got rid of ping

Dockerfile

@@ -6,7 +6,7 @@ ENV INITSYSTEM on
 # Version number of gateway software.
 # (Incrementing this simply forces Docker to flush its cache
 #  and thus forces a full rebuild. Not used outside of Dockerfile.)
-ENV TTN_GATEWAY_SOFTWARE 48
+ENV TTN_GATEWAY_SOFTWARE 50
 
 # Copy the build and run environment
 COPY . /opt/ttn-gateway/

README.md

@@ -1,4 +1,4 @@
-# TTN Gateway for Raspberry Pi + IMST iC880A SPI
+# TTN Gateway for Raspberry Pi
 
 Resin Dockerfile & scripts for [The Things Network](http://thethingsnetwork.org/) gateways based on the iC880a concentrator with a Raspberry Pi host, connected using SPI.
 

run.sh

@@ -9,7 +9,7 @@ fi
 
 # We need to be online, wait if needed.
 
-while [[ $(ping -c1 google.com 2>&1 | grep " 0% packet loss") == "" ]]; do
+until $(curl --output /dev/null --silent --head --fail http://www.google.com); do
   echo "[TTN Gateway]: Waiting for internet connection..."
   sleep 30
   done