Build Source Code:

Follow the steps in https://thingsboard.io/docs/user-guide/install/building-from-source/

If there is a failure, follow the steps:

In the Build steps:

In /thingsboard/ui/node_modules/node-sass/scripts/:

    node ./install.js

In /thingsboard folder:

     mvn clean install -DskipTests

 

Build Source Code from Github:

Need to follow the following steps:

sudo apt-get install libpng-dev

and then run

npm install -g pngquant-bin

 

Rule Engine:

https://thingsboard.io/docs/user-guide/rule-engine-2-0/tutorials/rpc-request-tutorial/#model-definition

有个错误，Rule node里的relation query应该不设置。