Hi I'm a newbie to use node-red on raspberry pi and tried to create a simple node is slide show when I deployed and moved to http://192.168.1.20:1880/ui/ but it show "Please add some UI nodes to your flow and redeploy." [1] [2]

when I open F12 fine that.. [4] [5]

You can ignore the loading error. Make sure to disable caching and refresh.

I am not sure about chromium, but in chrome, dev tools, network tab, there is a checkbox to disable cache. I believe in developer mode caching is disable by default, then just shift+reload the page. If not, can you show how you configured the dashboard nodes ?

Also tell us how you installed node red (did you use the recommended script from the node red docs?), and start node red in a terminal and post the startup log here. Use the</> button when you paste the log in.

I installed node-red according to the instructions of https://nodered.org/docs/getting-started/raspberrypi sudo apt install build-essential bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) apt-get install nodered and use command su…

I have tried to disable / enable casche and try to refresh many times but still the same. [6] [7]

[image] Percii: apt-get install nodered You should not have done that. Uninstall it again and run the script again. I don't know whether that is the cause of the problem but it needs to be ruled out.

when I restart node-red [image]

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Dashboard not found

Dashboard

Colin 31 July 2020 07:37 10

Good, now show us what you see when you run

node-red-stop
node-red-start

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Dashboard not found

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