https://wiki.ubuntuusers.de/SSD/
https://sites.google.com/site/easylinuxtipsproject/ssd
https://wiki.debian.org/SSDOptimization
https://wiki.debian.org/SSDOptimization#Reduction_of_SSD_write_frequency_via_RAMDISK
https://www.thomas-krenn.com/de/wiki/SSD_Performance_optimieren