document symlink for Location:

diff --git a/temp2.sh b/temp2.sh
index 2b1e07b..3762b76 100755 (executable)
--- a/temp2.sh
+++ b/temp2.sh
@@ -11,7 +11,8 @@ curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-url
 
 cd /home/pi/vaillant-thermostat/
 gnuplot temp2.gnuplot
-convert /dev/shm/temp2.png -gravity center -extent 600x800 -colorspace Gray /tmp/temp2.png
+convert /dev/shm/temp2.png -gravity center -extent 600x800 -colorspace Gray /dev/shm/temp2-gray.png
+# ln -s /dev/shm/temp2-gray.png /var/www/html/temp2.png 
 
 echo Location: http://192.168.3.2/temp2.png
 echo