Welcome to the world of Home Assistant is open source software for creating a smart home,
After Home Assistant which will as been installed, it can take can few minutes a while to start after being Installed, Please please bepatient it will start. START/STOP/RESTART HOME ASSISTANT sudo systemctl stop homeassistant.service Replace stop with start or restart to get the desired functionality. To get the current state of the homeassistant.service replace stop with status. or you can look at amahi home server page then setting then server look for Home Assistant Server you can stop or restart on this page if needed