React create app hot reload is not always working on linux

Question

I created a react application using create-react-app boilerplate, which seems to be very popular, hot reload some times updates when any of the files changes and some times

Answer 1

try deleting the node_modules folder and reinstall by using cmd npm install

worked for me ( ubuntu 18.04.3 LTS )

Answer 2

I was able to make this work using:

sudo npm start

Answer 3

run this command

sudo -i
echo 1048576 > /proc/sys/fs/inotify/max_user_watches
exit