sudomod

Maybe usefull if not known yet
https://www.evernote.com/shard/s3/sh/38 ... 9d6c5df1e0

Take care to to a backup before try any of the changes. I crashed mine once and learned the need of a working backup.
Anyway this optimization is quite helpful for some aspects. Chose yourself your needs.

Same for saving some energy. Why not shut-off the internal raspberry activity LED by software?
https://www.jeffgeerling.com/blogs/jeff ... spberry-pi