Home Assistant won't start (UI doesn't open)

After installation I try to start the UI with hass --open-ui.
I must admit it’s all new to me, but just following the instructions here.
My term displays a lot of info but stops at: 2019-04-24 17:36:06 INFO (MainThread) [homeassistant.components.discovery] Unknown service discovered: home_assistant {‘host’: ‘192.168.178.21’, ‘port’: 8123, ‘hostname’: ‘Home._home-assistant._tcp.local.’, ‘properties’: {‘version’: ‘0.91.4’, ‘base_url’: ‘http://192.168.178.21:8123’, ‘requires_api_password’: True}}

And the UI doesn’t open.
What am I doing wrong?

How did you install Home Assistant? I would guess a manual installation. Here is the official way to do that.

Install was done a Macbook with Python.
Any special instructions for that?

Like this?

Google is your friend :wink:

I installed it with these instructions at hand. But still it doesn’t work. That’s why I’m asking here :wink:

I understand MacOS has an application firewall. Is it turned on? If so you need to permit port 8123.

Note that there is no local UI. The only UI is the web interface.

True for Home Assistant but Hassio has that cli shell that is a UI.

However, launching HA does not launch that shell - if the OP is expecting some UI to appear (since the argument --open-ui does hint at that) then they’re not going to get one.

(I’d also argue that it’s not a Home Assistant UI, since it’s Hass.io specific :wink: )

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Thanks for all your replies, but how does it help me?
Sorry, I’m quit new to these things…

You just open a web browser and go to http://yourcomputerip:8123

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