Start up
Cockpit’s cockpit-ws component is what the browser connects to and
it typically starts on demand via
systemd socket
activation.
The actual cockpit.service and cockpit-ws process will start on
demand when a browser accesses the cockpit.socket,
usually on port 9090. Once a user logs in then a
cockpit-bridge process will be started in a Linux user login
session.
Only systems that you connect to with your browser need to have the
cockpit.socket enabled. For systems that you add through host
switcher the bridge is started via SSH on demand.