I put together this bash script to install on a vanilla fedora 14 box. It assumes a bare-bones (i.e. not even postgresql or apache installed yet) box, but I don't see why it can't be used on a full-up install (it just won't install the dependancies that are already existing).
Anyway. Use, fold, spindle, mutilate, use as a basis for something else, feed it to your cat, whatever. You don't even need to give me credit.
I found LedgerSMB after my search for an Open Source accounting package. But truthfully, I am completely puzzled by the installation process of LedgerSMB. I've searched and searched only find instructions that were line after line of command line instructions (none of which were familiar). However, in defense of what I found, they were written back in Nov 2007.