* To change logging check log4j.properties and start.sh.
* For configuration check gpio.conf, cron.conf and start.sh
+## Updating the Software
+If you already installed a version from source, it is very easy to get new features and update to the latest release:
+1. Change working directory to raspberry-pi-gpio-web-control with `cd raspberry-pi-gpio-web-control`
+2. Get the latest release `hg pull`
+3. Update your local repository `hg update`
+4. Stop the servlet container sudo ./stop.sh.
+5. Rebuild the project `mvn package`
+6. Start the servlet container `sudo ./start.sh`
If you also need a client for your iPhone or iPad, you may want to have look at my free iPhone client: [iControl Web](https://itunes.apple.com/de/app/icontrol-web/id580659303?mt=8).