You use Raspbian system image but only need RPi as a special purpose server so many packages are unnecessary (especially GUI components). A few suggestions how to slim down the Raspbian (or any other Debian based RPi distribution) are explained here:
https://extremeshok.com/2012/07/22/raspberry-pi-raspbian-tuning-optimising-optimizing-for-reduced-memory-usage/
https://wiki.debian.org/ReduceDebian
There are at least two benefits from slimmed down system:
- You can re-use old SD cards lying around the house and
- the package management (apt-*, dpkg) work faster as there are less files to process.
https://extremeshok.com/2012/07/22/raspberry-pi-raspbian-tuning-optimising-optimizing-for-reduced-memory-usage/
https://wiki.debian.org/ReduceDebian
There are at least two benefits from slimmed down system:
- You can re-use old SD cards lying around the house and
- the package management (apt-*, dpkg) work faster as there are less files to process.
