Install JRE =========== the Java Runtime Environment is mandatory to run AWS. On debian install it with * apt-get install sun-java6-jre You should accept the license. Configuration ============= You have to edit aws.cnf in order to specify * NAGIOS_AMAZON_PLUGIN_PATH : Your plugin folder. Can be replace by somethink like that SOURCE="${BASH_SOURCE[0]}" while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done NAGIOS_AMAZON_PLUGIN_PATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )" * EC2_PRIVATE_KEY : Path to your EC2 private key * EC2_CERT : Path to your EC2 certificate You have to use a couple of private key/certificate files to connect to AWS. You can put them in a _keys_ folder