Webpack Dev Server (webpack-dev-server) Hot Module Replacement (HMR) Not Working

Question

I have gone through many answers on StackOverflow & on GitHub issues as well but, I am still stuck in Hot Module Replacement in Webpack. I am using npm start to

Answer 1

I figured out the solution myself.

I have to run my server with sudo. Instead of npm start, it has to be sudo npm start.

Hope it helps!