QNAP/Linux Tool - PostgreSQL

QNAP has packaged the widely-used DBMS, PostgreSQL, from Linux open source. The supported version is newer than that packaged in OptIPKG. As for why choosing PostgreSQL, please see Ubuntu Programming Lesson 01 - Install PostgreSQL (Why PostgreSQL).

PostgreSQL is available on QNAP App Center

QNAP NAS - IPKG and Optware IPKG App

QNAP NAS is a good platform for understanding the practices of developing embedded systems, since QNAP OS (QTS) is a minimized Linux OS for optimizing the performance of NAS. That is you can not install any software with only one click on setup.exe, the pre-required libraries and packages must manually installed before you can run a powerful App written with Qt for example. In Ubuntu, you are familiar with using apt-get to install packages. In QTS, you must learn how to use ipkg.