This tutorial is intended to show the practical aspects of the Lemon sensors and alarms for the experimental VOBOXES at the T0. It will also show how to create services with SLS 1. Installation and configuration of lemon sensors for the monitoring of specific experiment services 2. How to retrieve the information provided by the lemon sensors 3. How to create and implement lemon alarms and procedures to follow 4. How to create services in SLS 5. How to integrate the lemon sensor information into SLS All the material presented in this tutorial will be included in a wiki page.