Cloudshell XU4 SSD and trim

Thanks to you John :slight_smile::
I’am adding a cron.daily TRIM for DietPi v121. Won’t work for XU4 (yet), but other devices using flash memory should benefit from it:

This will trim all capable drives (via a list of all mount points):

	#TRIM drives (all mount points)
	df -P | awk '{print $6}' | tail -n +2 > /tmp/.dietpi-cron-daily_trim

	echo -e "$(date)\nDietPi Cron Daily | Filesystem trim"
	while read -r line
	do
		fstrim -v "$line" >> /var/log/dietpi_cron_daily_trim.log

	done < /tmp/.dietpi-cron-daily_trim
	rm /tmp/.dietpi-cron-daily_trim

	cat /var/log/dietpi_cron_daily_trim.log