Various actions fail in Plesk with the following error message:
Cannot connect to the task manager (plesk-task-manager service might not be running): No such file or directory
One of the following error messages appears in
Cannot connect to systemd dbus: dial unix /var/run/dbus/system_bus_socket: connect: connection refused
Failed to activate service 'org.freedesktop.systemd1': timed out
Config yaml is missing, defaults are used: open /opt/psa/admin/conf/task-manager.yml: no such file or directory
Detected systemd version is 237
Cannot connect to systemd dbus: dial unix /var/run/dbus/system_bus_socket: connect: no such file or directory
The D-Bus service is not running properly.
Connect to the Plesk server via SSH.
Restart the D-Bus service:
# systemctl restart dbus.socket
Restart the Plesk Task Manager service:
# service plesk-task-manager restart