Update openhabian-amanda.md (#719)
Update openhabian-amanda.md (#719)

* Update openhabian-amanda.md

Mention no_root_squash option on NFS server

* Update openhabian-amanda.md

Mention nounix
Mention AGAIN that CIFS is NOT supported

* Update openhabian-amanda.md

* Update openhabian-amanda.md

minor wording clarification

ThomDietrich/openhabian,openhab/openhabian,openhab/openhabian,openhab/openhabian