under settings there is a link called system. under system is says: create backups, check logs, or reboot your system.
after clicking system I have been through all the links in here so many times now. there is no reboot button here. how do i reboot?
Here
Upper right corner
Then “Advanced Options”:
More importantly why are you rebooting?
You should rarely have to reboot the host machine.
A reload or restart of Home Assistant is all that is required in nearly all cases.
i was following a guide to add some hardware, it asked me to edit my config.yaml, this broke everything. After repairing the file i needed to reboot. thanks tom and thanks to liquid cooled and jackJourneyMan.