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npx create-react-app project-name
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npx create-react-app my-app
cd my-app
npm start
//Note:npx on the first line is not a typo —
//it’s a package runner tool that comes with npm 5.2+.
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<script src="https://unpkg.com/react@18/umd/react.production.min.js" crossorigin></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js" crossorigin></script>
<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
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ip addr show ens3 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//'
or
curl http://icanhazip.com