There is a command line utility included with Sentinel is useful for managing and configuring many lower level functions of the system. The utility is located in /usr/sbin/rcsentinel.
The utility has the following options to manage the Sentinel services:
rcsentinel start: Starts the Sentinel service.
rcsentinel stop: Stops the Sentinel service.aaaaaaaaaaaaaaaaaa
rcsentinel status: Displays the status of the Sentinel service.
rcsentinel restart: Restarts the Sentinel service.
rcsentinel try-restart: Restarts the Sentinel service if the Sentinel service is running.
rcsentinel force-reload: Forces the Sentinel service to reload the Sentinel configuration.
rcsentinel startdb: Starts the PostgreSQL database.
rcsentinel stopdb: Stops the PostgreSQL database.
rcsentinel force_stopdb: Forces the PostgreSQL database to stop.
rcsentinel startSIdb: Starts the Security Intelligence database.
rcsentinel stopSIdb: Stops the Security Intelligence database.
rcsentinel version: Displays the version of the Sentinel service.
rcsentinel -p, --priority=<integer>: Specifies the process priority.
rcsentinel -h, --help: Displays all options for the rcsentinel utility.
rcsentinel -l, --log-file=FILE: Sends log messages to a file.
rcsentinel -q, --quiet: Displays fewer messages.
rcsentinel -v, --verbose: Displays more messages.