit Debian / Linux 5.0 server.

After unpacking the archive file I found the following:

> work:~/tmp/pdf2image$ ls -l
-rwxr-xr-x 1 3900 2011-01-28 22:00 legal.txt
-rwxr-xr-x 1 242941 2010-11-18 01:09 license.pdf
-rwxr-xr-x 1 12725696 2011-01-29 01:04 pdf2image
-rwxr-xr-x 1 234520 2010-02-03 03:49 PDFTron_PDF2Image_User_Manual.pdf
drwxr-xr-x 24096 2011-02-21 13:12 test
-rwxr-xr-x 1 1154 2011-01-29 01:04 test.sh
-rwxr-xr-x 1 9072 2011-01-29 00:15 Usage.txt

Running test.sh resulted in these errors:
work:~/tmp/pdf2image$ ./test.sh

Command-line samples for PDF2Image.
Copyright 2003-2011 PDFTron Systems

Example 1) Convert PDF to PNG using default resolution settings:
/test.sh: line 6: ./pdf2image: No such file or directory

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A: To resolve the issue please make sure that you have standard 32-bit
libs installed.

For example:

apt-get install ia32-libs