Howtoforge posted a guide about installing LedgerSMB on Debian GNU/Linux 4.0

LedgerSMB is a free (licensed under the GPL), web based double entry accounting system written in Perl which uses PostgreSQL for data storage. It is intended for small and medium businesses (SMB), and it can be used easily through a regular web browser like Firefox. This tutorial explains how to install LedgerSMB on a Debian Etch system.

Installing LedgerSMB (Open Source Accounting Application) On Debian Etch