There are many ways to get OpenACS working for you quickly and/or easily. See Try OpenACS for demonstrations and hosting solutions.
For platforms like Linux/Ubuntu, Linux/Debian, FreeBSD or Windows, one can use the packaged solutions:
For many Linux platforms (e.g. Ubuntu, Debian, Fedora), one can use the generic installer
that compiles all base components (using Naviserver) and creates users/groups as needed;
which works with Postgres 9.2 or newer. These install scripts can be as well used on Mac OS X, when MacPorts are installed. These installer scripts are regularly updated.
The following alternative script installs aolserver and the contained modules from sources. It assumes, that PostgreSQL is already installed:
These are the steps involved in setting up OpenACS. Before beginning, read about ways of getting help (en:docs-admin-help) during installation. Also, read the documentation completely before beginning, to minimize the chance of any surprises during installation.
These pages contain notes where installing OpenACS on a specific OS different from the *nix standard installation instructions (above). These notes also refer to helper scripts and automated installers that can really simplify installation: