Error : getaddrinfo ENOTFOUND registry.npmjs.org registry.npmjs.org:443

Things to try: make sure you have internet connection: ping 8.8.8.8 make sure you have DNS resolver working: ping www.google.com make sure you can access registry.npmjs.org: ping registry.npmjs.org make sure you can connect via https. Try in your browser: https://registry.npmjs.org/ Make sure you are trying to connect to: registry.npmjs.org and not to: “registry.npmjs.org registry.npmjs.org:443” or …

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npm install: Failed at the [email protected] postinstall script

If you run into this issue, read this page: https://www.bramvandenbulcke.be/en/kb/failed-node-sass3131-postinstall-script The solution in my case: 1) Delete the package-lock.json file 2) npm install gulp-sass –save-dev 3) npm install node-sass@latest Version specific notes: [email protected] runs only on versions of Node.js up to v7 as stated in the release notes: