diff --git a/sbin/ctl.sh b/sbin/ctl.sh
index 5dcb7dac4..e04dc3964 100755
--- a/sbin/ctl.sh
+++ b/sbin/ctl.sh
@@ -35,6 +35,11 @@ export PYTHONPATH="$PYTHONPATH:./yolov5-face_Jan1"
 export WEIGHTS="./yolov5-face_Jan1/runs/train/exp/weights/yolov5m6_face.pt"
 
 
+function f_apt(){
+     sudo apt install libopencv-dev python3-opencv
+
+}
+
 function f_test(){
 
     wget http://localhost:$PORT/process/