Check if internet connection exists and issue a warning if it doesnt

debian-config

@@ -14,6 +14,10 @@ if [[ $EUID != 0 ]]; then
 	exit
 fi
 
+echo -e "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1
+if [[ $? -ne 0 ]]; then
+	read -n 1 -s -p "Warning. Configurator can't work properly without internet connection. Press CTRL C to stop to stop or any key to ignore and continue."
+fi
 
 function get_wlan_interface ()
 {