%myvars; ]> by Vinod Kurup Skip this section if you will run only Oracle. OpenACS &version; will run with PostgreSQL 9.0 or newer. 9.5 is currently the recommended version of PostgreSQL. It is recommend to use a prepackaged version of PostgreSQL, which are available in source and binary formats from www.postgresql.org/download/. Larger installations might want to tune the PostgreSQL installation with e.g. the utility pgtune, which is also available via apt-get install pgtune or dnf install pgtune on Debian/Ubuntu or RedHat systems. Official PostgreSQL Docs PostgreSQL Introduction and Resources PostgreSQL Performance Tuning