A simple configuration file located in [FELIX:karaf]/etc/org.apache.karaf.features.cfg can be modified to customize the behavior when starting the Kernel for the first time. This configuration file contains two properties:
featuresBoot: a comma separated list of features to install at startup
featuresRepositories: a comma separated list of feature repositories to load at startup
This configuration file is of interest if you plan to distribute a Apache Karaf distribution which includes pre-installed features.