linux

echo 1 > /sys/class/scsi_device/2:0:1:0/device/rescan echo "- - -" > /sys/class/scsi_host/host2/scan

  • view keys being pressed https://unix.stackexchange.com/questions/144390/print-currently-pressed-keys-to-stdout-and-read-them-line-by-line
    stdbuf -o0 showkey -a | cat -