Restarting the Supervisor

Linux

% sudo /usr/bin/systemctl restart supervisor

Or

% sudo /sbin/service supervisor restart

macOS

% sudo launchctl stop com.pipelinefx.supervisor
% sudo launchctl start com.pipelinefx.supervisor

Windows (Administrative Tools)
Click on the Services icon in the Administrative Tools section of the Windows Control Panel. Select the qubeSupervisor service and right click to select Restart from the menu.

Windows (Command line)
From a command prompt:

C:> net stop qubesupervisor
C:> net start qubesupervisor

You can also restart the Supervisor via the GUI:
    "Administration > Supervisor > Stop", then
    "Administration > Supervisor > Start"