The starter server controlls the other Tango servers. The user interface is astor. In our environment: if the starter is not running Tango, is not operational.
sudo /bin/systemctl restart tango-starter sudo /bin/systemctl stop tango-starter sudo /bin/systemctl status tango-starter When the service is active: $ sudo /bin/systemctl status tango-starter * tango-starter.service - Tango starter service Loaded: loaded (/etc/systemd/system/tango-starter.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2020-05-12 15:51:28 CEST; 2min 26s ago Process: 2271 ExecStartPre=/usr/lib/tango/fsectools/createStarter (code=exited, status=0/SUCCESS) ... When the service is NOT active: $ sudo /bin/systemctl status tango-starter * tango-starter.service - Tango starter service Loaded: loaded (/etc/systemd/system/tango-starter.service; enabled; vendor preset: enabled) Active: inactive (dead) since Tue 2020-05-12 15:58:36 CEST; 12s ago Process: 2271 ExecStartPre=/usr/lib/tango/fsectools/createStarter (code=exited, status=0/SUCCESS) Process: 2277 ExecStart=/usr/lib/tango/Starter haspp99 (code=exited, status=0/SUCCESS) Process: 3491 ExecStop=/usr/lib/tango/fsectools/server_ctrl.py -k -t haspp99 (code=exited, status=0/SUCCESS) Main PID: 2277 (code=exited, status=0/SUCCESS) sudo /bin/systemctl start tango-starter if status tango-starter shows this service to be inactive or if 'ps -aux | grep Starter' does not show '/usr/lib/tango/Starter haspp99'