Support > Athena Support > Athena Operating System > Manually Starting and Stopping Processes

Athena processes run as daemons on the host devices. Like all processes in Linux they may be manually started, stopped, or rebooted.

The daemons are listed below. To start, stop, or restart them use the following command.

sudo systemctl [start | stop | restart | status] [daemon name]

Common Daemons on Targets, Monitors, and Displays

usb-operation-daemon: Monitors the /media/pi/[device name] for inserted USB Thumb drives.

Target Daemons

target-daemon: Primary process that performs scoring shots.

target-lift: Interacts with the hardware motor to raise and lower the target unit.

Monitor Daemons

monitor-daemon: Primary process that performs the athlete monitor user interface.

Display Daemons

display-daemon: Primary process that performs the spectator display user interface.

Network Manager (Greengrass) Daemon

greengrass-daemon: Primary process that performs the duties of the Network Manager.