DietPi

DietPi is extremely lightweight at its core, with features of low process/memory footprint and DietPi-RAMlog installed by default, to get the maximum performance from your device. DietPi programs use lightweight Whiptail menus. Spend less time staring at the command line, more time enjoying your Pi. Quickly and easily install popular software “ready to run” and optimised for your system. Only the software you need is installed. Quickly and easily backup or restore your DietPi system. Allows you to completely automate a DietPi installation with no user input. Simply by configuring dietpi.txt before powering on. DietPi-Services Control: Control which installed software has higher or lower priority levels: nice, affinity, policy scheduler and more.