Raspberry PI
Prepare an SD card
https://www.raspberrypi.org/documentation/installation/installing-images/linux.md
- Run df -h to see what devices are currently mounted
- Unmount the partitions on the SD card umount /dev/sdc1 umount more if there are more partitions
- Write the image to the SD card using dd
sudo dd bs=4M if=nameofimagefiletobeflashed.img of=/dev/sdc