It's always been my experience (so far) that one needs to do:
before doing:Code:systemctl start service
I concluded over the years that if there isn't a service file (which "start" initiates), it won't/can't be enabled.Code:systemctl enable service
But that's just my two-cents worth.
As well, maybe becoming rootinstead of usingCode:su -
might help (I'm not fully sure about that, though). Worth a try (it's free).Code:sudo