I have been trying to get HtDig running on Dreamhost and have been running into one error after another.

When I tried installing it as I normally do, I received 405 errors. After contacting suppport, changed the POSTs to GETs based on their advice. The server now throws 500 errors.

Any advice anyone might be able to provide?

Rename the htsearch file to htsearch.cgi in your cgi-bin directory and remember to update your search form with the new name as well, e.g.,