Expand your file system on the SD-card
From Klaus' wiki
Revision as of 10:19, 27 March 2020 by Klaus
Just after you transferred the image to the SD card it may not quite use the full capasity of the Sd-card.
You can expand the partition by issuing:
] $ sudo /opt/scripts/tools/grow_partition.sh
Thanks to Malthe for the tip, who found it ouver at eliunx.org